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Indian Journal of Weed Science


Print ISSN: 0253-8050
Online ISSN: 0974-8164

NAAS rating: 5.17

Chief Editor

J.S. Mishra
Dr. J.S. Mishra
Principal Scientist, Division of Crop Research,
ICAR Research Complex for Eastern Region,
Bihar Veterinary College, Patna - 800014 (Bihar)
Mobile - +91 9494240904
Email- editorisws@gmail, jsmishra31@gmail.com

Associate editors

Bhagirath S. Chauhan

Dr. Bhagirath Singh Chauhan
Queensland Alliance for Agricultureand Food Innovation
Level 2, Queensland Bioscience Precinct
The University of Queensland
St Lucia QLD 4069, Australia
Email: b.chauhan@uq.edu.au
A.N. Rao
Dr. A.N. Rao
Hydarabad, INDIA
Mobile Number: +91 9440372165
Email: adusumilli.narayanarao@gmail.com

CALL FOR RESEARCH PAPER

Indian Journal of Weed Science is inviting your articles, review article, Research article and Research note on all topics of weed science. IJWS welcomes quality work that focuses on research, development and review. We are looking forward for strict compliance to the modern age standards in all these fields. Authors across the globe are welcome to submit their research papers in the prestigious journal fulfilling the requisite criterion.

Indian Journal of Weed Science (IJWS) is inviting papers for the VOL-53, ISSUE-1 March-(2021)


Article submission guideline

Enter your login details for IJWS below. If you do not already have an account you will need to.. Register here
Author login
  • Author Instruction
  • Style of Invited paper
  • Style of Research Article
  • Style of Research note

Paper Publication Process –

  • Manuscripts are received online in the editorial office with the certificate that MS has not been sent for consideration in any other journals for consideration.
  • Manuscripts are checked by office for its style and pattern and for plagiarism. If plagiarism is more than 20%, it is not considered and sent back to author for revision and re-submission.
  • If MS is found fit at Editorial office in context to plagiarism and style and pattern, it is sent to Chief Editor for further processing.
  • If chief Editor find the MS suitable for consideration, he shall suggest two name of referees as reviewers either from editorial board or from other institutions of concern discipline for reviewing the MS.
  • Editorial Office shall send the MS for double blind review to the reviewers suggested by Chief Editor.
  • Comments of double -blind reviewers will be sent to corresponding author without disclosing the identity of the reviewers to address the comments and re-submission of MS.
  • In case, one reviewer rejects while other accept the MS, it is sent to third reviewer suggested by Chief Editor.
  • Revised MS is again sent to reviewers to see whether their comments are addressed suitably.
  • On agreeing by the reviewers, the MS is again sent to Chief Editors with comments of reviewers and reply of author to take the final decision.
  • The final decision of Chief Editor is communicated to authors.

CALL FOR RESEARCH PAPER

Indian Journal of Weed Science is inviting your articles, review article, Research article and Research note on all topics of weed science. IJWS welcomes quality work that focuses on research, development and review. We are looking forward for strict compliance to the modern age standards in all these fields. Authors across the globe are welcome to submit their research papers in the prestigious journal fulfilling the requisite criterion.

Indian Journal of Weed Science (IJWS) is inviting papers for the VOL-51, ISSUE-4 December-(2019)


Article submission guideline

Enter your login details for IJWS below. If you do not already have an account you will need to.. Register here
Author login
  • Author Instruction
  • Style of Invited paper
  • Style of Research Article
  • Style of Research note

Paper Publication Process –

  • Manuscripts are received online in the editorial office with the certificate that MS has not been sent for consideration in any other journals for consideration.
  • Manuscripts are checked by office for its style and pattern and for plagiarism. If plagiarism is more than 20%, it is not considered and sent back to author for revision and re-submission.
  • If MS is found fit at Editorial office in context to plagiarism and style and pattern, it is sent to Chief Editor for further processing.
  • If chief Editor find the MS suitable for consideration, he shall suggest two name of referees as reviewers either from editorial board or from other institutions of concern discipline for reviewing the MS.
  • Editorial Office shall send the MS for double blind review to the reviewers suggested by Chief Editor.
  • Comments of double -blind reviewers will be sent to corresponding author without disclosing the identity of the reviewers to address the comments and re-submission of MS.
  • In case, one reviewer rejects while other accept the MS, it is sent to third reviewer suggested by Chief Editor.
  • Revised MS is again sent to reviewers to see whether their comments are addressed suitably.
  • On agreeing by the reviewers, the MS is again sent to Chief Editors with comments of reviewers and reply of author to take the final decision.
  • The final decision of Chief Editor is communicated to authors.
Read More

Guidelines for Authors

Indian Journal of Weed Science is a quarterly journal publishing original research article, research notes, opinion articles and review articles (invited or with prior approval of the title reflecting substantial contributions of the author) covering all areas of weed science research. All contributions must be of a sufficient quality to extend our knowledge in weed science.

The papers submitted should not have been published or communicated elsewhere. Authors will be solely responsible for the factual accuracy of their contribution. Manuscript should not carry any material already published in the same or different forms.

  • Style of Invited paper
  • Style of Research Article
  • Style of Research note

Format

Full length article should be suitably divided into the following sub-sections; ABSTRACT, Key words, INTRODUCTION, MATERIALS AND METHODS, RESULTS AND DISCUSSION and REFERENCES. The heading, introduction need not be mentioned in the text.

Title

The title of article should be informative but concise and should not contain abbreviations. It should indicate the content of the article essential for key word indexing and information retrieval. It should be set in small and bold letters. A good title briefly identifies the subject, indicates the purpose of study and introduces key terms and concepts. Title should not be started with the waste words like 'a study of', 'effect of', 'influence of' , 'some observations on', 'a note of' etc. The title should indicate preferably English name or most popular common name of the crops or organisms studied, wherever relevant. Scientific name can be given in abstract and introduction. Authority for such a name should be given at first mention in the text. A short title should be given for running headlines and should cover the main theme of the article.

Author(s) name(s) and affiliations

The name(s) of the author(s) should be given in small letters with sentence case separated by 'comma' or by 'and'. Institute name where the research was carried out should be given in italics. If authors are of different institutes, these can be mentioned by allotting number like 1, 2 or 3 as superscript over the name of author. The affiliation of such author may be given below of the corresponding author email address. Sometimes authors retire and change frequently and wish to give their current address, this should be given as foot note. Email address of main author or corresponding author should be given at the bottom.

Abstract

The abstract should contain at least one sentence on each of the following: objective of investigation (hypothesis, purpose, collection, result and conclusions). Give complete scientific name for plants or other organisms and full name of any symbol or abbreviations used. There is a need to mention place, name and priod of study in abstract. Emphasis should be given to highlight the results and the conclusion of the study. It should not exceed a total length of 200-250 words. Abstract should not have the words like 'will be explained or will be discussed'.

Key words

(5 6) should be given at the end of the abstract and should be arranged alphabetically. Each key word should be started with capital letter and separated by comma ( , ) from other words.

Introduction

Introduction should be brief and to the point, cover the problem and should justify the work or the hypothesis on which it is based. In introduction, a detail review is not necessary. However, to orient readers, important references about previous concepts and research should be given. It should briefly state the currently available information and should identify the research gap that is expected to be abridged through this investigation. Give preference to recent references from standard research publication unless it is of historical importance or a landmark in that field.

Materials and Methods

This part should begin with information relating to period/season/year and place of study, climate or weather conditions, soil type etc. Treatment details along with techniques and experimental design, replications, plot size etc. should be clearly indicated. Use of symbols for treatments may be avoided and an abbreviation should be fully explained at its first mention. Crop variety, methodology for application and common cultivation practices should be mentioned. Known methods may be just indicated giving reference but new techniques developed and followed should be described in detail. Methods can be divided into suitable sub-headings, typed in bold at first level and in italics at second level, if necessary.

Results and Discussion

Results may be reported and discussed together to avoid duplication. Do not mention and recite the data in the text as such given in the table. Instead interpret it suitably by indicating in terms of per cent, absolute change or any other derivations. Relate results to the objectives with suitable interpretation of the references given in the introduction. If results differ from the previous study, suitable interpretation and justification should be given. Repeated use of statements like 'our results are in agreement’ or ‘similar results were reported’ 'should be avoided. At the end of results and discussion, conclusion of the study should be given in 2-3 sentences along with suggestion for further study, if any. All statistical comparisons among treatments may be made at P=0.05 level of probability.

Acknowledgement

The authors may place on record the help and cooperation or any financial help received from any source, person or organization for this study. This should be very brief.

References

Only relevant and recent references of standard work should be quoted. Preference should be given to quote references of journals over proceedings or reports. In general, not more than 15 references should be quoted in full paper and 5 in short communication. However, in review article, emphasis should be given to quote more references with each valid statement/findings in the text. There is no need to give references for standard procedures of soil and plant analysis, and for routine statistical analysis in practice, only the methodology may be indicated. As a thumb rule, all the references quoted in the text must appear at the end of the article and vice-verse. It has been decided to use full name of the journal after the year 2011 onwards. Therefore, references should include names of all authors, year, full title of the article quoted, full name of the journal in italics (no abbreviations), volume number (in Bold), issue number (in brackets) and pages. For books, monographs, theses etc. full title in italics, publisher or university name, volume no., if any, and relevant page range or total no. of pages should be given. The list of references should be arranged alphabetically on author's names and chronologically per author. Author name should be started with surname and initial letter with capital letter. There is no need to separate author's initials by full stop but it should be given in capital letters without gap. Each author name should be separated by comma (,) and last author name by ‘and’. A few examples of correct citation of references for Indian Journal of Weed Science are given below:

Singh Samunder, Punia SS, Yadav A and Hooda VS. 2011. Evaluation of carfentrazone-ethyl + metsulfuron-methyl against broadleaf weeds of wheat. Indian Journal of Weed Science 43(1&2): 12-22.

Neeser C and Varshney Jay G. 2001. Purple nutsedge; biology and principles for management without herbicides, Indian Journal of Pulses Research 14(1): 10-19.

Naseema A, Praveena R and Salim AM. 2004. Ecofriendly management of water hyacinth with a mycoherbicide and cashew nut shell liquid. Pakistan Journal of Weed Science Research 10(1&2): 93-100.

Arya DR, Kapoor RD and Dhirajpant. 2008. Herbicide tolerant crops: a boon to Indian agriculture, pp 23-31. In: Biennial Conference on Weed Management in Modern Agriculture: Emerging Challenges and Opportunities. (Eds. Sharma RS, Sushilkumar, Mishra JS, Barman KK and Sondhia Shobha), 27-28 February 2008, Patna. Indian Society of Weed Science, Jabalpur.

Anonymous. 2006. Long-term herbicide trial in transplanted lowland rice-rice cropping system, pp 62-68. In: Annual Progress Report, AICRP on Weed Control, Tamil Nadu Agricultural University, Coimbatore.

DWSR. 2010. Annual Report, 2010-11, pp 35-37. Directorate of Weed Science Research, Jabalpur.

Gopal B and Sharma KP. 1981. Water hyacinth (Eichhornia crassipes) the most troublesome weeds of the world. Hindasia Publisher, New Delhi, 129 p.

Sushilkumar, Sondhia S and Vishwakarma K. 2003. Role of insects in suppression of problematic alligator weed (Altemanthera philoxeroides) and testing of herbicides for its integrated management. Final Report of ICAR Adhoc Project, 39 p.

For Web references: the full URL should be given and the date when the reference was last accessed. e.g. http://www.faostat.fao.org (accessed 21 May 2019)

Length

Full length manuscript should not exceed 4500 words including space required for figures, tables and list of references. Research note can be up to 2500 words, with not more than 2 figures or tables. One season/year data should invariably be presented as research notes only.

Units, abbreviations and nomenclature

For physical units, unit names and symbols, the SI system should be employed. Biological names should be given according to the latest international nomenclature. Upon its first use in the title, abstract and text, the common name of a weed should be followed by the scientific name (genus, species and authority) in parentheses. If no common name exists in English, the scientific name should be used only. At the first mention of an herbicide or other chemical substance, give its generic name only. Trade names should not be used. Biological and zoological names, gene designations and gene symbols should be italicized. Yield data should be reported in kg/ha or t/ha. All such letters such as viz., et al., in situ, ex situ, Rabi, Kharif, i.e., etc. should be italicized.

Tables and figures

Tables and figures should be concise and limited to the necessary minimum. We encourage the authors to set tables and figures at the appropriate places in the article but if it is not possible, the same may be given separately. The title should fully describe the contents of the table and explain any symbol or abbreviations used in it. The standard abbreviations of the units of different parameters should be indicated in parentheses. Vertical lines should not be given in the tables and horizontal lines should be used to separate parameters and end of the table.

Figures may be preferred in place of table. In no case the same data should be presented by both tables and figures. While presenting data through line graphs, vertical bars, cylinders, pie charts etc, the same should be preferred with black lines or bars having different clear symbols and shades. The graphs chosen with colours reproduce poorly and should not be given unless it became necessary.

Some useful tips

Avoid numerals and abbreviations at the beginning of a sentence. Don't use superscript for per hectare, ton or meter (kg ha-1 or t ha-1) instead use kg/ha or g/m2, t/ha, mg/g, ml/l etc. Prefer to mention yield data in t/ha only. If it becomes necessary, give yield in kg/ha but not in quintal. Don't use lakh, crores or arabs in text, instead give such figures in million. Only standard abbreviations should be used and invariably be explained at first mention. Avoid use of self-made abbreviations like iso., buta., rizo., etc. Don't use first letter capital for names of plant protection chemicals but it should be used for trade names. Use of treatment symbols like T1 T2 T3 etc. should be avoided. All weights and measurements must be in SI or metric units. Use % after double digit figures, not per cent, for example 10% not 10 per cent. In a series of range of measurement, mention the units only at the end, e.g. 3,4,5 kg/ha instead of 3 kg/ha, 4 kg/ha and 5 kg/ha. Nutrient doses as well as concentration in soil and plant should be given in elemental form only, i.e. P and K should not be given as P2O5 K2O. A variety may be mentioned within single quotes in italic such as 'Pusa Basmai', 'Kufri Sinduri' etc. Statistical data should be given in LSD (P=0.05) instead CD (P=0.05).

Authors are requested to see the recent issue of the journal to prepare the manuscript as per the journal's format.

Manuscript submission

Manuscripts must conform to the journal style (see the latest issue). Correct language is the responsibility of the author. After having received a contribution, there will be a review process, before the Chief Editor makes the definitive decision upon the acceptance for publication. Referee's comments along with editors comments will be communicated to authors as scanned copy/soft copy through email. After revision, author should send back the copy of revised manuscripts to the Chief Editor, ISWS by e-mail only.

Editorial Board reserves the right to suitably modify, accept or reject the MS in view on the reviewer's advice.

We encourage submission of paper only by electronically via E-mail as one complete word document file. When preparing your file, please use only Times New Roman font for text (title 16, all heads 14 and text of 12 point, double spacing with 1.5" margin all the sides) and Symbol font for Greek letters to avoid inadvertent character substitutions.

All manuscripts should be submitted Online (http://www.isws.org.in/login_IJWS.aspx). For authors unable to submit their manuscript online

To see sample copy to prepare the manuscript, please Log on: http://www.isws.org.in/IJWSn/Journal.aspx

Peer Review Policy

All published articles in Indian Journal of Weed Science (IJWS) are subjected to rigorous peer review processes based on initial editor screening and anonymized refereeing by two referees. The ultimate purpose of peer review is to sustain the originality and quality of research work and filtration of poor quality and plagiarized articles. Peer review assures research quality.

Paper Publication Process –

  • Manuscripts are received online in the editorial office with the certificate that MS has not been sent for consideration in any other journals for consideration.
  • Manuscripts are checked by office for its style and pattern and for plagiarism. If plagiarism is more than 20%, it is not considered and sent back to author for revision and re-submission.
  • If MS is found fit at Editorial office in context to plagiarism and style and pattern, it is sent to Chief Editor for further processing.
  • If chief Editor find the MS suitable for consideration, he shall suggest two name of referees as reviewers either from editorial board or from other institutions of concern discipline for reviewing the MS.
  • Editorial Office shall send the MS for double blind review to the reviewers suggested by Chief Editor.
  • Comments of double -blind reviewers will be sent to corresponding author without disclosing the identity of the reviewers to address the comments and re-submission of MS.
  • In case, one reviewer rejects while other accept the MS, it is sent to third reviewer suggested by Chief Editor.
  • Revised MS is again sent to reviewers to see whether their comments are addressed suitably.
  • On agreeing by the reviewers, the MS is again sent to Chief Editors with comments of reviewers and reply of author to take the final decision.
  • The final decision of Chief Editor is communicated to authors.

Peer Review Policy

The practice of peer review is to ensure that only good science is published. It is an objective process at the heart of good scholarly publishing and is carried out by all reputable scientific journals. Our reviewers therefore play a vital role in maintaining the high standards of the (Indian Journal of Weed Science) Journal of Management and Research and all manuscripts are peer reviewed following the procedure outlined below.

Initial manuscript evaluation

The Editors first evaluate all manuscripts. In some circumstances it is entirely feasible for an exceptional manuscript to be accepted at this stage. Those rejected at this stage are insufficiently original, have serious scientific flaws, have poor grammar or English language, or are outside the aims and scope of the journal. Those that meet the minimum criteria are passed on to experts for review.

Authors of manuscripts rejected at this stage will be informed within 2 weeks of receipt.

Type of Peer Review

The (Indian Journal of Weed Science) employs double blind review, where the reviewer remains anonymous to the authors throughout the process.

How the reviewer is selected

Reviewers are matched to the paper according to their expertise. Our reviewer database contains reviewer contact details together with their subject areas of interest, and this is constantly being updated.

Reviewer reports

Reviewers are asked to evaluate whether the manuscript:

  • Is original
  • Is methodologically sound
  • Follows appropriate ethical guidelines
  • Has results which are clearly presented and support the conclusions
  • Correctly references previous relevant work

Reviewers are not expected to correct or copyedit manuscripts. Language correction is not part of the peer review process. Reviewers are requested to refrain from giving their personal opinion in the "Reviewer blind comments to Author" section of their review on whether or not the paper should be published. Personal opinions can be expressed in the "Reviewer confidential comments to Editor" section.

How long does the peer review process take?

Typically the manuscript will be reviewed within 2-8 weeks. Should the reviewers' reports contradict one another or a report is unnecessarily delayed a further expert opinion will be sought. Revised manuscripts are usually returned to the Editors within 3 weeks and the Editors may request further advice from the reviewers at this time. The Editors may request more than one revision of a manuscript.

Final report

A final decision to accept or reject the manuscript will be sent to the author along with any recommendations made by the reviewers, and may include verbatim comments by the reviewers.
Chief Editor's Decision is final
Reviewers advise the Editors, who are responsible for the final decision to accept or reject the article.

Special Issues / Conference Proceedings

Special issues and/or conference proceedings may have different peer review procedures involving, for example, Guest Editors, conference organizers or scientific committees. Authors contributing to these projects may receive full details of the peer review process on request from the editorial office.

Becoming a Reviewer for the (Indian Journal of Weed Science)

If you are not currently a reviewer for the (Indian Journal of Weed Science) but would like to be considered as a reviewer for this Journal, please contact the editorial office by e-mail at (editorisws@gmail.com), and provide your contact details. If your request is approved and you are added to the online reviewer database you will receive a confirmatory email, asking you to add details on your field of expertise, in the format of subject classifications.

Editorial Board

Editorial office:

Office Manager, Indian Society of Weed Science, ICAR-Directorate of Weed Research, Maharajpur, Jabalpur, India 482 004

Publisher Address:

Secretary, Indian Society of Weed Science, ICAR-Directorate of Weed Research, Maharajpur, Jabalpur, India 482 004

Principal Scientist
Division of Crop Research
ICAR Research Complex for Eastern Region
Bihar Veterinary College, Patna - 800014 (Bihar)

Chief Editor J.S. Mishra 9494240904 jsmishra31@gmail.com

The University of Queensland
St Lucia QLD 4069, Australia

Associate Editor Bhagirath Singh Chauhan b.chauhan@uq.edu.au

Consultant,
ICRISAT,
International Crops Research Institute for Semi-Arid Tropics
Patancheru, Hyderabad

Associate Editor A.N. Rao 9440372165 adusumilli.narayanarao@gmail.com

Editors

Professor,
Department of Agronomy, CCSHAU,
Hisar-125 004 (Haryana)

Ashok Kumar Yadav 9416995523 aky444@gmail.com

Professor & Head,
Division of Agronomy
FoA, Main Campus,
Chatha, SKUAST-Jammu (J&K)

B.C. Sharma 9419152428 drbhagwati@gmail.com

Principal
Vanavarayar Institute of Agriculture
Affiliated to TNAU)
Manakkadavu, Pollachi-642103 (Tamil Nadu)

C. Chinnusamy 9443721575 chinnusamyc@gmail.com

Scientist,
ICAR - Directorate of Weed Research,
Jabalpur (Madhya Padesh)

Dibakar Ghosh 8989190213 dghoshagro@gmail.com

Principal Scientist
Department of Agronomy,
Assam Agricultural University
Jorhat - 785013 (Assam)

I.C. Barua 9435094326 iswar_barua@yahoo.co.in

Principal Scientist
PJTSAU, Hyderabad-30 (Telangana)

M. Madhavi 9491021999 molluru_m@yahoo.com

Assistant Agronomist
Directorate of Agriculture (Govt. of WB)
Kolkata 700001, West Bengal

Malay Kumar Bhowmick 9434239688 bhowmick_malay@rediffmail.com

Associate Professor
(Soil Science & Agrl. Chemistry)
Anbil Dharmalingam Agricultural College & Research Institute (TNAU),
Trichy (Tamil Nadu)

P. Janaki 9443936160 janakibalamurugan@rediffmail.com

Assistant Chemist (Residue),
Department of Agronomy,
Punjab Agricultural University
Ludhina-141 004 (Punjab)

Pervinder Kaur 9646105418 pervi_7@yahoo.co.in

Sr. Agronomist, Directorate of Extension Education
Punjab Agricultural University
Ludhiana – 141004 (Punjab)

Simerjeet Kaur 9814081108 simer@pau.edu

College of Horticulture,
Vellanikkara. Thrissur – 680 656, (Kerala)

T. Girija 9447004940 girijavijai@gmail.com

Principal Scientist,
Directorate of Maize Research,
Pusa Campus, New Delhi-110012

C.M. Parihar 9013172214 pariharcm@gmail.com

Indexing Indexing & Abstracting Services


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Volume- 49 | Issue-3 (Jul-Sep) | Year 2017

Assessment of post-emergence weed management in direct-seeded rice
V. Pratap Singh, S.P. Singh, Neema Bisht, A. Kumar, Kavita Satyawali and Arunima Paliwal
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00056.9 | Volume: 49 Page No:211-215 |
Address & Email | Article preview | View PFD | Download

Abstract:

The present study was carried out at G.B. Pant University of Agriculture and Technology, Pantnagar during rainy seasons 2014 and 2015 to determine the efficacy of post-emergence application of cyhalofop-butyl in managing weeds in direct-seeded rice. Eight treatments, viz. cyhalofop-butyl 10% EC at 65, 75, 80 and 90 g/ha, cyhalofop-butyl 10% EC at 75 and 80 g/ha, hand weeding twice at 20 and 40 DAS and untreated control were laid out in a randomized block design with three replications. Application of cyhalofop-butyl controlled grassy weeds better than the non-grassy weeds and recorded maximum weed control efficiency, higher yield attributes and yield. Application of cyhalofop-butyl in rice did not show any phytotoxic effect on succeeding wheat.

Email

vpratapsingh@rediffmail.com

Address

Department of Agronomy, College of Agriculture, Govind Ballabh Pant University of Agriculture & Technology Pantnagar, U.S. Nagar, Uttarakhand 263 145
Efficacy of pre-emergence herbicides for control of complex weed flora in transplanted rice
S. Mohapatra, S.K. Tripathy, B.R. Nayak and A.K. Mohanty
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00057.0 | Volume: 49 Page No:216-218 |
Address & Email | Article preview | View PFD | Download

Abstract:

A field experiment was conducted at Chiplima, Sambalpur, Odisha during the rainy season of 2014 and 2015 to study the effect of sand-mix application of pre-emergence herbicides on weed population yield and economics of transplanted rice (Oryza sativa L.). Application of chlorimuron + metsulfuron 4 g/ha, bensulfuron 60 g/ha and pyrazosulfuron 16 g/ha alone was selectively effictive on broad-leaf weeds while pretilachlor 500 g/ha was effective on grasses. Pre-emergence application of pyrazosulfuron with pretilachlor (16 + 500 g/ha) was more effective in minimizing the density (10/m2), biomass (4.8 g/m2) of weeds and enhancing the weed control efficiency (89.3%), grain yield (6.14 t/ha), net returns (` 53.2 x 103/ha) and benefit: cost ratio (1.37) than pretilachlor alone.

Email

sanjukta.mohapatra34@gmail.com

Address

Regional Research and Technology Transfer Station, Orissa University of Agriculture and Technology, Chiplima, Sambalpur, Odisha 768 025
Weed management effect on growth and yield of wet direct-seeded rice in Cauvery command area of Karnataka
S.B. Yogananda, P. Thimmegowda and G.K. Shruthi
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00058.2 | Volume: 49 Page No:219-222 |
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Abstract:

Field experiment was conducted during rainy seasons of 2014 and 2015 to study the effect on weed management practices in wet direct-seeded rice (Oryza sativa L.) in Cauvery command area of Karnataka under irrigated condition with eight treatments replicated thrice. Pre-emergence application of bensulfuron-methyl + pretilachlor GR (Londax Power) at 660 g/ha fb bispyribac-sodium (Nominee Gold) at 25 g/ha at 20 days after sowing (DAS) significantly reduced weed growth and recorded the higher seed yield (4.80 t/ha), net monetary returns (` 25631/ha) and B:C ratio (1.62) and it was at par with other sequential treatments, viz. pre-emergence application of pendimethalin at 1.0 kg/ha (Stomp) fb post-emergence application of bispyribac-sodium, pre-emergence application of bensulfuron-methyl + pretilachlor, application of pendimethalin as pre-emergence fb 1 HW. Uncontrolled weed growth caused 55.2% reduction in seed yield of wet seeded rice.

Email

sbyogananda@gmail.com

Address

Zonal Agricultural Research Station, V.C. Farm, Mandya 571 405
Control of canarygrass in wheat with pre-mixture of pinoxaden plus clodinafop-propargyl
Tarundeep Kaur, Simerjeet Kaur and Makhan S. Bhullar
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00059.4 | Volume: 49 Page No:223-225 |
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Abstract:

The field efficacy of pre-mixture of pinoxaden plus clodinafop for control of Phalaris minor Retz. in wheat was evaluated in winter 2011-12 and 2012-13 on Research Farm, Department of Agronomy at Punjab Agricultural University, Ludhiana. The study comprised of pre-mixture of pinoxaden plus clodinafop 40, 50 and 60 g/ha, clodinafop 60 g/ha, pinoxaden 50 g/ha and unsprayed control. The results revealed that post-emergence application of pre-mixture of pinoxaden plus clodinafop at 50-60 g/ha recorded effective control of P. minor and recorded the highest effective tillers/m2, spike length and wheat grain yield and was significantly better than its application at 40 g/ha and clodinafop during both the years and pinoxaden alone in one year.

Email

tarundhaliwal@pau.edu

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab 141 004
Tillage and weed management effect on productivity of wheat under soybean-wheat-greengram cropping system in conservation agriculture
Priya Singh, M.L. Kewat, A.R. Sharma, Nisha Sapre
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00060.0 | Volume: 49 Page No:226-230 |
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Abstract:

The effect of tillage and weed management practices on density and biomass of Medicago denticulata, Chenopodium album and Phalaris minor as well as productivity of wheat in soybean-wheat-greengram cropping system was evaluated during 2013-14 and 2014-15 at ICAR-DWR, Jabalpur. The density and biomass of weeds were reduced to maximum when conventional tillage was done in wheat under CT-CT-fallow system followed by conventional tillage in wheat under CT-ZT-ZT system. While, weed density and biomass were minimum with zero tillage in wheat in the presence of residues of preceding soybean under ZT+R-ZT+R-ZT+R system followed by ZT-ZT+R-ZT+R system, which recorded higher grain and straw yields as well as gross and net monetary returns. Metsulfuron + clodinafop (4 + 60 g/ha) ready mixture applied at 25 DAS recorded the lowest weed density as well as biomass and higher crop yield and monetary returns. The interaction indicated that metsulfuron + clodinafop (4 + 60 g/ha) applied in wheat with zero tillage in presence of residues of preceding soybean under ZT+R-ZT+R-ZT+R and ZT-ZT+R-ZT+R system has resulted in lower weed density and biomass with higher weed control efficiency, grain and straw yields, higher gross and net monetary returns including B:C ratio than other combinations.

Email

chauhanpriyasingh1804@gmail.com

Address

Department of Agronomy, College of Agriculture, JNKVV, Jabalpur Madhya Pradesh
Effect of different pre- and post-emergence herbicides on weed control, productivity and economics of maize
U. Triveni, Y. Sandhya Rani, T.S.S.K. Patro and M. Bharathalakshmi
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00061.2 | Volume: 49 Page No:231-235 |
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Abstract:

A field experiment was conducted at Agricultural Research Station, Vizianagaram, Andhra Pradesh during rainy seasons of 2015 and 2016 to find out the best chemical weed management practices in maize (Zea mays L.). Twelve treatments were tested in randomized block design with three replications. Treatments consisted of pre-emergence (PE) and post-emergence (PoE) herbicides applications along with weed free check and weedy check. Experimental results indicated that PoE of tank mix formulation of tembotrione 50 g/ha + atrazine 0.5 kg/ha at 15-20 days after seeding (DAS) has recorded highest weed control efficiency (93.6 and 96.9%, respectively during 2015 and 2016) followed by hand weeding twice at 20 and 40 DAS (90.1 and 95.6%, respectively). Grain yield was significantly higher (9.79 t/ha and 8.70 t/ha, respectively) with hand weeding twice at 20 and 40 DAS, and it was closely followed by PoE of tembotrione 50 g/ha + atrazine 0.5 kg/ha (9.65 t/ha and 8.61 t/ha respectively). Net monetary returns (` 104357 and ` 97985, respectively) and B:C ratio (2.94 and 3.14, respectively) were also significantly high with PoE application of tembotrione 50 g/ha + atrazine 0.5 kg/ha.

Email

triveniungata@gmail.com

Address

Acharya N.G.Ranga Agricultural University, Agricultural Research Station, Vizianagaram, Andhra Pradesh 535 001
Management of diverse weed flora in maize under Kangra valley conditions of Himachal Pradesh
Anil Kumar, S.S. Rana and Suresh Kumar
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00062.4 | Volume: 49 Page No:236-240 |
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Abstract:

Twelve weed control treatments, viz. atrazine 1.0 kg/ha (2 days after sowing, DAS), metribuzin 0.25 kg/ha (2 DAS), oxyflourfen 0.15 kg/ha (2 DAS) alone and in integration with hoeing at 30 DAS, atrazine 1.0 kg/ha (2 DAS) followed by (fb) atrazine 0.5 kg/ha (30 DAS), atrazine 1.0 kg/ha + pendimethalin 0.5 kg/ha (2 DAS), intercropping of cowpea and mung bean, hand weeding thrice (15, 30 and 45 DAS) and weedy check were tested in maize during 2012 and 2013 under Kangra valley conditions of Himachal Pradesh. Herbicides alone, in combination with hoeing and sequential application significantly reduced the count and dry weight of weeds and increased number of cobs, 100-grain weight and grain yield of maize over the intercropping treatments. Maize grain yield was negatively associated with weed count (r= -0.819**) and weed dry weight (r = -0.791**) and positively correlated with cobs number (r = 0.950**), cob length (r = 0.879**) and 100-seed weight (r = 0.836**). With unit increase in weed count, the grain yield of maize decreased by 75.5 kg/ha. Un-checked weed growth reduced the grain yield of maize by 60.7%. Based on the results, metribuzin 0.250 kg/ha, atrazine 1.00 kg/ha, atrazine 1.0 kg/ha fb atrazine 0.5 kg/ha (30 DAS), oxyflourfen 0.15 kg/ha, atrazine 1.0 kg/ha + pendimethalin 0.5 kg/ha and metribuzin 0.25 kg/ha fb hoeing (30 DAS) were recommended for effective management of diverse weed flora in maize under Kangra valley conditions of Himachal Pradesh.

Email

ranass_dee@rediffmail.com

Address

Mountain Agricultural Research and Extension Centre, CSK Himachal Pradesh Krishi Vishvavidyalaya, Salooni, Chamba, Himachal Pradesh 176 320
Glyphosate tolerant and insect resistant transgenic Bt maize efficacy against shoot borer, cob borer and non-target insect pests
Sushilkumar, M.S. Raghuvanshi, Anil Dixit and V.P. Singh
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00063.6 | Volume: 49 Page No:241-247 |
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Abstract:

Introducing Bt insect resistance genes into hybrid maize seems to be the most feasible and effective technique accessible to control the pest. Transgenic stack hybrid maize (MON 89034X NK 603) was developed by Monsanto for checking yield losses of maize crop to increase productivity. Transgenic stack hybrid maize was claimed to have both insect protection and herbicide tolerant traits to provide protection to the crop from target pests and also provide effective weed management. MON 89034X NK 603 is 2nd generation glyphosate tolerant with Bt maize technology effective against lepidopteron insect pests with “dual mode of action”. A field experiment was carried out at ICAR-Directorate of Weed Research, Jabalpur for two years during Kharif (rainy season) 2009 and 2010 to evaluate the efficacy of transgenic stack hybrid maize (MON 89034X NK 603) against shoot borer (Chilo partellus), cob borer (Helicoverpa armigera), non-target insect pests and beneficial insects. Treatments consisted of two transgenic stacked hybrids named ‘Hishell’ and ‘‘900M Gold’’ with two conventional hybrids namely ‘Proagro-4640’ and ‘‘HQPM-1’’. Artificial infestation of Chilo partelus revealed complete absence of stem borer infestation in all the transgenic entries of ‘Hishell’ and ‘900M Gold’ with less than one leaf injury score (LIS), while in other conventional entries, stem borer infestation was observed and LIS was more than one. Hlicovepa armigera infestation was also not observed on transgenic hybrids whereas in the remaining non-transgenic maize treatment, significant attack of Helicoverpa armigera was observed in the range of 37 to 56%. These transgenic entries were not found resistant to aphids and grass hoppers. Beneficial insects were observed to visit transgenic Bt maize and conventional maize entries with no significant difference.

Email

sknrcws@gmail.com

Address

ICAR-Directorate of Weed Research, Jabalpur, Madhya Pradesh 482 004
Herbicides efficacy for managing weeds in greengram and their residual effect on succeeding mustard
S.P. Singh, R.S. Yadav, R.C. Bairwa and Amit Kumawat
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00064.8 | Volume: 49 Page No:248-251 |
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Abstract:

A field experiment was conducted at Research Farm of S. K. Rajasthan Agricultural University, Bikaner during Kharif 2014 and 2015 to study the efficacy of pre- and post-emergence herbicides in managing weeds in greengram (Vigna radiata) and herbicides carryover effect on Indian mustard (Brassica juncea) grown during succeeding Rabi seasons of 2014-15 and 2015-16. Ten weed control treatments, viz. pendimethalin 1000 g/ha pre-emergence (PE), imazethapyr 50 and 70 g/ha (early post-emergence; PoE), imazethapyr + pendimethalin (ready mix) 800, 900, and 1000 g/ha pre-emergence (PE), imazethapyr + imazamox 60 and 70 g/ha, two hand weedings at 20 and 40 days after seeding (DAS) and weedy check were evaluated in greengram grown in three replications with randomized block design (RBD). Two hand weedings at 20 and 40 DAS resulted in lowest weed density of broad-leaf and grassy weed, total weed biomass at 60 days after sowing, significantly highest number of branches per plant, pods per plant, seeds per pod and seed and straw yield compared to other treatments. Imazethapyr + pendimethalin 800 g/ha PE was at par with two hand weedings in managing weeds and increasing greengram yield. Application of herbicides did not cause any adverse effect on succeeding mustard in both years. 

Email

spbhakar2010@gmail.com

Address

Agricultural Research Station, Swami Keshwanand Rajasthan Agricultural University, Bikaner, Rajasthan 334 006
Efficacy of pre- and post-emergence herbicides for weed control in greengram
Guriqbal Singh, Harpreet Kaur Virk and Poonam Sharma
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00065.X | Volume: 49 Page No:252-255 |
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Abstract:

A field experiment was conducted during rainy seasons in 2011 and 2012 to study the efficacy of pre- and post-emergence herbicides on weeds, growth, symbiotic traits and grain yield of greengram. Pre-emergence application of pre-mix pendimethalin + imazethapyr at 1.0 kg/ha showed lowest weed index and highest weed control efficiency, followed by pre-mix pendimethalin + imazethapyr at 0.75 kg/ha and two hand weedings done at 20 and 40 days after sowing. Post-emergence application of quizalofop-ethyl at 37.5 g/ha reduced the number and dry weight of nodules/plant compared to other herbicides. Weed free treatment provided the highest grain yield, gross returns and net returns. Among the herbicides, pre-emergence application of pre-mix pendimethalin + imazethapyr at 1.0 and 0.75 kg/ha recorded higher grain yield (1.41 and 1.31 t/ha, respectively) and provided higher net returns (` 52970 and ` 48390, respectively) and B:C ratio (2.57 and 2.44, respectively) than the other treatments of herbicides due to significant reduction in the dry weight of weeds and higher weed control efficiency and consequently improving the yield attributing parameters. 

Email

singhguriqbal@pau.edu

Address

Punjab Agricultural University, Ludhiana, Punjab 141 004
Weed management with pre- and post-emergence herbicides in blackgram
Varsha Gupta, Deep Singh Sasode, B.S. Kansana, Asha Arora, J.P. Dixit and Ekta Joshi
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00066.1 | Volume: 49 Page No:256-259 |
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Abstract:

A field experiment was conducted during rainy seasons of 2014 and 2015 at College of Agriculture, Gwalior (M.P.) to study the effect of herbicides in blackgram. The experiment was laid out with 12 treatments, viz. imazethapyr with four application rates 70 and 80 g/ha as pre-emergence (PE) and 70 and 80 g/ha as post-emergence (PoE); imazethapyr + imazamox (RM) 70 and 80 g/ha as PE, and 70 and 80 g/ha as PoE, pendimethalin 1000 g/ha as PE, pendimethalin + imazethapyr (RM) 1000 g/ha PE, two hand weedings at 20 and 40 DAS (weed free) and weedy check in a randomized block design. Two hand weeding at 20 and 40 DAS were found to be very efficient in controlling the dominant grassy weeds and gave maximum seed yield (924 kg/ha) fb ready mix herbicides i.e. imazethapyr + imazamox 80 g/ha as PoE (905 kg/ha) and pendimethalin + imazethapyr 1000 g/ha as PE (879 kg/ha). Net returns and B:C ratio were the highest for the application of pendimethalin + imazethapyr (1000 g/ha PE) (3.32) fb application of imazethapyr + imazamox (80 g/ha PoE) (3.11). 

Email

drvarshagupta11@gmail.com

Address

Rajmata Vijayaraje Scindia Krishi Viswa Vidhyalaya, Gwalior, Madhya Pradesh 474 002
Nutrient uptake by clusterbean as influenced by weed management and sulphur nutrition
R.K. Yadav, S.L. Mundra, L.N. Dashora and Bhagwat Singh Chouhan
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00067.3 | Volume: 49 Page No:260-262 |
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Abstract:

A field experiment was carried out during two consecutive seasons of Kharif 2013 and 2014 to evaluate effect of weed management and sulphur nutrition on the nutrient uptake by weeds and crop in clusterbean [Cyamopsis tetragonoloba (L.) Taub.]. Minimum weed dry matter of narrow-leaved (239 kg/ha), broad-leaved (285 kg/ha) and total dry weight (524 kg/ha) was observed under hand weeding at 20 and 40 days after sowing (DAS),which was closely followed by the sequential application of pre-emergence application of pendimethalin 0.75 kg/ha followed by (fb) imazethapyr 0.075 kg/ha as post-emergence. The highest seed (1.22 t/ha), haulm (2.44 t/ha) and biological yields (3.66 t/ha) was registered in hand weeded twice, which was statistically at par to pendimethalin fb imazethapyr. Hand weeding twice and pendimethalin fb imazethapyr, with non-significant difference between these two, saved N and P uptake by 56, 47 and 55, 46%, respectively, compared to weedy check in combined uptake of nutrient both by weeds and crop.

Email

yaduvanshi02ranveer@gmail.com

Address

Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan 313 001
Weed management influence on weed dynamics and yield of summer lady’s finger
T.U. Patel, M.J. Zinzala, D.D. Patel, H.H. Patel and A.P. Italiya
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00068.5 | Volume: 49 Page No:263-265 |
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Abstract:

A field experiment was conducted during the summer seasons of 2013 and 2014 in Vertisol soil to evaluate the fruit yield and weed dynamics influenced by weed management practices at the College Farm, N.M. College of Agriculture, Navsari Agricultural University, Navsari. Results showed that three hand weeding (HW) at 20, 40 and 60 days after sowing (DAS) recorded significantly higher weed control efficiency with minimum weed population. All growth and yield attributes were significantly higher under three HW at 20, 40 and 60 DAS. Consequently, higher fruit yield (16.78 t/ha) was also registered  with three HW at 20, 40 and 60 DAS and remained at par with two HW at 20 and 40 DAS and pendimethalin 1.0 kg/ha as pre-emergence + quizalofop-ethyl 0.04 kg/ha at 30 DAS. For achieving higher and profitable fruit yield, two HW at 20 and 40 DAS found appropriate. However, under a scarce labour situation, application of pendimethalin 1.0 kg/ha as pre-emergence + quizalofop-ethyl 0.04 kg/ha at 30 DAS was also found remunerative.

Email

tushagri.ank@nau.in

Address

N.M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat 396 450
Integrated weed management in garlic
Raj Kumar, R.S. Singh, Manoj Kumar and Deepak Pandey
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00069.7 | Volume: 49 Page No:266-268 |
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Abstract:

A field experiment was conducted during, winter seasons 2014-15 and 2015-16 to evaluate the weed management practices in garlic. The experiment was conducted in a split plot design having straw mulch treatments in main plot (0, 5 t/ha and 10 t/ha) and weed control treatment, viz. pendimethalin 1.0 kg/ha (pre-emergence), oxyfluorfen 0.223 kg/ha (pre-emergence) manual weeding (2) and weedy check. Application of mulch at 10 t/ha declined the weed population and recorded significantly lower weed density and higher weed control efficiency (71.65 and 75.17%), and higher growth and yield (2.08 and 2.72 t/ha) of garlic as compared to without mulch treatment. Among the weed control measures, application of oxyfluorfen 0.223 kg/ha recorded significantly lower weed density (55.9 and 70.89 m2) and higher growth and yield (2.05 and 2.53 t/ha) of garlic as compared to weedy check, but it was at par with pendimethalin 1.0 kg/ha application. Maximum BCR (1.19 and 2.18) was recorded under the paddy straw mulch applied at 10 t/ha and oxyfluorfen 0.223 kg/ha (1.11 and 2.14) as pre-emergence application.

Email

rkpnduat@gmail.com

Address

N.D. University of Agriculture and Technology, Kumarganj, Faizabad, Uttar Pradesh 224 229
Sequential use of herbicides for weed control in Egyptian clover
B.T. Sinare, H.P. Pardeshi and M.G. Gavit
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00070.3 | Volume: 49 Page No:269-271 |
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Abstract:

To study the effect of sequential use of herbicides for weed control in Egyptian clover (berseem) crop, a field experiment was conducted under All India Coordinated Research Project on Forage Crops and Utilization, Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra, during Rabi (winter) seasons of 2012-2013, 2013-2014 and 2014-2015. The field experiment with 10 weed control treatments was laid out in a randomized block design with three replications. Among the weed control treatments, oxyfluorfen 0.1 kg/ha fb imazethapyr 0.1 kg/ha applied after first cut recorded the lowest weed count and weed dry weight with higher weed control efficiency. However, it was at par with the application of imazethapyr 0.1 kg/ha after first and second cut. The green forage yield, dry matter yield, seed yield, straw yield, crude protein yield, gross monetary returns and benefit-cost ratio were significantly superior in the treatment of imazethapyr 0.1 kg/ha applied after harvest of first and second cut.

Email

sinarebt69@gmail.com

Address

All India Coordinated Research Project on Forage Crops & Utilization, Mahatma Phule Krishi Vidyapeeth, Rahuri, Maharashtra 413 722
Weed management influence on crop-weed competition in sorghum under South Gujarat conditions
Swapnil P. Deshmukh and V.P. Usadadia
Full length articles | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00071.5 | Volume: 49 Page No:272-275 |
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Abstract:

A field experiment was conducted at Instructional Farm, Navsari Agricultural University, Navsari during 2013-14 and 2014-15 with a view to study the crop-weed competition as influenced by different weed management practices in Rabi (winter season) sorghum (Sorghum bicolor L.). Twelve weed management treatments were evaluated in a randomized block design with four replications. Pre-emergence (PE) application of atrazine 0.5 kg/ha + pendimethalin 0.25 kg/ha as tank mixture significantly reduced weed population and weed biomass, increased the weed control efficiency at early stage, next to weed free treatment. However, at the rest of the growth stages, two HW and inter culturing (IC) at 20 and 40 DAS, atrazine 0.5 kg/ha PE + HW and IC at 20 DAS, pendimethalin 0.5 kg/ha PE + HW and IC at 20 DAS effectively controlled the weeds, reduced the weed biomass and increased the weed control efficiency. Nutrient losses by weeds were highest under unweeded control and lowest with weed free condition followed by application of atrazine 0.5 kg/ha PE + HW and IC at 20 DAS.

Email

swapnil.deshmukh056@yahoo.in

Address

Agricultural Experimental Station, Navsari Agricultural University, Paria, Gujarat 396 145
Herbicides combinations for control of complex weed flora in transplanted rice in Lateritic belt of West Bengal
A. Hossain and G.C. Malik
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00072.7 | Volume: 49 Page No:276-278 |
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Abstract:

The field trial was laid out in RBD with 12 treatments and replicated thrice in agricultural farm of Visva-Bharati during Kharif, 2014. The herbicidal treatments were bispyribac and penxsulam alone; tank of bispyribac with ethoxysulfuron and (chlorimuron + metsulfuron); pretilachlor fb ethoxysulfuron and (chlorimuron + metsulfuron) pyrazosulfuron fb (chlorimuron + metsulfuron) ready mix of penoxsulam + cyhalofop, ready mix of triafamone + ethoxysulfuron and pendimethalin fb bispyribac. Two hand weeding and weedy check also included with an idea to find out the best herbicides / herbicide mixtures for weed control in transplanted rice. Early post-emergence application of penoxsulam + cyhalofop as ready-mix was found most effective in controlling total weed population recorded the highest number of effective tillers/m2, number of grains/panicle and grain yield of transplanted rice. 

Email

ahossaindwsrc@yahoo.in

Address

Palli Siksha Bhavana, Visva-Bharati, Sriniketan, West Bengal 731 235
Weed management approaches in transplanted rice in Mollisols of Uttarakhand
Vimal Raj Yadav, V. Pratap Singh and S.K. Guru
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00073.9 | Volume: 49 Page No:279-282 |
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Abstract:

The present study was carried out during Kharif season of 2012 at G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand. The dominant weed flora observed in the experimental plots were Echinochloa colona, E. crus-galli, Leptochloa chinensis, Ischaemum rugosum among grasses and Ammania baccifera, Alternanthra sessilis and Caesulia axillaris among broad-leaf weeds and Cyperus difformis among the sedges. Grasses were the most dominant weeds which occupied more than 60% of SDR followed by broad-leaved weeds (27.7%) and sedges (12.2%). Pre-emergence application of pretilachlor at 0.75 kg/ha with no irrigation up to one week fb PoE application of bispyribac-Na at 20 g/ha was the most promising treatment which recorded higher rice grain and straw yield as compared to other weed control treatments.

Email

vimalrajyadav31990@rediffmail.com

Address

Department of Agronomy, College of Agriculture, G.B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand 263 145
Tank mix application of cyhalofop-butyl with selected herbicides for weed control in wet-seeded rice
A. Atheena, P. Prameela and Meera V. Menon
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00074.0 | Volume: 49 Page No:283-286 |
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Abstract:

The experiment was conducted during September 2015 to January 2016 in a farmer’s field one meter below of mean sea level in Thrissur district of Kerala. Tank mix application of cyhalofop-butyl (80 g/ha) with pyrazosulfuron-ethyl (30 g/ha) at 18 DAS gave effective control of mixed weed flora in wet-seeded rice. It is not advisable to tank mix cyhalofop-butyl with Almix® as it will lead to complete loss of activity of cyhalofop-butyl. Tank mixing of pre emergence herbicides with cyhalofop-butyl was found to be less effective than their sequential application.

Email

prameelaagron66@yahoo.com

Address

College of Horticulture, Kerala Agricultural University, Thrissur, Kerala 680 656
Nutrient uptake by rice and weeds as influenced by different weed management practices in dry-seeded rice
K. Hemalatha, A.V. Ramana, K.V. Ramana Murthy and J. Jagannadam
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00075.2 | Volume: 49 Page No:287-289 |
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Abstract:

Among the herbicides, application of orthosulfamuron 100 g/ha was effective in suppressing sedges and broad-leaved weeds, metsulfuron-methyl + chlorimuron-ethyl 4 g/ha was effective in suppressing broad-leaved weeds and sequential application of pendimethalin 0.75 kg/ha at 3-5 DAS fb metsulfuron-methyl + chlorimuron-ethyl 4 g/ha at 20-25 DAS performed better in controlling weeds resulting in higher weed control efficiency and lower weed index when compared to alone application of herbicides either as pre-emergence and post-emergence. Pre-emergence application of pendimethalin 0.75 kg/ha at 3-5 DAS fb metsulfuron-methyl + chlorimuron-ethyl 4 g/ha as post-emergence at 20-25 DAS, was evidenced higher grain yield and higher uptake of nutrients in crops and lower uptake of nutrients i.e., N, P and K in weeds.

Email

kutikuppalahemalatha@gmail.com

Address

Department of Agronomy, Acharya N.G. Ranga Agricultural University, Agricultural College, Naira, Andhra Pradesh 532 185
Degradation dynamics of alachlor in maize ecosystem
Sanjit Kumar Saha and Sankhajit Roy
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00076.4 | Volume: 49 Page No:290-292 |
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Abstract:

A field experiment was conducted at Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal during 2011-12 to study the degradation dynamics of an acetanilide herbicide alachlor in maize ecosystem. Alachlor (50% EC) was applied to the cropped soil at 2500 and 5000 g/ha at 38 days after the sowing of seed. The initial deposits of alachlor in maize leaf ranged from 0.30 - 0.39 µg/g at recommended dose and 0.61-0.65 µg/g at double dose but in maize field soil, the corresponding values were 1.23-1.31 µg/g and 2.46 to 2.52 µg/g for recommended and double dose, respectively. The alachlor residues in maize leaf were below the limit of quantification LOQ of 0.01 µg/g on 15th day after application whereas, it still persisted up to 15th day in soil samples irrespective of dose. At harvest, residues of alachlor were not observed in maize grains and soil samples. The half-life values of alachlor in maize ranged from 3.17-3.62 days irrespective of dose and substrate.

Email

sanjitwbfs@gmail.com

Address

Pesticide Residue Laboratory, Department of Agricultural Chemicals, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia West Bengal 741 252
Sequential application of pre-and post-emergence herbicides to control mixed weed flora in maize
Shaik Nazreen and D. Subramanyam
Short communications | DOI: http://dx.doi.org/ 10.5958/0974-8164.2017.00077.6 | Volume: 49 Page No:293-294 |
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Abstract:

A field experiment was laid out in randomized block design with ten weed management practices to determine the bioefficacy of PoE herbicides, halosulfuron-methyl 67.5 g/ha and tembotrione 100 g/ha alone or tank mix and sequential application after PE application of alachlor 1000 g/ha, besides two hand weedings and unweeded control. The broad-spectrum weed control and the highest grain yield of rainy season maize was obtained with sequntial application of alachlor 1000 g/ha as PE fb PoE application of halosulfuron-methyl 67.5 g/ha + tembotrione 100 g/ha (tank mix). Post-emergence application of halosulfuron-methyl 67.5 g/ha effectively controlled purple nutsedge.

Email

subbuagro37@gmail.com

Address

Department of Agronomy, S.V. Agricultural College, Acharya NG Ranga Agricultural University, Tirupati, Andhra Pradesh 517 502
Bio-efficacy of flumioxazine for weed management in soybean and its residual effect on succeeding crops
R. Thirumalaikumar, R. Kalpana1, N.S. Venkataraman and R. Babu
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00078.8 | Volume: 49 Page No:295-297 |
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Abstract:

A Field experiment was conducted at Agricultural Research Station, Bhavanisagar of Tamil Nadu Agricultural University during Rabi 2013-14 to study the bio-efficacy evaluation of flumioxazine for weed control in soybean. Higher weed control efficiency was obtained with pre-emergence application of flumioxazine at 250 g/ha followed by its lower dose of 150 g/ha. Among the treatments, pre-emergence application of flumioxazine at 112.5 g/ha recorded increased yield and economic returns in soybean. Hence, the pre-emergence application of flumioxazine at 112.5 g/ha was found to reduce the weed density below the economic threshold level and increased the yield and net return in soybean without any phytotoxic effect on the crop and residual effect on the succeeding crop.

Email

thiruhid@gmail.com

Address

Department of Agronomy, AC&RI, TNAU, Madurai, Tamil Nadu 625 104
Bioefficacy of different herbicides in fenugreek
S.S. Punia and Suresh Tehlan
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00079.X | Volume: 49 Page No:298-299 |
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Abstract:

Pre-emergence or pre-plant incorporation of imazethapyr at 80 g/ha either alone or in combination with one hoeing at 45 DAS provided 80-95% control of C. album, C. murale, C. didymus and R. dentatus without any adverse effect on fenugreek. Post emergence application of this herbicide at 70 g/ha or its ready mixture with imazamox (Odessey) although provided 58-78% control of weeds but caused suppression in crop growth with yield penalty of 28-33% as compared to weed free check. Pre, PPI and post-emergence application treatments of imazethapyr and imazethapyr + imazamox (RM) caused suppression in cotton and okra crops. Crops blackgram, bottle gourd and bottle gourd were safe to grow after use of imazethapyr and its ready mix combination in fenugreek.

Email

puniasatbir@gmail.com

Address

Department of Agronomy, CCS Haryana Agricultural University, Hisar, Haryana 125 004
Effect of IWM on weed dynamics, dry matter accumulation, yield and economics of turmeric
S. Bharty, R.R. Upasani, S. Barla, B.K. Agarwal, R. Kumar
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00080.6 | Volume: 49 Page No:300-302 |
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Abstract:

A field experiment was conducted at Birsa Agricultural University, Ranchi during rainy season of 2014 to study the efficacy of weed control methods as a suitable integrated weed management for better production of turmeric. Dry matter accumulation by total plant parts was maximum under atrazine 0.75 kg/ha pre-emergence (PE) followed by (fb) straw mulch at 10 DAP fb hand weeding at 75 DAP at all the stages. Application of atrazine 0.75 kg/ha PE fb straw mulch at 10 DAP fb hand weeding at 75 DAP recorded higher rhizome yield consequently higher gross return (` 725917/ha). However, maximum net return (` 621216/ha) and B:C ratio (5.93) was recorded with application of atrazine 0.75 kg/ha PE fb straw mulch at 10 DAP fb hand weeding at 75 DAP. 

Email

shruti06bharty@gmail.com

Address

Birsa Agricultural University, Ranchi, Jharkhand 834 006
Weed management effect on vegetative growth and flowering parameters of chrysanthemum
Madhu Bala
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00081.8 | Volume: 49 Page No:303-305 |
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Abstract:

It was concluded that pre-plant application of pendimethalin 1.0 kg/ha fb hand weeding at 30 and 60 DAP was effective in controlling weeds and improving growth and flower productivity of chrysanthemum.

Email

madhu-flori@pau.edu

Address

Department of Floriculture and Landscaping, Punjab Agricultural University, Ludhiana, Punjab 141 004
Isolation, host specificity and biocontrol potential of Gibbago trianthemae against horse purslane weed
Gaddeyya Gandipilli
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00082.X | Volume: 49 Page No:306-308 |
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Abstract:

In vitro study, pathogenicity test of the isolate, Gibbago trianthemae which causes leaf spot and blight disease on horse purslane was confirmed. Study revealed that G. trianthemae is highly pathogenic to horse purslane as evidenced by the rapid rate of infection and colonization of the host. The test plants inoculated with 5x104 spores/ml concentration showed high susceptibility to G. trianthemae incheding of crops only. Foliar pathogen G. trianthemae might be useful as a mycoherbicide to control its host weed. 

Email

mycology.au@gmail.com

Address

Centre of Advanced Study, Department of Botany, Andhra University, Visakhapatnam, Andhra Pradesh 530 003
Biopesticidal properties and composting efficiency of Parthenium
Sayeed Nabi Attayee, Meena Thakur, S.K. Bhardwaj and Shalini Verma
Short communications | DOI: http://dx.doi.org/10.5958/0974-8164.2017.00083.1 | Volume: 49 Page No:309-311 |
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Abstract:

No egg hatching of P. brassicae was recorded at the highest concentration (5.0%) of petroleum ether and aqueous extracts of Parthenium. After 48 hrs of exposure of first instar of P. brassicae, 100% mortality was recorded at 2.5% and 5.0  concentra-tion.  Aqueous extract of Parthenium provided good control with 70.0% mortality of second instar of P. brassicae after 48 hrs of exposure.  The petroleum ether extract and aqueous extract of Parthenium provided 50% and 60% mortality of first instar of S. litura, whereas 10% aqueous extract of   P. hysterophorous recorded maximum % growth inhibition of Sclerotium rolfsii (59.5%).  The compost prepared with E. fetida inoculum had high N, P, K content and low organic carbon and C/N ratio.  Maximum (62.8%) recovery was recorded in Parthenium + cow dung + earthworm treatment.

Email

mnthakur15@yahoo.com

Address

Dr Y S Parmar University of Horticulture and Forestry, Nauni, Solan, Himachal Pradesh 173 230

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