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Survey on weedy rice (Oryza spp.) management practice and adoption of Clearfield® rice technology in Peninsular Malaysia

Published online by Cambridge University Press:  26 February 2021

Masilamany Dilipkumar Open the ORCID record for Masilamany Dilipkumar [Opens in a new window] ,
Muhammad Saiful Ahmad-Hamdani ,
Hairazi Rahim ,
Tse Seng Chuah  and
Nilda Roma Burgos
Masilamany Dilipkumar*
Affiliation:
Senior Research Officer, Rice Research Center, Malaysian Agricultural Research and Development Institute (MARDI), MARDI Seberang Perai, Kepala Batas, Pulau Pinang, Malaysia
Muhammad Saiful Ahmad-Hamdani
Affiliation:
Associate Professor, Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
Hairazi Rahim
Affiliation:
Senior Research Officer, Socio Economic, Market Intelligence and Agribusiness Research Centre, MARDI, Serdang, Selangor, Malaysia
Tse Seng Chuah
Affiliation:
Associate Professor, Faculty of Plantation and Agrotechnology, University of Teknologi Mara, Arau, Perlis, Malaysia
Nilda Roma Burgos
Affiliation:
Professor, University of Arkansas, Fayetteville, AR, USA
*
Author for correspondence: Masilamany Dilipkumar, Malaysian Agricultural Research and Development Institute (MARDI), MARDI Seberang Perai, 13200 Kepala Batas, Pulau Pinang, Malaysia. Email: dilip@mardi.gov.my
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Abstract

A total of 452 rice farmers from three main granary areas of Muda Agricultural Development Authority (MADA), Kemubu Agricultural Development Authority (KADA), and Integrated Agricultural Development Area Barat Laut Selangor (IADA BLS) were surveyed in 2019. The goal was to determine farmers’ knowledge of and management practices for weedy rice (Oryza spp.) as well as the adoption level of Clearfield® rice technology (CRT) in Malaysia. Most farmers (74%) were adept at recognizing weedy rice. The majority of farmers (77%) perceived transplanting and water seeding rice systems as the best options to manage weedy rice, while only 10% of the farmers adopted CRT. The low level of adoption of this technology was due to several constraints, including the high cost of the CRT package and occurrence of imidazolinone (IMI)-resistant weedy rice in their farms. Farmers from MADA and IADA BLS reported the occurrence of IMI weedy rice in their farms for more than nine planting seasons, whereas those from KADA reported having resistant weedy rice for five to six planting seasons. The main factor contributing to the evolution of IMI-resistant weedy rice was ignorance about the technology and deliberate disregard of stewardship guidelines. The survey revealed that there is a need to increase awareness about CRT through training and educational programs for proper adoption of this technology.

Keywords

Herbicide-resistant riceherbicide-resistant weedsimidazolinone-resistant ricerice farmerstewardship guidelines
Type
Special Issue Article
Information
Weed Science , Volume 69 , Issue 5 , September 2021 , pp. 558 - 564
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Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the Weed Science Society of America

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Footnotes

Associate Editor: William Vencill, University of Georgia

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