This article Citation:

Pintu Mewada, S.K. Chaudhary, Anoop Kumar Rathore and Y. Singh2. 2016. Optimization of suitable weed management practices for aerobic rice . Indian Journal of Weed Science : 48( 1) 64- 66.







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Volume Issue Publication year Page No Type of article
48 1 2016 64-66 Short communications
Optimization of suitable weed management practices for aerobic rice

Pintu Mewada, S.K. Chaudhary, Anoop Kumar Rathore and Y. Singh2

DOI: http://dx.doi.org/10.5958/0974-8164.2016.00014.9

Email: anprathore@gmail.com
Address: Department of Agronomy, Rajendra Agricultural University, Pusa, Bihar 848 125

Keywords:

Aerobic rice, Hand weeding, Herbicides, Weed control efficiency



Abstract:

A field experiment was carried out at the Agricultural Research Farm, Rajendra Agricultural University, Pusa, Samastipur, Bihar (India), during Kharif season of 2012. The experiment involved 14 weed management treatments laid out in randomized block design with three replication. The highest grain yield (3.95 t/ha) was recorded with hand weeding twice at 20 and 40 DAS and lowest under weedy check (1.73 t/ha). Similar trend was observed in straw yield. Among different combination of herbicides, application of pretilachlor at 750 g/ha at 1 DAS fb azimsulfuron at 35 g/ha at 20 DAS was the best combination and comparable with hand weeding. Maximum weed control efficiency and weed control index were recorded under treatment hand weeding twice at 20 and 40 DAS and minimum under weedy check. However, weed density and weed dry weight were found maximum under weedy check and minimum with hand weeding twice at 20 and 40 DAS.





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