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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

Paper TypeMaximum Length (including tables and figures)
Research Article6000 words
Research note4000 words
Review8000 words
Mini-Review5000 words

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- 46 | Issue-3 (Jul-Sep) | Year 2014

Spread, impact and management of Parthenium
Sushil Kumar
Review article | DOI: 2014-46-3-1 | Volume: 46 Page No:205-219 |
Address & Email | Article preview | View PFD | Download

Abstract:

.

Email

sknrcws@gmail.com

Address

Directorate of Weed Science Research, Jabalpur, Madhya Pradesh 482 004
Weed management by herbicide combinations in transplanted rice
A. Hossain and D.C. Mondal
Full length articles | DOI: 2014-46-3-2 | Volume: 46 Page No:220-223 |
Address & Email | Article preview | View PFD | Download

Abstract:

Field experiments were conducted in transplanted rice at Visva-Bharati, Sriniketan during Kharif seasons of 2012 and 2013. The predominant weed species were: Ludwigia parviflora, Cyanotis axillaris, Commelina diffusa and Spilanthes acmella. Pre-emergence application of pretilachlor + bensulfuron at 660 g/ha and post-emergence application of bispyribac-sodium + metsulfuron-methyl + chlorimuron-ethyl at 4 g/ha effectively controlled grassy weed population. Post-emergence application of bispyribac + metsulfuron-methyl + chlorimuron-ethyl was found to be most effective in controlling broad-leaved weeds and it was closely fb bispyribac + ethoxysulfuron applied as post-emergence. Application of bispyribac-sodium + metsulfuron-methyl + chlorimuron-ethyl as post-emergence and pyrazosulfuron-ethyl as pre-emergence were effective in controlling sedge population. Post-emergence application of bispyribac + ethoxysulfuron, pretilachlor fb metsulfuron-methyl + chlorimuron-ethyl, pyrazosulfuron fb manual weeding, pretilachlor + bensulfuron and weed-free check recorded more grain yield. The highest net returns and B:C ratio were recorded with bispyribac + metsulfuron-methyl + chlorimuron-ethyl and  pre-emergence application of pretilachlor fb metsulfuron-methyl + chlorimuron-ethyl. Herbicides applied in combination recorded more net returns and B:C ratio as compared to sole application of herbicides.

Email

ahossaindwsrc@yahoo.in

Address

Palli Siksha Bhavana, Visva-Bharati, Sriniketan, West Bengal 731 235
Weed dynamics and system productivity under rice-based cropping system
Adikant Pradhan*, A. Thakur and S.C. Mukherjee
Full length articles | DOI: 2014-46-3-3 | Volume: 46 Page No:224-228 |
Address & Email | Article preview | View PFD | Download

Abstract:

An experiment was carried out during 2008-09 and 2009-10 at Jagdalpur, Chhattisgarh to determine the influence of rice-based cropping system on the weed dynamics. The rice-fallow system had the higher density (1364 and 1435/m2) of Echinochloa colona, which was gradually reduced with increasing cropping intensity and the lowest density was under rice-garden pea system (20.0 - 20.9/m2). Increasing irrigation frequency increased the density of E. colona. In Rabi season, rice-wheat and rice-garden pea cropping systems were found highly infested with weeds as compared to rice-fallow, rice-chickpea and rice-summer maize systems. The highest rice equivalent yield was recorded under rice-chickpea (7.20-7.76 t/ha) cropping system.

Email

adi_197753@rediffmail.com

Address

S.G. College of Agriculture & Research Station, IGKVV, Jagdalpur, Chhattisgarh 494 001
Effect of herbicides on soil microorganisms in direct-seeded rice
Simerjeet Kaur, Surjit Singh and R.P. Phutela
Full length articles | DOI: 2014-46-3-4 | Volume: 46 Page No:229-233 |
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Abstract:

The use of herbicides in direct-seeded rice may affect the biological equilibrium of the soil and thus influence the nutrient status, health and productivity of the soil. To study the effect of herbicides on soil microbial population of direct-seeded rice, field experiment was conducted at Punjab Agricultural University, Ludhiana (Punjab) during Kharif 2009 and 2010. Sixteen weed control treatments, viz. pendimethalin 0.75, butachlor 1.50, thiobencarb 1.50, anilofos 0.375, pretilachlor 0.75, oxadiargyl 0.09 and pyrazosulfuron-ethyl 0.015 kg/ha applied as pre-emergence and each followed by bispyribac 0.025 kg/ha at 30 days after sowing; two hand weedings and unweeded control were tested. The results revealed that viable microbial population was influenced to varying degrees with different weed control treatments during both the years. The herbicides, viz. pendimethalin, butachlor, thiobencarb, anilofos, pretilachlor, oxadiargyl and pyrazosulfuron-ethyl as pre-emergence and bispyribac as post-emergence were safe for soil microbial populations at recommended rate.

Email

simer@pau.edu

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab 141 004
Increase of wheat yield in rice-wheat system by weed management
Radhey Shyam, Janardan Prasad and D.K. Mahto
Full length articles | DOI: 2014-46-3-5 | Volume: 46 Page No:234-236 |
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Abstract:

Sulfosulfuron at 33.3 g/ha recorded significantly lower weed intensity and biomass, higher weed control efficiency, which was at par with  hand weeding 30 DAS and superior to isoproturon and 2,4 D sodium salt. The maximum nutrient removal by wheat crop and response over weedy check towards grain yield of wheat (129.6%) were with weed free treatment followed by sulfosulfuron at 33.3 g/ha and minimum in   2,4-D of sodium salt at 0.80 kg/ha. The maximum net return and B: C ratio by wheat cultivation (` 31,475/ha and 1:1.80) was obtained with sulfosulfuron at 33.3 g/ha at par with weed free and weeding at 30 DAS than others treatments.

Email

talk2radhey@india.com

Address

Department of Agronomy, Bhola Paswan Shastri Agricultural College, Purnea Bihar Agricultural University, (Sabour) Bhagalpur, Bihar 813 210
Little seed canary grass resistance to clodinafop in Punjab: farmers’ perspective
M.S. Bhullar, S.S. Punia, S.S. Tomar, V.P. Singh and Jai Dev Sharma
Full length articles | DOI: 2014-46-3-6 | Volume: 46 Page No:237-240 |
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Abstract:

Little seed canary grass (Phalaris minor Retz.) is the dominant grass weed of wheat especially in rice-wheat cropping system in the North-Western Indo-Gangetic Plains of India. It developed resistance to isoproturon herbicide in early 1990’s. Alternate herbicides, viz. clodinafop, sulfosulfuron and fenoxaprop were recommended for its control and were widely adopted by the farmers. Complaints of poor efficacy of these alternate herbicides started appearing at farmers’ field, after decades of their use. Performance of these alternate herbicides was assessed, to study the occurrence of cross resistance in P. minor, through farmers’ field survey. The survey was conducted in 2011 at 73 farmers’ field in six districts viz. Patiala, Fatehgarh Sahib, Ludhiana, Moga, Jalandhar and Ropar in Punjab. The survey indicated that clodinafop and sulfosulfuron are widely used by the farmers. The farmers used to apply field rates of these herbicides till 2008-09 and were getting effective control of P. minor (>85%). During 2009-10, clodinafop started showing signs of reduced efficacy and >30% farmers used 1.5 times of field dose and control was still poor (<65%); few farmers (<10%) used 2 times the field dose with little success. In 2010-11, the farmers (<50%) used 2 times and <30% used 3 times or higher dose of clodinafop alone/tank mix of clodinafop + sulfosulfuron/both herbicides in sequence and control was still poor (0- <60%); re-growth recorded in Patiala, Fatehgarh Sahib, Ludhiana and Moga districts. Sulfosulfuron efficacy also showed declining trend (<60%) during 2010-11. Reduced efficacy of sulfosulfuron was more prevalent in fields having history of continuous use of sulfosulfuron but poor efficacy of clodinafop was even recorded in fields having continuous use of sulfosulfuron. The spray methodology adopted by the farmers was better than they were using in the previous years, hence cannot be related to the reduced herbicide efficacy. The survey results pointed towards the development of cross resistance in P. minor to clodinafop and indicated that sulfosulfuron was likely to meet the same fate in the near future. Proper and regular monitoring of all the existing herbicides is desirable before the situation comes out of control at farmers’ field.

Email

bhullarms@pau.edu

Address

Punjab Agricultural University, Ludhiana, Punjab 141 004
Residual effect of wheat applied sulfonylurea herbicides on succeeding crops as affected by soil pH
Tarundeep Kaur and Lall Singh Brar
Full length articles | DOI: 2014-46-3-7 | Volume: 46 Page No:241-243 |
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Abstract:

Study was conducted at Punjab Agricultural Univeristy, Ludhiana to find the residual effect of sulphonylurea herbicdes, applied on wheat on the suceeding crops. The application of sulfonylurea herbicides proved quite effective against Phalaris minor in wheat crop without causing any toxicity to the crop. These herbicides being persistent in nature did not have same residual toxicity to most of the  crops grown in succession except in mung and maize where growth and development was adversely affected. The other crops like rice and cotton grew well and did not exhibit any toxicity due to various sulfonylurea herbicides viz., sulfosulfuron and mesosulfuron + iodosulfuron. fresh weight of maize was significantly more in normal pH soil than high pH soil which indicates that herbicides persist longer in high pH soil and cause 8.1% reduction in fresh weight of maize in high pH soil. 

Email

tarundhaliwal@pau.edu

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab 141 004
Effect of post-emergence herbicides at variable soil moisture on weeds and yield of wheat
Vinamarta Jain*1, M.L. Kewat and Namrata Jain
Full length articles | DOI: 2014-46-3-7 | Volume: 46 Page No:244-246 |
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Abstract:

An experiment was carried out during winter seasons of 2008-09 and 2009-10 at JNKVV, Jabalpur to study the response of post-emergence herbicides at variable available soil moisture (ASM) on weed biomass, yield attributing characters and yield of irrigated wheat. The weed control efficiency was higher at 100% ASM at the time of herbicides application and it was declined with every five per cent decrease in available soil moisture and was minimum under 80% ASM. The application of clodinafop fb 2,4-D registered significantly higher weed control efficiency over isoproturon and clodinafop alone.  Yield attributes, viz. number of effective tillers, length of ear head, weight of ear head, weight of grains per ear head, number of grains per ear head, test weight and grain and straw yields were significantly higher at 100% ASM  were at par with 95 and 90% ASM. Clodinafop fb 2,4-D proved significantly superior and produced 4.9, 5.8 and 18.4% higher grain yield over isoproturon, clodinafop and weedy check, respectively. 

Email

vinamarta_jain@rediffmail.com

Address

Jawaharlal Nehru Krishi Vishwavidyalaya, Jabalpur, Madhya Pradesh 482 004
Increase in growth and yield of cassava with weed management
Deo Shankar, Adikant Pradhan and M.S. Paikra
Full length articles | DOI: 2014-46-3-8 | Volume: 46 Page No:247-250 |
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Abstract:

The experiment comprising 10 weed management practices of different herbicidal combinations along with hand weeding were conducted on light textured soil of Jagdalpur as rainfed in Kharif season 2011 and 2012 on Tubers. Digitaria sangunalis, Eleusine indica, Setaria gluaca, Cyperus compressus and Echinochloa colona among monocots whereas broad leaved weeds, viz. Celosia argentea, Commelina  benghalensis, Spilanthus acmella and Euphorbia geniculata were found rampant weeds. Irrespective of weeds management practices, density and dry weight of weeds and weed control efficiency were significant under four hand weeding (1,2,3 and 4 month after planting). The growth and yield attributes of cassava over weedy check were also higher in same treatment over weedy check.

Email

deo1975ram@gmail.com

Address

S.G. College of Agriculture and Research Station, Jagdalpur, Chhattisgarh 494001
Influence of weed and fertilizer managment on yield and nutrient uptake in mustard
Dhiman Mukherjee
Full length articles | DOI: 2014-46-3-9 | Volume: 46 Page No:251-255 |
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Abstract:

Field investigation were carried out during winter season of 2011-12 and 2012-13 at Kalimpong (1250 m asl), to evaluate the effect of different fertilizer levels and weed management practices on density and dry matter of weeds and crop-weed completion for nutrient in Indian mustard (Brassica juncea (L.) Czern and Coss.). Amongst various fertility levels minimum weed density and dry matter production was recorded with the application of 150% RDF, which was found to be significantly superior to all other main plot treatments. Amongst various chemical treatments, the minimum weed density and weed dry matter production was observed with  pendimethalin (0.75 kg/ha) + hand weeding (HW) at 35 DAS, and was at par with the hand weeding twice during both the years, and in second year this was statistically similar with pendimethalin (1.25 kg/ha) and alachlor (1.25 kg/ha).  More seed yield was recorded with 150% RDF (2.19 t/ha) in first year and in second year more yield was associated with the 125% RDF (2.07 t/ha). Amongst various herbicidal treatments, during the first year maximum seed yield was registered with pendimethalin (1.25 kg/ha), and was at par with all the treatments except weedy check, fluchloralin (0.75 kg/ha) and pendimethalin (0.75 kg/ha), and in second year highest seed yield was recorded with the hand weeding twice, and was statistically at par with the pendimethalin (1.25 kg/ha), pendimethalin  (0.75 kg/ha) + HW at 35 DAS and alachlor (1.25 kg/ha). Amongst various main plot treatments, least nutrient uptake by weed was recorded with the application of 150% RDF. Least nutrient depletion by weed was registered with the hand weeding twice during both the year of data recording, and was at par with the pendimethalin (0.75 kg/ha) + HW at 35 DAS. Economics revealed that application of 150% RDF gave maximum net return   (` 19,380). However highest benefit: cost ratio (2.03) was registered with the application of 125% RDF. With sub-plot treatment highest net return (` 19,950) was observed with the hand weeding twice (` 19,950/ha), and was followed by application of pendimethalin (0.75 kg/ha) + HW at 35 DAS (` 19,850/ha). Maximum benefit: cost ratio (2.06) was recorded with the application of pendimethalin (1.25 kg/ha) and was closely followed by pendimethalin  (0.75 kg/ha) + HW at 35 DAS (1.91).

Email

dhiman_mukherjee@yahoo.co.in

Address

Regional Research Station, Uttar Banga Krishi Viswavidyalaya, Darjeeling, West Bengal 734301
Physico-chemical and biological properties of seed powder of flannel weed
Manish Kumar, Aradhita Ray, Akshma Berwal and Ashok K. Pathera
Full length articles | DOI: 2014-46-3-10 | Volume: 46 Page No:256-260 |
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Abstract:

Assessment of various physico-chemical and biological properties of seed powder of Sida cordifolia was done. This plant grows along roadsides and in open land in tropical climates. Mainly useful plant parts are seeds, leaves and roots. The loose bulk density, tapped bulk density, hausner ratio and angle of repose of sample were found to be 0.31g/cm3±0.1, 0.38 g/cm3± 0.2, 1.22%± 1.6 and 30.96o± 0.7, respectively. Moisture content of sample was found to be 10.00±1.6. Total ash, fat, total protein and non protein nitrogen was 3.80% ± 0.5, 10.56% ± 0.3, 22.00% ± 0.9 and 11.20% ± 0.4, respectively. Thermal stability of seeds was up to 200 oC. Low molecular weight protein bands ranging 10-60 kDa were identified. The demonstration of antimicrobial activity against microbes may be indicative of the presence of broad spectrum antimicrobial compounds. Amide I and amide II bands were two major bands of the infrared spectrum. This powder has very low water absorption capacity.

Email

apathera@gmail.com

Address

Department of Food Technology, Guru Jambheshwar University of Science and Technology, Hisar, Haryana 125001
Weed management in transplanted chilli
Subhra Shil and Pabitra Adhikary
Full length articles | DOI: 2014-46-3-11 | Volume: 46 Page No:261-263 |
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Abstract:

An experiment was conducted at Nadia, West Bengal during 2012 and 2013 to evaluate the effect of herbicides for weed control in transplanted chilli. The weed density, dry weed biomass, WCE and yield components of chillies such as number of fruits/plant, fruit length and economic yield were significantly affected in response to weed control treatments. Treatment receiving oxyfluorfen recorded lower weed biomass (6.01 and 17.57 g/m2) and higher WCE (81.7% and 75.0%) at 30 and 60 DAT, while hand weeding recorded the lowest weed biomass (4.87 and 17.32 g/m2) and highest WCE (85.5 and 75.4%). Hand weeding resulted in the highest number of fruits/plant (36.11), fruit length (6.75 cm) and yield of chilli (3.46 t/ha).

Email

subhrasmily@gmail.com

Address

Bidhan Chandra Krishi Viswavidyalaya, Nadia, West Bengal
Increase in growth and yield of pigeonpea with weed management
V.V. Goud* and A.N. Patil
Full length articles | DOI: 2014-46-3-12 | Volume: 46 Page No:264-266 |
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Abstract:

A field experiment was carried out to study the effect of pendimethalin, imazethapyr and paraquat on plant growth and seed yield of pigeonpea. It was found that  maximum increase in seed yield and B:C were obtained with pendimethalin as pre-emergence (PE) 1.0 kg/ha followed by (fb) paraquat 0.40 kg/ha at 8 weeks after sowing (WAS). The next best treatments were pendimethalin as PE 1.0 kg/ha fb paraquat 0.40 kg/ha 6 WAS, imazethapyr 0.075 kg at 20 days after sowing (DAS) fb paraquat 0.40 kg at 6 WAS and imazethapyr 0.075 kg at 20 DAS fb paraquat 0.40 kg at 8 WAS. Similar trend accrued with the economic returns, but B:C  was highest in  pendimethalin as pre-emergence 1.0 kg/ha fb paraquat 0.40 kg/ha at 8 WAS (2.50) followed by imazethapyr 0.075 kg/ha fb paraquat at 6 WAS (2.25) and 8 WAS (2.25) and pendimehalin as PE 1.0 kg/ha fb paraquat 6 WAS (2.20).

Email

vikasgoud08@yahoo.com

Address

Pulses Research Unit, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra 444 104
Bioefficacy of halosulfuron-methyl against sedges in bottle gourd
R.R. Dash and M.M. Mishra
Full length articles | DOI: 2014-46-3-13 | Volume: 46 Page No:267-269 |
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Abstract:

A field experiment was conducted at Bhubaneswar to evaluate the efficacy of halosulfuron-methyl for the control of weeds in bottle gourd. The treatments constituted of new herbicide formulation halosulfuron-methyl (75% WG) in different doses (52.5, 67.5, and 135 g/ha) at 3-4 leaf stages of Cyperus rotundus compared with recommended dose of metribuzin at 490 g/ha and two hand weeding on 20 and 40 DAS with unweeded control. The results revealed that the density of Cyperus rotundus was distinctly controlled by application of halosulfuron-methyl. But grasses and broad-leaved weeds were considerably lower in pre-emergence application of metribuzin at 490 g/ha. The lowest total weed dry weight, higher weed control efficiency and cane yield were recorded in metribuzin  490 g/ha followed by halosulfuron-methyl 135 g/ha. The herbicide tested in this study did not show any residual phytotoxic effect on succeeding crop of cowpea.

Email

mishramm2012@gmail.com

Address

All India Coordinated Research Project on Weed Control, OUAT, Bhubaneswar, Odisha 751 003
Additive properties of mint weed in polyfilms
Neelu Singh, Nanita Berry and Pranav Dhar
Full length articles | DOI: 2014-46-3-14 | Volume: 46 Page No:270-273 |
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Abstract:

Biopolymer films have been regarded as potential replacements for synthetic petrochemical based polymers for different uses mainly in pharmaceuticals and packaging applications in view of strong awareness towards more environmental friendly materials. Polysaccharide-mucilage and lignin concentrate were isolated from the mint weed (Hyptis suaveolens). Potato starch was modified and starch-lignin-mucilage-polyvinyl alcohol was prepared in different composition from lignin and mucilage isolates of H. suaveolens. The physical properties like film appearance, opacity, swelling per cent and mechanical properties namely tensile strength and elongation per cent of polyfilms were measured. Acetylated starch with lignin isolates showed good elongation % (17.43±0.24) in comparison to native starch films (2.62±0.11). Acetylation increased the tensile strength while Hyptis lignin increased the elongation per cent of films. The tensile strength of mucilage and polyvinyl film blend was found to be decreased significantly. This  study revealed that lignin and mucilage blends are compatible with starch and synthetic polymers which could be advantageous for cost reduction with improved properties and enhanced increase range of application.

Email

singhn@icfre.org

Address

Tropical Forest Research Institute, Jabalpur, Madhya Pradesh 482 021
Water use efficiency and phyto-remediation potential of water hyacinth under elevated CO2
V.S.G.R. Naidu, Ankita Deriya, Sidharth Naik, Seema Paroha and P.J. Khankhane
Full length articles | DOI: 2014-46-3-15 | Volume: 46 Page No:274-277 |
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Abstract:

A pot culture experiment was conducted in Open Top Chambers during 2007-08. The plantlets (ramets) of water hyacinth were grown in pots with four different media (M1- tap water, M2- distilled water, M3- hoagland solution and M4- hoagland solution with added heavy metals) in three replications and the pots were kept in open top chambers (OTCs), maintained at ambient (360±20ppm) and elevated CO2 (550±30 ppm), and in open field conditions. Pots in three replications from each media-without plant-were kept under the above three conditions as control to measure the evaporation for WUE estimation. The growth of the plants grown in M1 and M2 was severely affected. The plants grown under elevated CO2 and nutrient rich media (M3 and M4) maintained higher green-leaf area over the growth period and recorded higher net assimilation rate (NAR). CO2 enrichment resulted into reduction of water loss (increased WUE) from plants grown in hoagland (M3) and heavy metal (M4) solutions. When the comparison was made in between M3 and M4 treatments, there was tremendous increase in WUE (reduced transpirational loss of water per gram of dry matter produced) in plants grown in M4. the elevated CO2 enhanced the uptake of heavy metals like Cu, Fe, Mn and Zn in both the media but it was higher in M4 than in M3 due to increased availability.

Email

naidudwsr@gmail.com

Address

Directorate of Weed Science Research, Jabalpur, Madhya Pradesh 482 004
Residual effect of cluster bean herbicides on succeeding wheat crop
S.S. Manhas and A.S. Sidhu
Short communications | DOI: 2014-46-3-16 | Volume: 46 Page No:278-282 |
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Abstract:

A field experiment was carried out at Punjab  Agricultural University, Regional Research Station, Bathinda during Kharif 2012. Pendimethalin 750 g/ha followed by imazethapyr 40 g/ha results minimum weed intensity and weed dry matter accumulation and maximum yield attributes and yield except weed free. The application of pendimethalin 750 g/ha followed by imazethapyr 40 g/ha resulted maximum net return (` 33,118/ha) and b:c ratio (2.07) which was more than other treatments of weed control. Imazethapyr, imazethapyr + imazamox, quizalofop-ethyl, fenoxaprop-p-ethyl and pendimethalin at all doses and combinations resulted no phytotoxicity symptoms on guar crop and no residual effect on succeeding wheat crop.

Email

sm_manhas30@yahoo.com

Address

Regional Research Station, Punjab Agricultural University, Bathinda, Punjab 151 001
Carfentrazone and pinoxaden with and without surfactant against grasses and broad-leaf weeds in wheat
S.S. Punia and Dharambir Yadav
Short communications | DOI: 2014-46-3-17 | Volume: 46 Page No:283-285 |
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Abstract:

Experiment to evaluate the bioefficacy of pinoxaden 5 EC in combination with carfentrazone in wheat was conducted in sandy loam soil at CCS HAU Hisar during Rabi seasons of 2008-09 and 2009-10, at Agronomy Research Area of CCS Haryana Agricultural University, Hisar. The dominant weeds present in experimental field were little seed canary grass (Phalaris minor Retz.) among grassy weeds and Chenopodium album, Convolvulus arvensis and Melilotus indica among broadleaf weeds. Use of carfentrazone 25 g/ha at 35 DAS and pinoxaden 40 g/ha 7 days after carfentrazone use was not as effective against P.minor as pinoxaden use at 35 days after sowing. Post-emergence use of pinoxaden at 50 g/ha (35 DAS) with sequential use carfentrazone at 25 g/ha (42 DAS) with 1% ammonium sulphate provided complete control grassy and broadleaf weeds without any phytotoxic effect on wheat crop.

Email

puniasatbir@gmail.com

Address

Department of Agronomy, CCS HAU, Hisar, Haryana 125 004
Time of nitrogen application and weed management practices for increased production of wheat in Gujarat
D.R. Padheriya, A.C. Sadhu, P.K. Suryawanshi and M.S. Shitap
Short communications | DOI: 2014-46-3-18 | Volume: 46 Page No:286-288 |
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Abstract:

A field experiment was conducted during Rabi season of the year 2011-12 at Anand Agricultural University, Anand, Gujarat. The maximum grain yield, straw, grain, lower weed count , weed dry matter, weed index, higher weed control efficiency were obtained from treatment 1/3   as basal + 1/3 at CRI + 1/3 at FND. Different weed management practices significantly influenced yields and weed parameters. The higher grain yield, straw yield were recorded from treatment  pendimethalin 1.0 kg/ha (PE) fb metsulfuron-methyl 0.004 kg/ha (PoE at 25-30 DAS) (3882 kg/ha). While, treatment of hand weeding at 20 and 40 DAS recorded significantly minimum count, weed dry matter, weed index with higher weed control efficiency. Interaction effects time of nitrogen and weed management practices were significant in respect of plant height weed dry matter at 25, 50 and at harvest.

Email

panksurya0923@gmail.com

Address

B.A. College of Agriculture, Anand Agricultural University, Anand, Gujarat 388 110
Herbicides effect on weeds and yield of late sown wheat
A.K. Singh, R.K. Singh and P.R. Singh
Short communications | DOI: 2014-46-3-19 | Volume: 46 Page No:289-290 |
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Abstract:

A field experiment was conducted during Rabi season of 2010-11 at Faizabad to assess the bio-efficacy of fenoxaprop and formulation of fenoxaprop available as Wipsuper in the market at various doses and clodinofop on weeds and productivity of late sown wheat. Fenoxaprop at higher doses effectively suppressed weeds and produced significantly lowest weed dry weight but it did not able to enhance nitrogen removal by crop as at lower doses. Post-emergence application of Whipsuper (fenoxaprop) 120 g, fenoxaprop 100 and 120 g and clodinofop 60 g/ha in late sown wheat eliminates crop weed competition at tillering and grant growth period which ultimately provides congenial conditions to crop for better harnessing of available crop growth resources and produced profitable grain yields.

Email

rksagron@gmail.com

Address

Narendra Deva University of Agriculture & Technology, Faizabad, Uttar Pradesh 224 229
Ragweed emerging a major host for the cotton mealy bug in Pakistan
Asad Shabbir
Short communications | DOI: 2014-46-3-20 | Volume: 46 Page No:291-293 |
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Abstract:

Parthenium is an alien invasive species spreading very fast in natural and agricultural ecosystems of Pakistan. Besides having direct negative effects on many field crops and other economically important plants, this weed has also been reported to be an alternate host of a number of agricultural pests and diseases. This paper reports Parthenium weed being as an emerging host for cotton mealy bug in Pakistan. Efforts were needed to remove Parthenium weed from cotton growing belt to minimize the damages caused by this pest to cotton crop in the season.

Email

asad.iags@pu.edu.pk

Address

Institute of Agricultural Sciences, University of the Punjab, Lahore 54590
Integrated weed management in turmeric
Ashok Jadhav and Sanjay Pawar
Short communications | DOI: 2014-46-3-21 | Volume: 46 Page No:294-295 |
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Abstract:

A field experiment was carried out during 2012-13 in randomized block design with three replications at Weed Science Research Station, VNMKV, Parbhani with eight treatments. Results showed that metribuzin 0.7 kg/ha PE fb straw mulch 10 t/ha fb one HW recorded lowest dry weight of weeds, highest weed control efficiency, fresh rhizome yield (12.16 t/ha) net monitory returns (Rs 1,44,630/ha) and B:C ratio (1.47) as compared to other treatments.

Email

asjadhav31@rediffmail.com

Address

Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani, Maharashtra 431 402
Natural incidence of agromyzid fly on broomrape
C. Kannan, Aditi Pathak and Sushilkumar
Short communications | DOI: 2014-46-3-22 | Volume: 46 Page No:296-297 |
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Abstract:

Natural incidence of the oligophagous fly Phytomyza orobanchie was observed on Orobanche crenata in brinjal (egg plant: Solanum melongena) in the farmers’ field in Central India during a survey in January 2013. This natural incidence indicatesd that the bioagent is now established in India. The bioagent has been submitted to gene bank accession (No. KC732453.1, p. 658). It was concluded that if more intensive surveys are conducted in the Orobanche infested areas, there may be chances for more areas to be indentified and this insect may be used in the integrated management of Orobanche.  

Email

agrikannan@gmail.com

Address

Directorate of Weed Science Research, Jabalpur, Madhya Pradesh 482 004
Autecology of blood grass in wetland rice ecosystem
D. Sajith Babu, Sansamma George and M.A. Nishan
Short communications | DOI: 2014-46-3-23 | Volume: 46 Page No:298-299 |
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Abstract:

Based on the data on the effect of nutrient management and crop spacing  on the growth and development of I. miliacea, it could be elucidated that application of enhanced nutrients exclusively as chemical fertilizers in combination with wider spacing  stimulated growth and vigour of the weed. Hence an integrated approach in nutrient management is suggested for efficient and economic management of the weed.  By altering nutrient management and adjusting the plant population, the competitive ability and productivity of rice crop can be improved and weed management made more efficient and economic. Considering the practical importance of the study, detailed investigation in similar lines needs to be conducted on such major weeds for the entire state under all systems of rice cultivation including upland rice.

Email

nshan.ma@gmail.com

Address

College of Agriculture, Vellayani, Thiruvananthapuram, Kerala 695 522
Weed management in chickpea under irrigated conditions
Narender Kumar, D.P. Nandal and S.S. Punia
Short communications | DOI: 2014-46-3-24 | Volume: 46 Page No:300-301 |
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Abstract:

Pendimethalin 1000 g/ha as pre-emergence effectively controlled C. album, M. denticulata and Phalaris minor. Pinoxaden 50 g/ha and clodinafop 60 g/ha as post-emergence were effective in controlling only P. minor. Pinoxaden and trifluralin were slightly phytotoxic to chickpea plants, which recovered later on. The highest grain yield was obtained in weed free treatment which was at par with two hand weeding, pre-emergence use of pendimethalin at 1000 g/ha fb pinoxaden at 50 g/ha applied at 45 DAS and pendimethalin at 1000 g/ha fb clodinafop at 60 g/ha applied at 45 DAS. Presence of weeds throughout crop season reduced the seed yield up to 68%.

Email

puniasatbir@gmail.com

Address

CCS HAU College of Agriculture, Kaul, Kaithal, Haryana 136 021
Weed management in groundnut with imazethapyr + surfactant
R.K. Singh, S.K. Verma and R.P. Singh
Short communications | DOI: 2014-46-3-24 | Volume: 46 Page No:302-304 |
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Abstract:

An experiment was conducted during Kharif season of 2009 at BHU, Varanasi to evaluate the bio-efficacy of imazethapyr 10% SL + surfactant against important weeds of groundnut. Application of imazethapyr  200 g/ha + surfactant being at par with its lower rates of 100 and 125 g/ha, reduced the density of dominant weeds. Pre-emergence application of oxyfluorfen 250 g/ha effectively controlled the Dactyloctenium aegyptium and Trianthema portulacastrum whereas, it was least effective against Echinochloa colona and Cyperus rotundus. Imazethapyr  200 g/ha + surfactant recorded significantly the highest seed and haulm yield and weed control efficiency over imazethapyr 100 g/ha + surfactant (market sample), imazethapyr 75 g/ha + surfactant and oxyfluorfen 250 g/ha. There was no-phytotoxicity symptoms on crop even at higher rate (200 g/ha) of the herbicide.

Email

suniliari@gmail.com

Address

Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh 221 005
Residual effects of soybean herbicides on the succeeding winter crops
Ramawatar Yadav and M.S. Bhullar
Short communications | DOI: 2014-46-3-25 | Volume: 46 Page No:305-307 |
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Abstract:

The residual effects of pendimethalin, quizalofop, imazethapyr and imazamox, applied to soybean crop, on the succeeding winter season crops, viz. wheat, barley, spinach, pea, raya, canola and sugarbeet were determined through field bioassay at Ludhiana in 2013-14. Soybean was supplied with fifteen weed control treatments, viz. pendimethalin at 450 g/ha as pre-emergence alone and followed by (fb) hoeing, imazethapyr + imazamox at 60 and 70 g/ha each at 3 and 4 weeks after sowing (WAS), quizalofop 37.5 and 50.0 g/ha at 3 WAS, pendimethalin 450 g/ha fb imazethapyr + imazamox 60 and 70 g/ha at 4 WAS/quizalofop at 37.5 and 50.0 g/ha at 4 WAS, imazethapyr + imazamox 60 and 70 g/ha at 3 WAS fb quizalofop 37.5 g/ha at 6 WAS and unsprayed check. The emergence, plant height and dry matter accumulation of all the succeeding crops were similar among herbicidal and unsprayed plots indicating that all the herbicides are safe for raising of these winter crops in rotation with soybean.

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