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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- 50 | Issue-2 (Apr-Jun) | Year 2018

Bioefficacy of flucetosulfuron in wet-seeded rice
S.R. Arya and Elizabeth K. Syriac
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00026.6 | Volume: 50 Page No:103-107 |
Address & Email | Article preview | View PFD | Download

Abstract:

Field experiments were conducted during rainy and winter seasons of 2016-17 in Kalliyoor Panchayat (8.44550 N and 76.99180 E), Nemom block, Thiruvananthapuram district, Kerala, India in order to assess the bioefficacy of flucetosulfuron in wet-seeded rice. The experiment was laid out in a randomised block design with 12 treatments and three replications. Flucetosulfuron 20, 25 and 30 g/ha applied at 2-3, 10-12 and 18-20 days after sowing (DAS) along with hand weeding at 20 and 40 DAS and weedy check comprised the treatments. Pooled analysis of the data for two seasons revealed the significance of time of application of flucetosulfuron in wet-seeded rice. Application of flucetosulfuron 25 g/ha at 10-12 DAS recorded the highest grain yield (8.33 t/ha), which was at par with flucetosulfuron 20 and 30 g/ha at 10-12 DAS and hand weeding at 20 and 40 DAS. Yield reduction due to weeds was found to be 52.33 and 55.61 per cent during rainy and winter seasons respectively. Higher yield attributes, harvest index, net income and B:C ratio were recorded for flucetosulfuron, applied at 10-12 and 18-20 DAS, irrespective of their dosage. The lower weed dry weight and weed index of these treatments substantiate the result. Henceforth, flucetosulfuron 20, 25 and 30 g/ha with a wide application window of 10-20 DAS can be endorsed for better weed management and higher yield in wet seeded rice. 

Email

aaryanarayan@gmail.com

Address

Department of Agronomy, College of Agriculture, Vellayani, Thiruvananthapuram, Kerala 695 522
Amelioration of herbicide stress with plant growth regulators and nutrients in transplanted rice
S. Mohapatra, S.K.Tripathy and B.R Nayak
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00027.8 | Volume: 50 Page No:108-111 |
Address & Email | Article preview | View PFD | Download

Abstract:

Foliar application of two plant growth regulators (PGR)-brassinolide at 0.5 ppm, gibberellic acid at 10 ppm and one complex fertilizer NPK 19:19:19 at 1% concentration were tested alone as well as in combination with control (double dose of fenoxaprop-ethyl) and absolute control (normal dose of fenoxaprop-ethyl) against herbicide stress to rice during Kharif 2015 and 2016. The treatments were given 5 days after application of fenoxaprop-ethyl as foliar spray. Among the PGRs and nutrients, tank mix application of brassinolide at 0.5 ppm + NPK 19:19:19 at 1% recorded the lowest incidence of phytotoxicity (1.2) at 30 days after application and gave the highest grain yield (6.12 t/ha), net returns (` 49,431/ha) and benefit : cost ratio (1.32). Grain yield was more (5.92 to 6.12 t/ha) in brassinolide treated plot than that of gibberellic acid (5.81 to 5.83 t/ha) indicating more effectiveness of brassinolide than gibberellic acid in mitigating herbicide stress. Use of plant growth regulator and nutrient prevented 25.9% yield loss due to herbicide stress in rice.

Email

sanjukta.mohapatra34@gmail.com

Address

Regional Research and Technology Transfer Station, Orissa University of Agriculture and Technology, Chiplima, Sambalpur, Odisha 768 025
Impact of live mulches, cover crops and herbicides on weeds and yield of direct-seeded rice
Pratik Sanodiya and Manoj Kumar Singh
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00028.X | Volume: 50 Page No:112-115 |
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Abstract:

A field investigation was conducted during the rainy seasons of 2014 and 2015 at Varanasi, Uttar Pradesh, to study the impact of live mulches, cover crops and herbicides on weeds and yield in direct-seeded rice (Oryza sativa L.). Sesbania cover crop followed by (fb) bispyribac Na 25 g/ha + azimsulfuron 30 g/ha at 15 DAS had lesser weed density and dry weight of grasses, sedges and broad-leaved weeds than sunhemp cover crop fb bispyribac-Na 25 g/ha + azimsulfuron 30 g/ha at 15 DAS. Sesbania cover crop fb bispyribac-Na 25 g/ha + azimsulfuron 30 g/ha at 15 DAS had higher harvest index in comparison to sunhemp cover crop fb bispyribac-Na 25 g/ha + azimsulfuron 30 g/ha at 15 DAS. Sesbania cover crop fb bispyribac-Na 25 g/ha + azimsulfuron 30 g/ha at 15 DAS improved grain and straw yields with higher gross and net returns, and benefit:cost ratio as compared to sunhemp cover crop fb bispyribac-Na 25 g/ha + azimsulfuron 30 g/ha at 15 DAS.

Email

prsanodiya10@gmail.com

Address

Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh 221 005
Crop establishment and weed management techniques to control in wet-rice weeds under lateritic soils of West Bengal
A. Hossain
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00029.1 | Volume: 50 Page No:116-119 |
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Abstract:

A field experiment was conducted in sandy loam soil at Visva-Bharati University, Sriniketan, West Bengal in three consecutive rainy season of 2008, 2009 and 2010 to study the effect of crop establishment techniques and weed management on weed dynamics and yield of rice. Conventional transplanting method was found to be the most effective in controlling all categories of weeds throughout the growth period because of stagnation of water in the plots. Among weed management practices, pyrazosulfuron-ethyl (25 g/ha at 3 DAS/DAT) + mechanical weeding (cono-weeder) was the most effective in controlling the mixed weed flora. Similar trend was also observed in dry matter of weeds. The highest grain yield (3.75 t/ha) was obtained under system of rice intensification (SRI) with pyrazosulfuron-ethyl (25 g/ha at 3 DAS/DAT) + mechanical weeding while drum seeded with no weed control practices recorded the lowest grain yield (2.00 t/ha). SRI system with pyrazosulfuron-ethyl + mechanical weeding also gave the highest net return (` 19890/ha).

Email

ahossaindwsrc@yahoo.in

Address

Sriniketan Centre, Palli Siksha Bhavana, Visva-Bharati, Sriniketan, West Bengal 731 236
Bio-efficacy of herbicides in direct-seeded rice
T.U. Patel, D.H. Lodaya, A.P. Italiya, D.D. Patel and H.H. Patel
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00030.8 | Volume: 50 Page No:120-123 |
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Abstract:

A field study was conducted during summer seasons of 2015 and 2016 to evaluate the efficacy of post-emergence herbicides at Navsari Agricultural University, Navsari. Total twelve treatments consisting of pretilachlor 1250 g/ha and pyrazosulfuron-ethyl 25 g/ha as pre-emergence (PE); bispyribac-sodium salt 50 g/ha and cyhalofop-butyl 100 g/ha at 20 DAS as post-emergence; stale seedbed, hand weeding and unweeded check were evaluated. Pretilachlor 1250 g/ha PE or pyrazosulfuron-ethyl 25 g/ha fb bispyribac-sodium salt 50 g/ha at 30 DAS suppressed both weed density and dry weight over control. Growth and yield attributes, viz. plant height, no. of tillers, no. of panicles/length of panicles and no. of grain/panicles were improved significantly with pretilachlor 1250        g/ha PE fb bispyribac-sodium salt 50 g/ha at 30 DAS and pyrazosulfuron-ethyl 25 g/ha fb bispyribac-sodium salt 50 g/ha at 30 DAS. Similarly, higher rice grain and straw yields and maximum net returns were also associated with these combinations. Pre- and post-emergence application of pretilachlor 1250 g/ha or pyrazosulfuron-ethyl 25 g/ha PE fb bispyribac-sodium salt 50 g/ha at 30 DAS appeared to be a viable strategy for weed control in direct-seeded rice with higher economic returns.

Email

tushagri.ank@nau.in

Address

Department of Agronomy, N.M. College of Agriculture, Navsari Agricultural University, Navsari, Gujarat 396 450
Diversity of Echinochloa spp. in Palakkad rice tracts of Kerala
K.K. Aparna, Meera V. Menon, Jiji Joseph and P. Prameela
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00031.X | Volume: 50 Page No:124-128 |
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Abstract:

Surveys were conducted twice in the major rice tracts of Palakkad, once during January-February, and the other during August-September in 2016. Three major Echinochloa types were identified infesting rice fields, causing severe crop competition. The three types were E. colona, with awnless spikelets and two types of E. crus-galli, viz. E. crus-galli (type A) having short awns and E. crus-galli (type B) having long awns. Other than the length and arrangement of awns, there were no significant differences in the morphological characters of the latter two types. Frequency and relative frequency was the highest for E. crus-galli (type B). There was no specific association between the Echinochloa types and soil nutrient parameters, probably as there were no drastic differences in the chemical properties among the different locations. Cluster analysis classified Echinochloa types in to 5 groups at 66.67% similarity level. The study concludes that in a less productive environment, the awned types of Echinochloa could have a better chance of survival.

Email

m_vmenon@yahoo.com

Address

College of Horticulture, Kerala Agricultural University, Thrissur, Kerala 680 656
Effect of crop establishment and weed management practices on growth and yield of wheat
Manoj Kumar, Dibakar Ghosh and Raghwendra Singh
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00032.1 | Volume: 50 Page No:129-132 |
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Abstract:

A field experiment was conducted during the winter season of 2012-13 and 2013-14 at ICAR-DWR, Jabalpur, Madhya Pradesh, to study the effect of crop establishment and weed management practices on growth and yield of wheat. Maximum reduction in density and biomass of Phalaris minor and Avena ludoviciana was recorded under zero-tillage with residue while in Medicago denticulata under conventional tillage practices. Zero tillage with residue retention recorded higher grain and straw yield as well as net return and B:C ratio. Among the different herbicides ready mix application of sulfosulfuron + metsulfuron (32 g/ha) significantly reduced weed density and dry biomass accumulation, and which was followed by application of mesosulfuron +iodosulfuron and mertibuzin  over weedy check due to enhanced of growth, yield and benefit cost ratio of wheat. As compared to weedy, the higher yield attribute character and yield of wheat was produced with the herbicidal treatments. The maximum yield, net return and B:C was achieved with the post-emergence application of sulfosulfuron + metsulfuron.

Email

singhraghu75@gmail.com

Address

Directorate of Weed Research, Jabalpur, Madhya Pradesh 482 004 1ICAR-Indian Institute of Vegetable Research, Varanasi, Uttar Pradesh 221305
Tembotrione for post-emergence control of complex weed flora in maize
Dharam Bir Yadav, Ashok Yadav, S.S. Punia and Anil Duhan
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00033.3 | Volume: 50 Page No:133-136 |
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Abstract:

Bio-efficacy of tembotrione 42% SC w/v (34.4% SC w/w), a new herbicide for post-emergence control of mixed weed flora in maize was evaluated during rainy seasons 2009 to 2015 at CCS Haryana Agricultural University, Regional Research Station, Karnal and also through multi-location adaptive/farmer-participatory trials. Post-emergence application of tembotrione 120 g/ha along with surfactant (1000 ml/ha) at 2-4 leaf stage was found most effective against grassy and non-grassy weeds as compared to other herbicidal treatments either applied as pre- or post-emergence (including its lower doses, atrazine and 2,4-D) resulting into the highest productivity (3.77-4.44 t/ha) and profitability (B-C ratio 1.75-1.98) of maize in on-station experiment during 2009-2010. On an average, grain yield of maize under tembotrione 120 g/ha along with surfactant (4.04-5.00 t/ha) was also better than the atrazine 500-750 g/ha (3.59-4.43 t/ha) and untreated check (2.86-3.33 t/ha) at multi-location trials during 2013-2015. There was no residual toxicity of tembotrione on succeeding wheat. Residues of tembotrione at 120 g/ha + S 1000 ml/ha and 240 g/ha + S 1000 ml/ha in raw cobs, grains and straw of maize and soil were also below detectable level during 2015.

Email

dbyadav@gmail.com

Address

CCS Haryana Agricultural University, Hisar, Haryana 125 004
Herbicide options for effective weed management in zero-till maize
B. Mitra, P.M. Bhattacharya, A. Ghosh, K. Patra, A.K. Chowdhury and M.K. Gathala
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00034.5 | Volume: 50 Page No:137-141 |
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Abstract:

A field experiment was carried out during winter seasons of 2015-16 and 2016-17 at Uttar Banga Krishi Viswavidyalaya, Pundibari, Coochbehar, West Bengal with the objective of identifying weed management options with various pre- and post-emergence herbicides in zero-till maize in rice-maize cropping system. Three pre-emergence herbicides, viz. pendimethalin 1.0 kg/ha, atrazine 1.0 kg/ha and control in  main plots and six post-emergence treatments, viz. atrazine (0.5 kg/ha), tembotrione (120 g/ha), halosulfuron (90 g/ha), tembotrione (120 g/ha) + atrazine (0.5 kg/ha), halosulfuron(90 g/ha) + atrazine (0.5 kg/ha) and control in sub-plots were evaluated in a split-plot design. Results revealed that both pendimethalin and atrazine reduced the grassy weed population to a significant extent and among the pre-emergence herbicides, atrazine resulted in maximum reduction in grass weed population (69% reduction over the weedy check) at 20 days after seeding (DAS). Among the post-emergence herbicides, mixture of tembotrione + atrazine was more effective in controlling all classes of weed flora at 40 and 60 DAS. Tembotrione alone also showed a good control of grasses and broad-leaved weeds. Atrazine as pre-emergence followed by (fb) tembotrione + atrazine as post-emergence had significantly lower weed biomass (2.9 and 7.5 g/m2 at 40 and 60 DAS, respectively) and this combination reduced the weed dry matter to the tune of 98.7 and 97.9% at 40 and 60 DAS, respectively which ultimately resulted in significantly higher grain yields (11.57 t/ha) with maximum net returns (` 74210/ha) and B: C ratio (2.73). A strong negative correlation between weed biomass at 60 DAS and maize grain yield clearly suggested that weed biomass accounted for 55% variation in grain yield of zero-till maize.

Email

bipmitra@yahoo.com

Address

Uttar Banga Krishi Viswavidyalaya, Pundibari, Coochbehar, West Bengal 736 165; 1CIMMYT, Dhaka 1212, Bangladesh
Efficacy and economics of imidazolinone herbicides in cluster bean and their residual effect on mustard
Meenakshi Sangwan*, Samunder Singh1 and Satyavan
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00035.7 | Volume: 50 Page No:142-145 |
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Abstract:

A field experiment was carried out at two different locations, research area of CCS HAU Hisar and farmer’s field (Kheri Batter) to study efficacy and economics of imidazolinone herbicides in cluster bean during Kharif 2013 and their carryover effect on mustard was observed during Rabi 2014. Significantly higher herbicide efficiency index (HEI) was observed under PE application of pendimethalin + imazethapyr 1000 g/ha and tank mixture 500 g + imazethapyr 50 g/ha at 30 DAS and these two treatments also provided better control of weeds at 60 DAS without any phytotoxic effect on cluster bean at both the locations. At 30 DAS, less dry weight of weeds was recorded under pendimethalin 1000 g/ha as PE, but at 60 DAS, due to new emergence of weeds, percent weed control reduced due to more dry weight of weeds, thus HEI was lower under pendimethalin 1000 g/ha PE. At 60 DAS, PoE application of imazethapyr 100 g/ha fb propaquizafop 62.5 g/ha provided the highest HEI which was at par with pendimethalin + imazethapyr (ready and tank mixture), but at Hisar, HEI of imazethapyr + imazamox at all the doses was lower due to heavy infestation of T. portulacastrum as compared to other herbicidal treatments. The lowest weed index (WI) was observed under pendimethalin 500 g + imazethapyr 50 g/ha (tank mixture) as PE which was significantly at par with pendimethalin + imazethapyr (RM) 1000 g/ha as PE and imazethapyr 75 and 100 g/ha fb propaquizafop 62.5 g/ha, but significantly higher WI was recorded under imazethapyr + imazamox due to lower efficacy against T. portulacastrum. The highest biological yield, seed yield, maximum net returns and increase over weedy check were obtained under pendimethalin 500 g + imazethapyr 50 g/ha (tank mixture) as PE and pendimethalin + imazethapyr (RM) 1000 g/ha as PE, but both were statistically similar to each other and similar to PoE imazethapyr 100 g/ha fb propaquizafop 62.5 g/ha at both the locations. No injury was visible at 2 WAS, 4 WAS and later stages on mustard.

Email

meenakshisangwan1991@gmail.com

Address

Krishi Vigyan Kendra, Rohtak, Haryana; Department of Agronomy, CCS Haryana Agricultural University, Hisar, Haryana 125 004
Sensitivity and terminal residues of various herbicides screened for the control of broomrape in tomato
Anil Duhan, S.S. Punia, Samunder Singh and V.S. Hooda
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.10.5958/0974-8 | Volume: 50 Page No:146-152 |
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Abstract:

Sensitivity of sulfosulfuron, ethoxysulfuron, mesosulfuron + iodosulfuron (RM), glyphosate, metribuzin and imazethapyr against Himsona and Rocky hybrids of tomato and their residues in fruits and soil were evaluated in a field and screen house study during Kharif 2015 and 2016, respectively. Herbicides applied at different stages and doses caused injury to tomato seedlings in both hybrids up to 30 days after treatment (DAT). Phyto-toxicity was more prominent in case of mesosulfuron + iodosulfuron (RM) followed by ethoxysulfuron and glyphosate. Among both hybrids, herbicide toxicity was more in Rocky as compared to Himsona irrespective of dose and time of application. But crop recovered fully within 30 days in plots treated with sulfosulfuron at 25 g/ha either used as pre-plant incorporation (PPI) or pre-emergence (PE) and post emergence (PoE) applications of 25 g/ha twice on 15 and 45 DAT, respectively resulting in more number of fruits per plant and was on par with untreated check. For herbicides residues estimation, recovery experiments were performed by validation of analytical method at two fortification levels of 0.01 and 0.05 μg/g which gave average recoveries of different herbicides from 80.4 to 91.3%. The limit of detection (LOD) and limit of quantification (LOQ) of various herbicides were ranged from 0.003 to 0.01 μg/g. In tomato fruits, residues of these herbicides were below maximum residues limit (MRL) of 0.05 μg/g. Residues in soil ranged from 0.023 to 0.186 μg/g in various herbicide treatments. Sulfosulfuron application at 25 g/ha was found safe for Orobanche management in tomato.

Email

a.duhan@rediffmail.com

Address

Department of Agronomy, CCS Haryana Agricultural University, Hisar, Haryana 125 004
Effect of time of sowing and weed management on weed incidence, productivity and profitability of Bt cotton
V. Hariharasudhan and C. Chinnusamy
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00037.0 | Volume: 50 Page No:153-158 |
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Abstract:

A field experiment was conducted at Tamil Nadu Agricultural University, Coimbatore during winter seasons of 2015-16 and 2016-17 to evaluate the effect of time of sowing and weed management methods on Bt cotton hybrid. Different time of sowing and weed management methods play a significant role in determining weed incidence, crop growth and productivity of Bt cotton in Western Zone of Tamil Nadu. Results revealed that, early time sowing of Bt cotton on 1st August with pre-emergence application of pendimethalin 0.68 kg/ha followed by post-emergence application of pyrithiobac sodium 62.5 g/ha recorded significantly lower total weed density, dry weight and higher weed control efficiency with better performance of cotton growth, higher yield attributes, seed cotton yield and economics during both the years.

Email

tnauhari@gmail.com

Address

Tamil Nadu Agricultural University, Coimbatore, Tamil Nadu 641 003
Herbicides performance for managing weeds in berseem under sub-mountainous conditions of Punjab
Sumesh Chopra and Mandeep Kaur Saini
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00038.2 | Volume: 50 Page No:159-162 |
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Abstract:

A field experiment was conducted at farmer’s field of district Gurdaspur during the winter seasons of 2014-15 and 2015-16 to assess the performance of various herbicides for managing weeds in berseem under sub-mountainous conditions of Punjab. The experiment was laid out in a randomized block design having three replications and comprised of eight treatments, viz. fluchloralin 0.45 kg/ha, pendimethalin 0.75 kg/ha, imazethapyr 0.075 kg/ha, oxyfluorfen 0.1 kg/ha, fluchloralin 0.45 kg/ha followed by (fb) imazethapyr 0.075 kg/ha, pendimethalin 0.75 kg/ha fb imazethapyr 0.075 kg/ha, oxyfluorfen 0.1 kg/ha fb imazethapyr 0.075 kg/ha and a weedy check. All the weed control treatments caused significant reduction in weed density and biomass as compared to weedy check. The lowest weed density, weed   biomass, maximum weed control efficiency, more number of tillers, maximum pooled green fodder and pooled seed yield and highest net returns were observed with fluchloralin 0.45 kg/ha fb imazethapyr 0.075 kg/ha, which was closely followed by application of oxyfluorfen 0.1 kg/ha fb imazethapyr 0.075 kg/ha.   

Email

kaurmandeepsaini@pau.edu

Address

PAU Regional Station, Gurdaspur, Punjab 143 521
Elevated CO2 and temperature effect on growth and physiology of two Physalis species
Saurabh Pagare, R.P. Mishra, Manila Bhatia, Dibakar Ghosh, P.K. Singh and Bhumesh Kumar
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00039.4 | Volume: 50 Page No:163-171 |
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Abstract:

Physalis minima L. and Physalis peruviana L. are the two important species in India which grow under wild, weedy or cultivated conditions. Fruits of these species are edible with high nutritional values and may be suitable for stuff for the production of new functional foods and drinks. Climate change has been reported to influences almost every aspects of agriculture. Rise in atmospheric CO2 and temperature have been reckoned the two most significant variables involved in climate change. A study was conducted in open top chambers (OTCs) to understand the effect of elevated temperature (ambient + 2±0.5 oC) and elevated CO2 (550±50 ppm) individually and in combination on P. minima and P. peruviana. Study showed that elevated temperature as well as elevated CO2 individually and in combination had positive effect on growth and development, rate of photosynthesis, and water use efficiency of both the Physalis species. Rate of transpiration and stomatal conductance increased marginally in plants grown at elevated temperature, but a marked decrease was evident at elevated CO2 individually and in combination with elevated temperature as compared that in plants grown in ambient conditions in both the species. No significant changes were observed in relative water content and relative stress injury under any of the treatments in two species. Treatments- and species- specific changes were evident with respect to the activity of antioxidant enzymes and nitrate reductase, and peptide banding pattern using SDS-PAGE.

Email

kumarbhumesh@yahoo.com

Address

ICAR-Directorate of Weed Research, Jabalpur, Madhya Pradesh 482004; Rani Durgavati Vishwavidyalaya, Jabalpur, Madhya Pradesh 482001
Parthenium, water hyacinth and Medicago hispida weed substrates effect on population, biomass of earthworm Eisenia fetida and yield of compost
Sushilkumar and Ashutosh Singh
Research article | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00040.0 | Volume: 50 Page No:172-176 |
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Abstract:

Farmers uproot plenty of weed biomass from their crop fields during weeding process and such biomass are generally thrown on the bunds and road side. Such weed biomass can be used for making vermicomoist to enrich crop soil. This study was done to see the effect of abundantly occurred weed biomass of Parthenium, water hyacinth and M. hispida as substrate on growth of earthworm Eisenia fetida and vermicompost yield. Increase in length and weight biomass of earthworms indicated that although E. fetida fed on all the three substrates provided to them, but most preferred weed species was Medicago hispida for the reproduction and development for the earthworm. The weight gained by total number of juveniles in different substrates indicated highest weight gain in the substrate of M. hispida (17.16 g/pot ) followed by Parthenium (15.63 g/pot) and water hyacinth (13.21 g/pot). The number of cocoons recovered from which different substrates was highest in M. hispida and was statistically significant with other two substrates, while it was non-significant in Parthenium and water hyacinth. The maximum yield of vermicompost was obtained from Parthenium substrate (55.22%) followed by water hyacinth (46.05%) and M. hispida (45.22%). The vermicompost yield was not significantly different in water hyacinth and M. hispida, however, it was significantly different in case of Parthenium. Germination of Parthenium seedlings was recorded in vermicompost collected in form of the pellets of excreta individually from the vermicompost. This test unequivocally revealed that Parthenium seeds are not killed even if passed through the intestine of earthworm.

Email

sknrcws@gmail.com

Address

ICAR-Directorate of Weed Research, Maharajpur, Jabalpur, Madhya Pradesh 482 004
Pre- and post-emergence herbicides for weed control in blackgram
Priyanka Prajapati, Namrata Jain and Anamika Jain Badkul
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00041.2 | Volume: 50 Page No:177-179 |
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Abstract:

Application of imazethapyr at all the rates of application (60, 75, 100 and 150 g/ha) significantly reduced the weed density and biomass as compared to quizalofop-ethyl followed by pendimethalin, alachlor and hand hoeing. Hand weeding superseded over all the treatments with the highest weed control efficiency of 96.5% followed by imazethapyr at 150 g/ha (71.9%), 100 g/ha (70.2%) and quizalofop-ethyl (70.3%). The post-emergence application of imazethapyr at 60, 75, 100 and 150 g/ha recorded significantly higher seed yield than pre emergence application of pendimethalin and alachlor and post emergence grass weed killer quizalofop-ethyl. The net monetary returns was maximum with hand weeding twice followed by imazethapyr at 150 g, 100 g and 75 g/ha. However, the benefit:cast ratio was the highest under imazethapyr at 75 g/ha followed by 100 g/ha

Email

j_namrata1@rediffmail.com

Address

College of Agriculture, JNKVV, Tikamgarh, Madhya Pradesh 472 001
Weed management effect on weeds, crop, nutrients uptake and soil physico-chemical properties in blackgram
Raj kumar, R.S. Singh, Deepak Pandey and Manoj Kumar
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00042.4 | Volume: 50 Page No:180-181 |
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Abstract:

Field experiment was conducted during Kharif season 2015-16 at N.D. University of Agriculture and Technology, Kumarganj, Faizabad,  (UP) to asses the weed management effect on weeds, crop, nutrients uptake and soil properties in black gram. The result of the investigation revealed that application of imazethapyr + imazamox 80 g/ha PE was found superior in controlling weeds, increasing blackgram yield and nutrient uptake and recorded maximum benefit: cost ratio. Next best treatments were pendimethalin 1000 g/ha and metribuzin 200 g/ha PE.

Email

rkpnduat@ gmail.com

Address

Department of Agronomy, NDUA&T, Kumarganj, Faizabad, Utter Pradesh 224 229
Efficacy of post-emergence herbicides for weed control in soybean
Harpreet Kaur Virk, Guriqbal Singh and Poonam Sharma
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00043.6 | Volume: 50 Page No:182-185 |
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Abstract:

A field experiment was conducted at Punjab Agricultural University, Ludhiana to study the efficacy of post-emergence herbicides for weed control in soybean. The herbicides (pendimethalin, imazethapyr, imazethapyr + imazamox and quizalofop-p-ethyl) did not show any significant adverse effects on the number, dry weight and leghaemoglobin content of nodules. Application of pendimethalin 0.45 kg/ha as pre-emergence (PE) + hand weeding (HW) at 40 days after sowing (DAS) recorded significantly higher seed yield than other treatments, however, it was at par with two hand weeding. Among the herbicides, imazethapyr at 75 g/ha applied at 3 weeks after sowing (WAS) recorded significantly higher seed yield than pendimethalin 0.45 kg/ha (PE) and weedy check and was at par with imazethapyr + imazamox 70 g/ha and quizalofop-p-ethyl 50 g/ha applied at 3 WAS. Application of pendimethalin 0.45 kg/ha (PE) + HW at 40 DAS provided the highest net returns (` 49496/ha) followed by two hand weedings. However, application of post-emergence herbicides imazethapyr at 75 g/ha and imazethapyr + imazamox 70 g/ha at 3 WAS were found promising in controlling weeds, providing optimum seed yield and higher B:C ratio. In case of scarcity of labour, post-emergence herbicides can play an important role in controlling weeds effectively.

Email

hkmand@pau.edu

Address

Punjab Agricultural University, Ludhiana, Punjab 141 004
Herbicides effect on growth, yield and quality of onion
Apurva Minz, Punam Horo, Sheela Barla, R.R. Upasani and Ravikant Rajak
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00044.8 | Volume: 50 Page No:186-188 |
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Abstract:

A field experiment was conducted at Birsa Agricultural University, Kanke, Ranchi, during the year 2016-17 to study the effect of herbicides on growth, yield and quality of onion. The treatments comprised of application of oxyfluorfen (0.25 kg/ha) one week before transplanting, oxyfluorfen (0.25 kg/ha) immediately after transplanting, pendimethalin (1.00 kg/ha) one week before transplanting, pendimethalin (1.00 kg/ha) immediately after transplanting, pretilachlor (0.75 kg/ha) one week before transplanting, pretilachlor (0.75 kg/ha) immediately after transplanting, quizolofop-ethyl (1.00 kg/ha) 20 days after transplanting (DAT), hand weeding (HW) and weedy check. Results revealed that highest plant height (66.67 cm), number of leaves (5.98) and neck thickness (4.76 cm) were recorded in hand weeding at all the growth stages, which was at par with pendimethalin immediately after transplanting and pendimethalin one week before transplanting.The increase due to HW was in the tune of 78.88, 55.73 and 59.20% respectively than weedy check whereas, pendimethalin immediately after transplanting of onion recorded 63.94, 52.56 and 51.84% increase over weedy check. Hand weeding recorded 122% more yield (23.71 t/ha) than weedy check (10.68 t/ha). Juice content and TSS was the highest in hand weeding which was at par with pendimethalin immediately after transplanting, application of pendimethalin one week before transplanting and oxyfluorfen immediately after transplanting.

Email

sheela.barla123@gmail.com

Address

Department of Horticulture, Birsa Agricultural University, Ranchi, Jharkhand 834 006
Leaching potential of oxyfluorfen in soil
Shishir Tandon
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00045.X | Volume: 50 Page No:189-191 |
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Abstract:

Leaching potential of oxyfluorfen herbicide was evaluated in clay loam soil under laboratory conditions with simulated rainfall. Oxyfluorfen was applied at 240 and 480 g/ha on 60 cm long soil columns. Oxyfluorfen leached upto 10 cm soil depth but, maximum concentration (84.5%) of the total herbicide applied was observed on upper top soil. Residues were not detected in leachates. Study indicates low mobility of oxyfluorfen in clay loam soils under saturated moisture conditions and may not pose ground water contamination problem if not used indiscriminately.

Email

shishir_tandon@lycos.com

Address

G.B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand 263 145
First observation of field dodder and its host range in Meghalaya
Nazir Ahmad Bhat, Licha Jeri, Yogendra Kumar and Aabid Hussain Mir
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00046.1 | Volume: 50 Page No:192-194 |
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Abstract:

The present paper reports the first observation of a field dodder, Cuscuta campestris Yuncker from Meghalaya, Northeast India. Detailed field study has revealed a total of 51 host plant species, with Mikania micrantha Kunth., Parthenium hysterophorus L. and Duranta erecta L. being most favorable hosts. Anatomical study revealed that the parasite deteriorates the host plant by infiltrating its haustoria deep into the vascular bundles. It may also act as an economic threat to agricultural and horticultural sector in the state, as it largely reduces the host vigour and crop production. Therefore, there is an urgent need to control its invasion in the state.

Email

aabidm4@gmail.com

Address

North-Eastern Hill University, Shillong, Meghalaya 793 022
Effect of fertilizer and weed management practices on growth and yield of bidi tobacco
C.J. Patel, K.M. Gediya, H.K. Patel and A.R. Patel
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00047.3 | Volume: 50 Page No:195-197 |
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Abstract:

An experiment was conducted on loamy sand soil at Bidi Tobacco Research Station Farm, Anand Agricultural University, Anand, Gujarat during 2011-12 and 2012-13. Twenty treatment combinations comprising of four levels of fertilizer management (control; ammonium sulphate: 200 kg/ha; castor cake: 200 kg/ha and neem cake: 200 kg/ha) and five weed management treatments (unweeded, manual weeding, pendimethalin 1.0 kg/ha, isoproturon 1.0 kg/ha and glyphosate 1.0 kg/ha) were tried out in a factorial RBD with four replications. The application of ammonium sulphate at 200 kg/ha along with irrigation and manual weeding of broomrape were found to be the best practices.

Email

chiragjpatel@aau.in

Address

Bidi Tobacco Research Station, Anand Agricultural University, Anand, Gujarat 388 110
Purple nutsedge management by using herbicides alone and in combinations
R.K. Mathukia, B.K. Sagarka, D.M. Panara and B.S. Gohil
Research note | DOI: http://dx.doi.org/10.5958/0974-8164.2018.00048.5 | Volume: 50 Page No:198-200 |
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Abstract:

A field experiment was conducted during summer season of 2015-16 at Junagadh (Gujarat) to evaluate efficacy of a herbicides (halosulfuron-methyl, ethoxysulfuron, glyphosate) and their combinations (glyphosate + halosulfuron, glyphosate + ethoxysulfuron) in managing purple nutsedge (Cyperus rotundus L.) under non-crop situation. Maximum purple nutsedge control (92.20%) at 30 days after spraying (DAS) and the lowest regeneration (5.76%) at 60 DAS was recorded with tank-mix glyphosate 1230 g/ha + halosulfuron-methyl 33.75 g/ha at 30 days after emergence (DAE), which was at par with halosulfuron-methyl 80 g/ha at 30 DAE (91.50% and 7.76%, respectively) and halosulfuron-methyl 67.5 g/ha at 30 DAE (89.53% 8.48%, respectively). Ethoxysulfuron 15 g/ha at 30 DAE resulted in significantly the lowest nutsedge control (12.84%) at 30 DAS and the highest regeneration (62.22%) at 60 DAS. The herbicides and their mixtures applied for control of nutsedge during summer season have non-significant effect on plant height and dry matter/plant of succeeding crops, viz. groundnut, pearlmillet, cotton and sesame

Email

rkmathukia@jau.in

Address

College of Agriculture, Junagadh Agricultural University, Junagadh, Gujarat 362 001

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