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Efficacy Of Herbicides In Non-Puddled Transplanted Rice Under Conservation Agriculture Systems And Their Effect On Establishment Of The Succeeding Crops

Author

Listed:
  • Taslima Zahan

    (Scientific Officer, OFRD, Bangladesh Agricultural Research Institute, Gazipur-1701, Bangladesh)

  • Abul Hashem

    (Department of Agriculture and Food, Western Australia, Australia)

  • Mm Rahman

    (Bangladesh Agricultural University, Mymensingh-2202, Bangladesh)

  • Richard W Bell

    (Murdoch University, Perth, Australia)

  • M Begum

    (Bangladesh Agricultural University, Mymensingh-2202, Bangladesh)

Abstract

Transplanting of rice seedlings in non-puddled soil under conservation agriculture systems is a new promising technology for which effective and economic weed control strategies have to develop. Therefore, a study was conducted in wet season rice during 2013 and 2014 with some commonly used pre- and post-emergence rice herbicides (pyrazosulfuron-ethyl, butachlor, orthosulfamuron, acetochlor + bensulfuron methyl, butachlor + propanil and 2,4-D amine) in strip tilled non-puddled field condition at Mymensingh, Bangladesh to evaluate their weed control efficacy singly or in sequences, their cost-effectiveness and residual effect on the succeeding crops like wheat and lentil. Sole application of herbicide was less effective to control all types of weed species than sequentially applied herbicides. Sequential application of pre- and late post-emergence, early post- and late post-emergence or pre-, early and late post-emergence herbicides controlled weeds by 46-98% and 43-95%, respectively in terms of weed density and biomass. Sequential application of pyrazosulfuron-ethyl followed by orthosulfamuron and butachlor + propanil provided the most effective and economic weed control under this new rice establishment practice. Moreover, the study suggested a range of effective herbicides for strip-tilled non-puddled wet season rice, but possible rotation of those herbicides in a sequential application is needed. Additionally, residue of those herbicides did not show any adverse effect on the succeeding crops of rice like wheat and lentil. However, further research is needed with various new molecules of herbicide and their residual effect on the subsequent crop as well as soil environment.

Suggested Citation

  • Taslima Zahan & Abul Hashem & Mm Rahman & Richard W Bell & M Begum, 2018. "Efficacy Of Herbicides In Non-Puddled Transplanted Rice Under Conservation Agriculture Systems And Their Effect On Establishment Of The Succeeding Crops," Acta Scientifica Malaysia (ASM), Zibeline International Publishing, vol. 2(1), pages 17-25, January.
    • Handle: RePEc:zib:zbnasm:v:2:y:2018:i:1:p:17-25
    DOI: 10.26480/asm.01.2018.17.25
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    References listed on IDEAS

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    1. Pandey, Sushil & Suphanchaimat, Nongluck & Velasco, Ma. Lourdes, 2012. "The Patterns of Spread and Economics of a Labor-Saving Innovation in Rice Production: the Case of Direct Seeding in Northeast Thailand," Quarterly Journal of International Agriculture, Humboldt-Universitaat zu Berlin, vol. 51(4), pages 1-24, November.
    2. Krishna, Vijesh V. & Mehrotra, Meera Bhatia & Teufel, Nils & Bishnoi, Dalip Kumar, 2012. "Characterizing the Cereal Systems and Identifying the Potential of Conservation Agriculture in South Asia," Socioeconomics Program Working Papers 147109, CIMMYT: International Maize and Wheat Improvement Center.
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    Cited by:

    1. Mohammad, Mobarak Hossain & Begum, Mahfuza & Bell, Richard W, 2022. "Land Use, Productivity, and Profitability of Traditional Rice–Wheat System Could be Improved by Conservation Agriculture," Research on World Agricultural Economy, Nan Yang Academy of Sciences Pte Ltd (NASS), vol. 3(2), May.
    2. Richard W. Bell & Md. Enamul Haque & M. Jahiruddin & Md. Moshiur Rahman & Mahfuza Begum & M. A. Monayem Miah & Md. Ariful Islam & Md. Anwar Hossen & Nazmus Salahin & Taslima Zahan & Mohammad Mobarak H, 2018. "Conservation Agriculture for Rice-Based Intensive Cropping by Smallholders in the Eastern Gangetic Plain," Agriculture, MDPI, vol. 9(1), pages 1-17, December.

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