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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- 47 | Issue-4 (Oct-Dec) | Year 2015

Effect of pre-emergence herbicides on weed growth and physiological traits of transplanted rice
P. Chandola, K. Bhandari and S.K. Guru
Full length articles | DOI: | Volume: 47 Page No:345-348 |
Address & Email | Article preview | View PFD | Download

Abstract:

Weed management practices in rice consisted of weedy check, hand weeding at 30 and 60 DAT, butachlorat 1.5 kg/ha and anilofos at 0.5 kg/ha. The experiment was part of a long term trial in rice – wheat cropping system conducted in a split plot design with three replications. Data on weed dry weight, crop growth and yield parameters were recorded at different growth stages. Herbicides were effective in reducing the growth of several weeds and improving the physiological status of the crop. Hand weeding twice recorded lowest weed dry weight at both 60 and 90 DAT during both the years (7.44 and 13.64g/m2, respectively). Butachlor and anilofos treatments recorded lower weed dry weight at 60 and 90 DAT as compared to weedy plot. Physiological parameters such as chlorophyll content and photosynthetic rate of the crop were higher in the herbicide treatments. 

Email

skguru123@yahoo.com

Address

Department of Plant Physiology, College of Basic Science and Humanities, G.B. Pant University of Agriculture and Technology, Pantnagar, Uttarakhand 263 145
Management of composite weed flora of transplanted rice by herbicides
B. Duary, K. Charan Teja and U. Soren
Full length articles | DOI: | Volume: 47 Page No:349-352 |
Address & Email | Article preview | View PFD | Download

Abstract:

The experiment comprising of twelve treatments was laid out in a randomized block design with three replications. Prominent weeds were Echinochloa colona and Digitaria sanguinalis among the grasses; Cyperus iria, among the sedges and Spilanthes acmella and Ludwigia parviflora among the broad-leaved weeds throughout the cropping period. Fenoxaprop-p-ethyl at 60 g/ha + metsulfuron-methyl + chlorimuron-ethyl at 4 g/ha at 25 DAT effectively controlled the grasses, broad-leaved and sedges at 50 DAT which was statistically at par with the azimsulfuron at 40 g/ha  at 20 DAT. The loss of grain yield of rice due to weed infestation was to the tune of 35-38%. Lower values of weed density, total weed dry weight and higher values of weed control efficiency, yield and net return of rice were registered with combined application of fenoxaprop-p-ethyl at 60 g/ha  + metsulfuron-methyl + chlorimuron-ethyl at 4 g/ha  at 25 DAT and was followed by sole application azimsulfuron at 40 g/ha  at 20 DAT. These treatments may be recommended for managing composite weed flora and obtaining higher yield and net return of transplanted Kharif (wet) rice in the lateritic belt of West Bengal, India.

 

Email

bduary@yahoo.co.in

Address

Institute of Agriculture, Visva-Bharati, Sriniketan, West Bengal 731 236
Herbicides for broad-leaved weeds management in wheat
R.S. Chhokar, R.K. Sharma, S.C. Gill and R.P. Meena
Full length articles | DOI: | Volume: 47 Page No:353-361 |
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Abstract:

Field and pot studies were conducted to identify the effective broad-leaf herbicides for wheat crop. In field study, pre-mix combination (1:4 w/w) of metsulfuron-methyl + carfentrazone-ethyl (Ally-express 50 DF) 22.5 to 25 g/ha with 0.2% (v/v) non-ionic surfactant (NIS) was better than without NIS and sole application of metsulfuron (4 g/ha), carfentrazone (20 g/ha) and 2,4-D-amine (750 g/ha). Carfentrazone was poor in controlling Lathyrus aphaca (meadow peavine), whereas metsulfuron was ineffective against Malva parviflora (little mallow) and Solanum nigrum (black nightshade). Metsulfuron-methyl + carfentrazone-ethyl effectively controlled these weeds, leading to increased wheat yield than metsulfuron and carfentrazone. In pot studies, growth regulator herbicide, 2,4-D-E was ineffective against S. nigrum and Physalis minima (groundcherry) but controlled by another growth regulator herbicide, dicamba. Carfentrazone 20 g, isoproturon 1000 g, metribuzin 250 g, dicamba 360 g and topramezone 50 g/ha effectively controlled S. nigrum and P. minima. Additional herbicides, effective against P. minima were metsulfuron 4 g, mesosulfuron + iodosulfuron 12 + 2.4 g/ha, pyroxsulam 18 g and sulfosulfuron 25 g/ha. Auxin herbicide, halauxifen-methyl-ester in combination with florasulam 12.76 (6.51 + 6.25) g/ha was also poor against S. nigrum and P. minima. Rumex dentatus control with 2,4-D (ester, amine and sodium) was poor, whereas, halauxifen + florasulam 12.76 g, metsulfuron 4 g and metsulfuron + carfentrazone 4 + 20 g/ha provided complete control.

Email

rs_chhokar@yahoo.co.in

Address

ICAR-Indian Institute of Wheat and Barley Research, Karnal, Haryana 132 001
Metribuzin + clodinafop-propargyl effects on complex weed flora in wheat and its residual effect on succeeding crop
Rohitashav Singh, A.P. Singh, Sumit Chaturvedi, Rekha, Ram Pal and Jodh Pal
Full length articles | DOI: | Volume: 47 Page No:362-365 |
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Abstract:

A field experiment was carried out at Norman E. Borlaug Crop Research Centre of G.B.P.U.A&T, Pantnagar during Rabi seasons of 2010-11 and 2011-12 to test the efficacy of different dosses of metribuzin 42% + clodinafop propargyl 12% WG against weeds in wheat. The soil of the experimental field was clay loam in texture, medium in organic carbon (0.67%), available phosphorus (29.6 kg/ha) and potassium (176.4 kg/ha) with pH 7.2. Results revealed that metribuzin + clodinafop-propargyl at 500-600 g/ha were as effective as two hand weeding at 30 and 50 DAS in reducing the weed density of Phalaris minor and Chenopodium album, Cornopus didymus, Melilotus spp., Rumex spp. and Fumaria parviflora at 30 and 60 days after application as compared to rest treatments. Maximum grain yield was recorded in metribuzin + clodinafop-propargyl WG at 600 g/ha which was statistically at par with its lower dose of 500 g/ha due to effective control of grassy and broad-leaved weeds in wheat.

Email

singh.rohitash5@gmail.com

Address

G.B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand 263 145
Conservation tillage and weed management effect on soil microflora of soybean–wheat cropping system
Priya Singh, C. Sarathambal, M.L. Kewat and V.P. Singh
Full length articles | DOI: | Volume: 47 Page No:366-370 |
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Abstract:

A field experiment was conducted during 2013-14 and 2014-15 at Jabalpur to assess the effect of conservation tillage and weed management practices on the total bacteria, fungi, actinomycetes and dehydrogenase activity under soybean - wheat cropping system in vertisols. The results of the investigation revealed that tillage systems to influence significantly the microbial population. Among the tillage treatments, zero tillage + crop residue (soybean) fb zero tillage + crop residue (wheat) had higher bacterial, fungal population and dehydrogenase activity during both the seasons. But actinomycetes population was higher in zero tillage + crop residue (soybean) fb zero tillage (wheat) during both seasons. However, there was no adverse effects of herbicides use in soybean-wheat cropping system on microbial population during both crop seasons except Rabi season 2014 -15 in which bacterial population was reduced by 27.3% when mesosulfuron (12 g/ha) + iodosulfuron (2.4 g/ha) mixture was applied in wheat following application of pendimethalin (750 g/ha) fb imazethapyr (100 g/ha) in preceding  soybean crop.

Email

chauhanpriyasingh1804@gmail.com

Address

ICAR-Directorate of Weed Research Jabalpur Madhya Pradesh 482 004
Influence of pinoxaden in combination with other herbicides on nutrient depletion by weeds in wheat
Pawan Katara, Suresh Kumar and S.S. Rana
Full length articles | DOI: | Volume: 47 Page No:371-375 |
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Abstract:

Pinoxaden 50 g/ha alone and as tank mixture with and before metsulfuron-methyl 4 g/ha, carfentrazone ethyl 20 g/ha and 2, 4-D 500 g/ha was compared to isoproturon + 2, 4-D, clodinafop fb 2, 4-D, weed free and weedy check for nutrient depletion by weeds and wheat. Phalaris minor and Anagallis arvensis were the major weeds constituting 60.8 and 21.4% of total weed population, respectively. Pinoxaden fb metsulfuron-methyl (50 fb 4 g/ha) remaining at par with pinoxaden + metsulfuron-methyl (50 + 4 g/ha) and pinoxaden + 2,4-D (50 + 500 g/ha) resulted in significantly lower total weed dry weight over rest of the herbicidal treatments. Pinoxaden + metsulfuron-methyl (50 + 4 g/ha) and pinoxaden fb metsulfuron-methyl (50 fb 4 g/ha) were as effective as weed free in reducing N, P and K uptake by weeds. Weeds in weedy check removed 37.4 kg/ha N, 6.9 kg/ha P and 46.8 kg/ha K. Weed free remaining at par with pinoxaden + metsulfuron-methyl (50 + 4 g/ha), pinoxaden fb metsulfuron-methyl (50 fb 4 g/ha) and pinoxaden fb 2, 4-D (50 fb 500 g/ha) resulted in significantly higher wheat dry matter accumulation over rest of the treatments. Weed free gave highest grain yield. However, pinoxaden + metsulfuron-methyl (50 + 4 g/ha), pinoxaden (50 g/ha), pinoxaden + carfentrazone-ethyl (50 + 20 g/ha), pinoxaden fb metsulfuron-methyl (50 fb 4 g/ha), isoproturon + 2, 4-D (1250 + 500 g/ha), clodinafop fb 2, 4-D (60 fb 1000 g/ha), pinoxaden + 2, 4-D (50 + 500 g/ha), pinoxaden fb carfentrazone-ethyl (50 fb 20 g/ha) and pinoxaden fb 2, 4-D (50 fb 500 g/ha) were as good as weed free.

Email

pawan_katara@ymail.com

Address

Department of Agronomy, Forages and Grassland Management, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur, Himachal Pradesh 176 062
Control of weeds in canola gobhi sarson cultivars and their tolerance to herbicides
Simerjeet Kaur, M.S. Bhullar, Surjit Singh and Tarlok Singh
Full length articles | DOI: | Volume: 47 Page No:376-378 |
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Abstract:

A field study was carried out at the Punjab Agricultural University, Ludhiana for two seasons to study the weed control in three canola gobhi sarson cutlivars and tolerance of these cultivars to different herbicides. Three canola gobhi sarson cultivars ‘GSC 5’, ‘GSC 6’ and ‘Hyola PAC 401’ in main plots and five weed control treatments -fluchloralin at 0.75 and 1.5 kg and trifluralin at 0.75 and 1.5 kg/ha and hand weedings in sub-plots were evaluated in a split plot design. Fluchloralin and trifluralin at 0.75 and 1.5 kg/ha recorded effective control of annual weeds and recorded canola seed yield similar to hand weeded control. All the three cultivars of canola gobhi sarson tolerated both the herbicides at 0.75 and 1.5 kg/ha. The study indicated that fluchloralin and trifluralin could safely be used to control weeds in canola gobhi sarson cultivars ‘GSC 5’, ‘GSC 6’ and ‘Hyola PAC 401’

Email

simer@pau.edu

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab 141 004
Post-emergence herbicides effect on weeds, yield and economics of Bt cotton
R. Veeraputhiran and G. Srinivasan
Full length articles | DOI: | Volume: 47 Page No:379-382 |
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Abstract:

A total of eight treatments were evaluated in a randomized block design (RBD) with three replications. The treatments consisted of pre-emergence application of pendimethalin (30.0% EC) at 1.0 kg/ha + 1 hoeing on 45 DAS, post-emergence application of quizalofop-ethyl 50 g/ha (30 DAS) + 1 hoeing, pendimethalin at 1.0 kg/ha fb quizalofop-ethyl 50 g/ha + 1 hoeing on 45 DAS, post-emergence application of pyrithiobac-sodium 62.5 g/ha (30 DAS) + 1 hoeing on 45 DAS, combination of pyrithiobac-sodium 62.5 g/ha + quizalofop-ethyl 50 g/ha + 1 hoeing on 45 DAS, glyphosate 1.0 kg/ha (45 DAS) as directed spray and control plots of weed free check and unweeded check. The results revealed that application of pre-emergence herbicide pendimethalin at 1.0 kg/ha at 3 DAS followed by post-emergence herbicide (quizalofop-ethyl 50 g/ha at 30 DAS) + one hoeing or combined post-emergence application of pyrithiobac-sodium + quizalofop-ethyl + one hoeing on 45 DAS recorded lesser weed population and weed dry weight and higher weed control efficiency with lower weed index. These treatments were also comparable with pre-emergence application of pendimethalin + 1 hoeing. Higher yield attributes, viz. number of sympodia per plant, number of bolls per plant and boll weight and seed cotton yield were also registered by these treatments. The yield reduction due to weeds accounted 44.8 and 80.3%  during 2012-13 and 2013-14, respectively The economic analysis indicated that higher total income, net income and benefit–cost ratio were associated with pre-emergence application of pendimethalin followed by post-emergence application of quizalofop-ethyl + one hoeing, combined post-emergence application of pyrithiobac-sodium + quizalofop-ethyl + one hoeing and pre-emergence application of pendimethalin + 1 hoeing in both the years of study.

Email

veeraagri@yahoo.co.in

Address

veeraagri@yahoo.co.in
Chemical weed control in barley
G.S. Buttar, Sudeep Singh, Tarundeep Kaur and S.S. Punia
Full length articles | DOI: | Volume: 47 Page No:383-385 |
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Abstract:

A field experiment was conducted during the Rabi season of 2008-09 and 2009-10 on sandy loam soils of research farm of Regional Station, Bathinda to find out response of different varieties of barley and various combinations of herbicides on growth, weed dry matter and grain yield of barley under semi arid conditions of Punjab. The experiment was laid out in split plot design with two varieties in main plots and 12 different herbicide combinations in sub plots. The grain yield had no significant difference with respect to two varieties but it varied significantly with various combinations of herbicides. The maximum mean grain yield i.e. 3.46 t/ha was recorded in pinoxaden + metsulfuron 50 + 4 g/ha (T4) followed by metsulfuron fb pinoxaden 4 + 50 g/ha, metsulfuron fb pinoxaden 4 + 45 g/ha and lowest (2.31 t/ha) in control. The dry weight of weed flora was significantly higher in control plots as compared to other treatments during both the years and no significant difference was observed in both the varieties with respect to dry weight of weed flora.

Email

buttargs@rediffmail.com

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana 141 004
Bioefficacy and phytotoxicity of herbicides in greengram and their residual effect on succeeding mustard
S.S. Punia, Dharambir Yadav, Anil Duhan and Mohammad Irfan
Full length articles | DOI: | Volume: 47 Page No:386-389 |
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Abstract:

Weed flora of experimental field was dominated with Echinochloa colona during Kharif 2012 and Trianthema portulacastrum during Kharif 2013. Post-emergence application of imazethapyr at 70 g/ha and its ready mixture with imazamox at 60-80 g/ha although provided excellent (80-90%) control of weeds but caused 23-35% injury to greengram in initial stages in terms of yellowing of leaves and stunted crop growth up to 7 DAT which mitigated to 5-7% up to 45 DAS, without any yield reductions. Pre-emergence application of pendimethalin+ imazethapyr (ready mix) at 1000 g/ha provided season long control (75-82%) of weeds in greengram. During both years, seed yield was maximum (1.50 and 1.58 t/ha, respectively) in weed free treatment which was at par with post-emergence application of imazethapyr at 50 and 70 g/ha and imazethapyr + imazamox (ready mix)  at 60 g/ha in 2012 but significantly higher than all herbicide treatments in 2013. Imazethapyr and its ready mix combination irrespective of dose did not cause any injury to succeeding mustard crop after harvest of greengram.

Email

puniasatbir@gmail.com

Address

Department of Agronomy, CCS Haryana Agricultural University, Hisar, Haryana 125 004
Integrated weed management in chilli under rainfed condition
B.N. Gare, P.U. Raundal and A.V. Burli
Full length articles | DOI: | Volume: 47 Page No:390-392 |
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Abstract:

A field experiment was conducted during Kharif 2010, 2011 and 2012 at Agricultural Research Station, Gadhinglaj under rainfed condition in sub-montane zone of Maharashtra. The experiment consisting of eight treatments, viz. two pre-emergence and one post-emergence herbicides alone and in combination with one hoeing and one weeding with weed free and weedy check was laid out in randomized block design with three replications. The predominant weed flora observed in the experimental field was dicot weeds. The result revealed that pre-emergence application of pendimethalin + 1 hoeing + 1 hand weeding recorded minimum weed density, weed biomass and weed index as compared with all treatments. Gross and net returns were significantly higher with pendimethalin + 1 hoeing + 1 hand weeding which was at par with butachlor + 1 hoeing +1 hand weeding and superior over rest of treatments. Higher weed control efficiency and B: C ratio were recorded by the same treatments.

Email

puraundal@gmail.com

Address

Agricultural Research Station, Gadhinglaj, Kolhapur, Maharashtra 416 502
Integrated weed management in turmeric
D.K. Roy and Dharminder
Full length articles | DOI: | Volume: 47 Page No:393-396 |
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Abstract:

Field experiments were conducted during Kharif 2012-13 and 2013-14 at the Research farm of Rajendra Agricultural University Bihar, Pusa to find out effective and economical approaches for weed management in turmeric. The grassy weeds present in the experimental field were Cynodon dactylon, Echinocloa colona and Dactyloctenium aegyptium. Cyperus rotundus was only sedge and Chenopodium album, Cannabis sativa, Parthenium hysterophorus, Phyllanthus niruri and Caesulia auxillaris were the broad-leaved weeds. The lowest weed count, weed dry weight and the highest number of tillers per plant, number of leaves per plant and rhizome yield of turmeric were recorded by the weed free (hand weeding at 25 and 45 DAS). The highest rhizome yield (52.05 t/ha) was recorded under weed free which was statistically at par with atrazine 0.75 kg/ha fb fenoxaprop 67 g/ha+ metsulfuron 4 g/ha (50.65 t/ha). The highest weed control efficiency (84.62%) was recorded under the treatment weed free which was closely followed by atrazine 0.75 kg/ha fb fenoxaprop 67 g/ha+ metsulfuron 4 g/ha (78.9%) and pendimethalin 1.0 kg/ha fb fenoxaprop 67 g/ha + metsulfuron 4 g/ha (78.6%). The highest B:C ratio was recorded with application of atrazine 0.75 kg/ha fb fenoxaprop at 67 g/ha + metsulfuron 4 g/ha, which was statistically at par with weed free, pendimethalin 1.0 kg/ha fb fenoxaprop at 67 g/ha + metsulfuron 4 g/ha and metribuzin 0.7 kg/ha fb fenoxaprop at 67 g/ha + metsulfuron 4g/ ha.

Email

r_dhirendra_krroy@yahoo.com

Address

Rajendra Agricultural University, Pusa, Samstipur, Bihar 848 125
Control of Italian ryegrass by pre- and post-emergence herbicides in barley
Khalid S. Alshallash
Full length articles | DOI: | Volume: 47 Page No:397-400 |
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Abstract:

In two glasshouse experiments, range of herbicides was applied as pre- or post-emergence to examine their effect in controlling Italian ryegrass (Loluim multiflorum) grown with barley. In experiment 1, treatment by one of the three herbicides named, chlorotoluron, controlled Italian ryegrass (L. multiflorum) \significantly (P<0.01). However, the three herbicides differed significantly (P<0.05) in their dose. Chlorotoluron gave effective control of L. multiflorum at dose of 2 kg/ha with less than 10% of mean of ryegrass plants/pot survived and only a slight damage on barley was observed. Isoproturon and methabenzthiazuron were less effective in controlling the weed as more than 30% of L. multiflorum plants survived at different doses applied while barley plants were not affected significantly by the chemicals. In experiment 2, two herbicides diclofop-methyl or pendimethalin were applied as post-emergence treatment. The herbicide diclofop-methyl achieved an effective control of Italian ryegrass associated with barley even at rates as low as 0.25 kg/ha. Mean of ryegrass numbers and fresh weight (20 plants)/pot were decreased significantly and only few plants of L. multifloruim survived at 1 kg/ha, however, they were very small in size and badly damaged. Barley plants were not damaged by diclofop-methyl treatments at all applied doses. Pendimethalin created a significant effect (P=0.05) on ryegrass numbers/pot or fresh weight (20 plants/pot) at doses, 0.125 or 0.25 kg/ha. However, at 1 kg/ha there was about 40% reduction in weed numbers/pot and its fresh weight (20 plants/pot), which indicate low control effect of this chemical. There was no evidence of damage to barley plants by pendimethalin at all tested rates.

Email

kalshallash@su.edu.sa

Address

College of Sciences, Shaqra University, Saudi Arabia 11911
Use of botanical herbicides in system intensification
R.K. Ghosh, D. Shamurailatpam, A. Ghosh, S. Sentharagai, A. Labar, D. Nongmaithem, P.K. Jana, S. Ghosh and R.K. Kole
Full length articles | DOI: | Volume: 47 Page No:401-407 |
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Abstract:

Ten field experiments were conducted at Viswavidyalaya farm during 2004 - 14 in system intensification methodology on SRI rice (Oryza sativa), groundnut (Arachis hypogea), soybean (Glycine max), rapeseed (Brassica campestris), sesame (Sesamum indicum), greengram (Vigna mungo) and blackgram (Vigna aureus) crops grown in inceptisols following annual planning of weed management to find out the efficacy of botanical extracts. In all experiments varied treatments 5-12 numbers were used in RBD with 3-5 replications in plot size 3-4 x 5 m. The botanical extracts (BE) of different plants with 0.25% Tween 80 surfactants were used at 5, 10 and 100% at pre-emergence (PE) in moist soil along with two mechanical weeding (MW) at 20 and 40 DAP. Weedy check (WC), hand weeding (HW) at 20 and MW at 40 days after planting (DAP), pre-emergence (PE)  herbicides at 1-2 DAP pretilachlor at 500 g/ha, alachlor at 1500 g/ha or pendimethalin at 750 g/ha + MW at 30 DAP and post-emergence (POE) herbicides quizalofop-ethyl or fenoxaprop-p-ethyl at 50 g/ha at 20 DAP + MW at 40 DAP were also used in different crops as standard check. The experiments on rapeseed and soybean during 2004-05 showed PE Eucalyptus leaf extract attributed 11.2% higher seed yield over WC besides two HW and pendimethalin. During 2010-11 in experiment on SRI rice, the grain yield was 6.35 t/ha in HW, 5.35 t/ha in CC, 5.16 t/ha in Tectona methanol extract while 3.44 t/ha in WC. In another experiment during 2010-11 on sesame, green and blackgram, the botanical extract of Ageratum conyzoides recorded higher growth and yield in sesame and blackgram while Ocimum sanctum extract among the botanicals in greengram exhibited higher harvest index, oil content and also soil nutrient status. In groundnut during 2012, average pod yield of botanical treatments was 32.5% (summer) and 42.5% (Kharif) which was higher than WC. Experiment on SRI rice during 2012-13 revealed that maximum WCE was obtained from HW (91%) followed by chemical control CC (84%) and BE (78%) compared to three MW (67%), two MW (53%) over WC. The mean grain yield data showed that HW recorded 88% followed by CC (79%), BE (76%), three MW (67%) and two MW (36%) over control. The maximum WCE was obtained from HW (91%) followed by CC (84%) and BE (78%) compared to 3 MW 67% and 2 MW 53%.

Email

drajr1956@gmail.com

Address

Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, Nadia, West Bengal 741 252
Forecasting of herbicide consumption using autoregressive integrated moving average model
Yogita Gharde
Full length articles | DOI: | Volume: 47 Page No:408-410 |
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Abstract:

A study was conducted on modelling and forecasting the time series data of total herbicide consumption in India. Among many time series methodology, Box-Jenkins Autoregressive Integrated Moving Average (ARIMA) model was used for modelling and forecasting purposes using data from 1990 to 2010. Before the modelling, stationarity of the data was checked using Augmented Dicky Fuller test. Best model was chosen using two criterion viz. Akaike information criterion and Schwarz’s Bayesian criterion. ARIMA (0, 1, 1) model was found to the best among many models from ARIMA family. Forecasting was done using the best model and prediction for total herbicide consumption in India was made for next three year (2011, 2012, 2013) as 6624, 6581 and 6562 tonnes respectively.

Email

yogitagharde@gmail.com

Address

ICAR-Directorate of Weed Research, Jabalpur, Madhya Pradesh 482 004
Biological activity of red wriggler earthworm on different ratio of weed and dung as mixtures substrate
Anu Verma and Irvinder Kaur
Full length articles | DOI: | Volume: 47 Page No:411-413 |
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Abstract:

his study identifies the utilization of common weed Chenopodium murale as raw material for vermiculturing. Growth and cocoon production in each mixture was recorded weekly for 18 weeks. Significant variations in food preference were observed in worm when the cattle dung was mixed with weed in different combination. The present study revealed that addition of weed in cow dung not only enhanced the growth of the worm but also increased cocoon production thus providing a possible tool towards proper utilization of weed for production of value added product.

Email

ikkocharbot@gmail.com

Address

Department of Botany, SGN Khalsa P.G. College, Sri Ganganagar, Rajasthan 335 001
Herbicide combinations for control of complex weed flora in transplanted rice
Siddhant Kailkhura, Tej Pratap, V.P. Singh, S.K. Guru and S.P. Singh
Short communications | DOI: | Volume: 47 Page No:414-416 |
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Abstract:

Among the weed control treatments, herbicidal combinations of pre-emergence application of pendimethalin 1000 g/ha fb post-emergence application of bispyribac-sodium 25 g/ha and post-emergence application of readymix of penoxsulam + cyhalofop-butyl 135 g/ha were found most effective in controlling weed infestation with the highest weed control efficiency and grain yield.

Email

drtpsingh2010@gmail.com

Address

G.B. Pant University of Agriculture & Technology, Pantnagar, Uttarakhand 263 145
Floristic composition and weed diversity in rice fields
J. Nithya and D. Ramamoorthy
Short communications | DOI: | Volume: 47 Page No:417-421 |
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Abstract:

The Floristic composition of weeds in five different rice field around Vanur taluk of Villupuram district, Tamil Nadu, India was studied from November 2010 to April 2011. A total of 56 weed species belonging to 23 families was identified. Out of this 37 species in Kiliyanur, 38 species in Konthamur, 45 species in Thensiruvallur, 30 species in Thailapuram, and 32 species in Aadhanapattu were identified. An important value index for each weeds species was calculated to find dominance. Bergia capensis, Cynodon dactylon, Cyperus difformis, Eclipta alba, Echinochloa colona, Marsilea quadrifolia were dominant weeds species. Considering species diversity, Thensiruvallur village rice field was highly diverse of weed species compared to other fields. From the six month observations, it was found that weed growth occurs within forty one days after rice sowing. The perennial weeds created the most serious problem in rice fields.

Email

d.ramamoorthy01@gmail.com

Address

Department of Ecology and Environmental Sciences, Pondicherry University, Pondicherry
Bioefficacy of clodinafop-propargyl + metsulfuron-methyl against complex weed flora in wheat
Ankit Tiwari, Brijesh Kumar Verma, Jai Dev and Raj Kumar
Short communications | DOI: | Volume: 47 Page No:422-424 |
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Abstract:

The field experiment was conducted during Rabi season of 2012-13 at Faizabad to study the bio-efficacy of clodinafop-propargyl + metsulfuron-methyl and some other new herbicide molecules against complex weed flora in wheat. Significant reduction density was recorded at different stages of crop growth due to effect of different treatments. As far as the narrow leaved (P. minor) and BLWs were concerned, both type of weeds were effectively controlled by application of clodinafop-propargyl + metsulfuron-methyl 400 g/ha at 32 DAS which was proved superior with respect to number of effective shoots/m2 (0.32) and grain yield (3.95 t/ha) of wheat over rest of the other herbicidal treatments. Lower value of weed index was calculated in clodinafop-propargyl + metsulfuron-methyl 400 g/ha (1.45%) followed by other herbicidal treatments.

Email

ankit.0768@gmail.com

Address

Department of Agronomy, Narendra Deva University of Agriculture and Technology, Kumarganj, Faizabad, Uttar Pradesh 224 229
Indian hemp : An emerging weed of wheat fields in Punjab
Navjyot Kaur, Pervinder Kaur and Makhan S. Bhullar
Short communications | DOI: | Volume: 47 Page No:425-427 |
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Abstract:

Wheat fields of three agro-climatic zones, viz. submontane zone (districts Roopnagar and Hoshiarpur), central zone (Jalandhar, Kapurthala, Shaheed Bhagat Singh Nagar, Ludhiana and Moga) and arid irrigated zone (districts Bathinda, Muktsar and Faridkot) were surveyed for recording weed flora during the month of March in 2014 and 2015. The major weed flora included four broad-leaf weeds Cannabis sativa, The most noteworthy change was increase in the frequency of C. sativa over two years. C. sativa which was earlier a weed of non-cropped areas has started infesting wheat fields also. The frequency of C. sativa in districts Ludhiana, Kapurthala, Jalandhar and Hoshiarpur increased from 30.8-54.6% in 2014 to 45.6-83.6% in 2015. In districts Roopnagar, Shaheed Bhagat Singh Nagar and Moga, the frequency of this weed increased from 0-10.6% in 2014 to 11.9-19.8% in 2015. The survey indicated that C. sativa is likely to become a major weed of wheat in near future in four districts viz., Ludhiana, Kapurthala, Jalandhar and Hoshiarpur.

Email

navjyot_grewal@yahoo.com

Address

Department of Agronomy, Punjab Agricultural University, Ludhiana, Punjab 141 004
Weed control in sesamum with pre-emergence herbicides
A.S. Jadhav
Short communications | DOI: | Volume: 47 Page No:428-429 |
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Abstract:

.

Email

asjadhav31@rediffmail.com

Address

Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani, Maharashtra 431 402
Potassium salt based glyphosate effect on cotton yield and quality
N. Viji, K. Siddeswaran, C. Chinnusamy and P. Janaki
Short communications | DOI: | Volume: 47 Page No:430-431 |
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Abstract:

A field investigation was carried out at Eastern Block farm, Tamil Nadu Agricultural University, during winter season of 2011-12 to evaluate the new formulation of potassium salt based glyphosate (Roundup Crop Shield 460 SL) on seed cotton yield and quality parameters in winter irrigated cotton. Experimental results revealed that higher seed cotton yield was obtained with POE glyphosate at 1800 g/ha at 35 and 70 DAS with + IC at 45 and 55 DAS which was comparable with PE pendimethalin at 750 g/ha + IC at 45 and 55 DAS. While comparing, intercultural operation carried out treatments performed better and recorded more seed cotton yield than the treatments without intercultural operation, Cotton fibre quality in glyphosate applied plots was showed similarity with hand weeding, hand weeder weeding and power weeder weeding, shows that POE glyphosate application did not affect the quality parameters.

Email

mathumitha08@gmail.com

Address

Department of Agronomy, Tamil Nadu Agricultural University, Coimbatore Tamil Nadu 642 003
Weed management with new generation herbicides in maize
K. Swetha, M. Madhavi, G. Pratibha1 and T. Ramprakash
Short communications | DOI: | Volume: 47 Page No:432-433 |
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Abstract:

Topramezone + atrazine at 25.2 + 250 g/ha + methylated seed oil MSO (adjuvant) or tembotrione + atrazine at 105 + 250 g/ha + stefes mero (adjuvant) as post-emergence, atrazine at 1.0 kg/ha followed by intercultivation at 30 DAS and intercropping of maize with cowpea and pendimethalin at 1.0 kg/ha as pre-emergence reduced the weed density and weed biomass significantly at 20 DAS.

Email

swethakota55@gmail.com

Address

Department of Agronomy, Professor Jayashankar Telangana State Agricultural University, Rajendranagar, Hyderabad, Telangana 500 030
Use of post-emergence herbicides to control weeds in ramie plantation
Mukesh Kumar, A.K. Ghorai, M. Ramesh Naik, D.K. Kundu and S. Mitra
Short communications | DOI: | Volume: 47 Page No:434-437 |
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Abstract:

Imperata cylindrica was the dominant grass weed (42-46%) followed by Cynodon dactylon (10%) and Cyperus rotundus (8-12%). Weed infestation throughout growing season of ramie reduced the fibre yield up to 51%. Significant reduction in weed density and dry weight was recorded in both quizalofop-ethyl at 40 g/ha and quizalofop-ethyl at 60 g/ha with weed control efficiency of 72-77% and weed index of 11-15%. The highest fibre yield was recorded in weed free treatment (470-504 kg/ha/cut) which was statistically at par with that of quizalofop-ethyl at 40 g/ha and quizalofop-ethyl at 60 ml/ha treatments (400-447 kg/ha/cut), respectively. Significant reduction of plant height of ramie was observed in ethoxysulfuron at 20 g/ha at initial growth stage. Quizalofop-ethyl at 40 g/ha or quizalofop-ethyl at 60 g/ha followed by one hand weeding may be applied for effective weed control in ramie.

Email

mukesh.agro@gmail.com

Address

ICAR-Central Research Institute for Jute and Allied Fibres, Barrackpore, West Bengal 700 120
Phytotoxic evaluation of wasteland weed species
Disha Jaggi, Mayank Varun and Bhumesh Kumar
Short communications | DOI: | Volume: 47 Page No:438-441 |
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Abstract:

To characterize the phytotoxic potential, a laboratory experiment was conducted by considering some prominent wasteland weeds like Parthenium hysterophorus, Croton bonplandianum, Cassia occidentalis, Cassia obtusifolia, Calotropis procera, and Tephrosia purpurea. Aqueous leachates of leaf and root of different concentrations (50 and 100%) were tested against seed germination and seedlings growth of wheat and barley, as test plants. High concentration (100%) of leaf leachates showed remarkable inhibition on seed germination, radicle and plumule length and decreased biomass respectively, closely followed by the 50% concentration of leaf leachates. Maximum inhibition (> 70.00%) was recorded in 100% concentration of P. hysterophorus, C. occidentalis and C. obtusifolia leaf leachates as compared to root leachates (< 65.00%) except P. hysterophorus and similar trend of inhibition in radicle, plumule length and biomass was recorded. Root leachates showed least inhibitory effects at 50% concentration whereas 100% root leachates were comparatively more effective than 50% leaf leachates. A statistically significant interaction between leachates, concentrations and plants (P < 0.001) was observed; hence a significant inhibition was seen at higher concentration of leaf leachates. Inhibition potential of considered weeds clearly indicates the presence of phytotoxic chemicals in their tissues that supports them in establishment, competing and replacement of surrounding flora.

Email

disha.jaggi@gmail.com

Address

Department of Botany, St. John’s College, Agra, Uttar Pradesh 282 002
Response of Isachne to herbicides using bioassay techniques
A.P. Suada and T. Girija
Short communications | DOI: | Volume: 47 Page No:442-444 |
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Abstract:

A study was conducted during 2014-2015 in College of Horticulture, Vellanikkara, Thrissur to understand response of the Isachne miliacea to common herbicides. Sensitivity of the weed to pre-and post-emergence herbicides were tested using seed and whole plant bioassay techniques, respectively. The pre-emergence herbicides butachlor and oxyfluorfen gave the best results. Among post-emergence herbicides, effective control was observed for azimsulfuron, cyhalofop-butyl and fenoxaprop-p-ethyl. The weed was found to be resistant to pyrazosulfuron. Regrowth was observed after two weeks for bispyribac sodium and penoxsulam. All the non-traditional rice herbicides tested, viz. glyphosate, diuron, paraquat, glufosinate ammonium gave excellent control of the weed.

Email

girijavijai@gmail.com

Address

Department of Plant Physiology, College of Horticulture, Kerala Agricultural University, Vellanikkara, Thrissur 680 656

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