International Journal of Agricultural Sciences

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Evaluation of Efficacy of Post - Emergence Herbicides for Weed Control in Soybean under Marathwada Region


Affiliations
1 Department of Agronomy, Marathwada Agricultural University, Parbhani (M.S.), India
2 Department of Agronomy, College of Agriculture (M.P.A.U.), Phaltan (M.S.), India
3 Department of Horticulture, College of Agriculture (M.P.A.U.), Phaltan (M.S.), India
     

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An investigation was undertaken to evaluate the efficacy of post emergence herbicides for weed control in soybean under Marathwada region at department of Agronomy, Marathwada Agricultural University, Parbhani during the Kharif season of the year 2010. Highest number of pods plant-1 (40.62), number of grains pod-1 (2.22), seed weight plant-1 (12.18g), 100 seed weight (13.50 g), seed yield (2888 kg ha-1) and straw yield (3570 kg ha-1) were recorded in treatment (T10) weed free check (2 HW+2 hoeing at 3rd and 5th WAS). Followed by pendimethalin PE @ 750 g a.i.ha-1+1 HW at 30 DAS, number of pods plant-1 (38.66), number of grains pod-1 (2.18), seed weight plant-1 (10.53g), 100 seed weight (12.50g), seed yield (2820 kg ha-1) and straw yield (3503 kg ha-1). Amongst the post-emergence herbicides treatment (T8) imazethapyr POE @75 g a.i.ha-1 at 21 DAS recorded highest number of pods plant-1 (38.25), number of grains pod-1 (2.14), seed weight plant-1 (09.86g), 100 seed weight (12.05g), seed yield (2705 kg ha-1) and straw yield (3416 kg ha-1) as compared to other herbicidal treatments.

Keywords

Soybean, Post Emergence, Weeds Control.
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  • Evaluation of Efficacy of Post - Emergence Herbicides for Weed Control in Soybean under Marathwada Region

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Authors

D. A. Kulal
Department of Agronomy, Marathwada Agricultural University, Parbhani (M.S.), India
G. S. Dhaigude
Department of Agronomy, College of Agriculture (M.P.A.U.), Phaltan (M.S.), India
S. S. Adat
Department of Horticulture, College of Agriculture (M.P.A.U.), Phaltan (M.S.), India

Abstract


An investigation was undertaken to evaluate the efficacy of post emergence herbicides for weed control in soybean under Marathwada region at department of Agronomy, Marathwada Agricultural University, Parbhani during the Kharif season of the year 2010. Highest number of pods plant-1 (40.62), number of grains pod-1 (2.22), seed weight plant-1 (12.18g), 100 seed weight (13.50 g), seed yield (2888 kg ha-1) and straw yield (3570 kg ha-1) were recorded in treatment (T10) weed free check (2 HW+2 hoeing at 3rd and 5th WAS). Followed by pendimethalin PE @ 750 g a.i.ha-1+1 HW at 30 DAS, number of pods plant-1 (38.66), number of grains pod-1 (2.18), seed weight plant-1 (10.53g), 100 seed weight (12.50g), seed yield (2820 kg ha-1) and straw yield (3503 kg ha-1). Amongst the post-emergence herbicides treatment (T8) imazethapyr POE @75 g a.i.ha-1 at 21 DAS recorded highest number of pods plant-1 (38.25), number of grains pod-1 (2.14), seed weight plant-1 (09.86g), 100 seed weight (12.05g), seed yield (2705 kg ha-1) and straw yield (3416 kg ha-1) as compared to other herbicidal treatments.

Keywords


Soybean, Post Emergence, Weeds Control.

References