Herbicide evaluation in direct seeded rice in the middle Gangetic plains of India

A field experiment was conducted in Samastipur district of Bihar, India during kharif season of 2021 and 2022 to identify suitable herbicides for control of composite weed flora in direct seeded rice. Compared to weedy check, application of bispyribac sodium + pyrazosulfuron ethyl as tank mixture ef...

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Bibliographic Details
Published in:Weed biology and management 2024-12, Vol.24 (4), p.135-143
Main Authors: Upadhaya, Bharati, Tiwari, Ravindra Kumar, Kishor, Kaushal, Harsha, B. R., Singh, Sumit Kumar, Kumar, Sanjay, Kumar, Shailesh
Format: Article
Language:English
Subjects:
B:C ratio
direct seeded rice
Flora
Herbicides
Rice
Seasons
Seeding
Sodium
Weed control
weed management
Weeds
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Summary:A field experiment was conducted in Samastipur district of Bihar, India during kharif season of 2021 and 2022 to identify suitable herbicides for control of composite weed flora in direct seeded rice. Compared to weedy check, application of bispyribac sodium + pyrazosulfuron ethyl as tank mixture effectively reduced weed density at 50 days after seeding during both the cropping season (82% and 86%, respectively) and weed dry weight (7.62 and 7.18 g m−2, respectively) over control and as a result yielded maximum during both the cropping season (47.92 and 51.32 q ha−1, respectively). Based on overall performance, bispyribac sodium + pyrazosulfuron ethyl may be considered as viable weed management option in direct seeded rice for the rice growers of middle Indo‐Gangetic region.
ISSN:1444-6162
1445-6664
DOI:10.1111/wbm.12296