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Vol. 11, Issue 2 (2022)

Weeds of direct-seeded rice influenced by herbicide mixture

Author(s):
Badal Verma, Manish Bhan, AK Jha, Shahiba Khatoon, Monika Raghuwanshi, Lalita Bhayal, MP Sahu, Rajendra Patel and Vikash Singh
Abstract:
The present study was carried out at Research Farm, Jawaharlal Nehru Krishi Vishwa Vidyalaya, Jabalpur (M.P.) during the Kharif season of 2019. The experiment was laid out in Split Plot Design with two agro-ecosystems in the main plot and eight weed control treatments in sub plot and three replications. The study revealed that dominant weeds associated with direct-seeded rice in the experimental field were mainly comprised of monocot (Echinochloa colona, Cynodon dactylon), dicot (Alternanthera sessilis) and sedge (Cyperus iria) throughout the crop growing period. The post emergence application of bispyribac sodium at 25 g a.i./ha being as good as weed-free check provided almost complete control of complex weed flora and it was better than other weed control treatments. However, the lowest values of density and dry weight of weeds were recorded in two hand weedings done at 20 and 40 DAS. Lower values of weed density and weed dry weight along with improved weed control efficiency was registered with bispyribac sodium at 25 g a.i./ha, which was statistically at par with fenoxaprop-p-ethyl 6.7% EC + penoxsulam 24% SC at 60+26.7 g a.i./ha under both the rainfed and irrigated agro-ecosystems.
Pages: 1080-1082  |  505 Views  298 Downloads


The Pharma Innovation Journal
How to cite this article:
Badal Verma, Manish Bhan, AK Jha, Shahiba Khatoon, Monika Raghuwanshi, Lalita Bhayal, MP Sahu, Rajendra Patel, Vikash Singh. Weeds of direct-seeded rice influenced by herbicide mixture. Pharma Innovation 2022;11(2):1080-1082.

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