volume 31 issue 1 (march 2011) : 58 - 61
INTEGRATED WEED MANAGEMENT IN AEROBIC RICE (Oryza sativa L.)
1Agricultural Research Station,
U.A.S., Kathalagere- 577 219, India.
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Agricultural Science Digest
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volume 31 issue 1 (march 2011) : 58 - 61
INTEGRATED WEED MANAGEMENT IN AEROBIC RICE (Oryza sativa L.)
1Agricultural Research Station,
U.A.S., Kathalagere- 577 219, India.
ABSTRACT
Field experiment was conducted during Summer 2008 and kharif 2008 under aerobic condition at Agricultural Research Station, Kathalagere, Davangere, Southern transition zone of Karnataka. The study consisted of 8 treatments viz., Weedy check, Hand weeding at 20 and 40 DAS, Pyrazosulfuron @ 25 g a.i./ha at 5 DAS, Pyrazosulfuron @ 25 g a.i./ha at 5 DAS + T2, Butachlor @ 1.0 kg a.i./ha at 5 DAS, Butachlor @ 1.0 kg a.i./ha at 5 DAS + T2, Sunrice (Ethoxysulfuron) @ 20 g a.i./ha at 20 DAS and Sunrice (Ethoxysulfuron) @ 20 g a.i./ha at 20 DAS + Hand weeding at 40 DAS. The application of Pyrazosulfuron @ 25 g a..i./ha at 5 DAS and one hand weeding at 20 and 40 DAS recorded significantly higher grain yield (5082 and 4305 kg/ha in summer and kharif, respectively). The weedy check recorded significantly lower grain and straw yield (93 and 100 kg/ha, respectively) during summer. Infestation of weeds in kharif caused complete failure of crops.
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In this Article
APC
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Published In
Agricultural Science Digest