Agricultural Science Digest

  • Chief EditorArvind kumar

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Agricultural Science Digest, volume 37 issue 3 (september 2017) : 179-184

Effect of post-emergence herbicides on weed control, growth and yield of cluster bean [Cyamopsis tetragonoloba (L.) Taub.] in M.P.

Kalpana Sharma, G.S Rawat, Dharmendra Gaur, Anju Sharma
1Department of Agronomy, Rajmata Vijayaraje Scindia Krishi Vishwavidyalaya, Gwalior-474 002, Madhya Pradesh, India
Cite article:- Sharma Kalpana, Rawat G.S, Gaur Dharmendra, Sharma Anju (2017). Effect of post-emergence herbicides on weed control, growth and yield of cluster bean [Cyamopsis tetragonoloba (L.) Taub.] in M.P.. Agricultural Science Digest. 37(3): 179-184. doi: 10.18805/asd.v37i03.8991.
A field experiment was undertaken to evaluate the performance of different weed control treatments in cluster bean during kharif, 2015 in RBD with three replications. Treatment of weed free check was found best by recording highest values of yield attributes, seed (20.97 q/ha), stover (65.68q/ha) with maximum weed control efficiency at successive stages. Among different herbicides treatments, Imazethapyr + Imazamox @ 40 g/ha (PoE) at 20 DAS showed highest values of yield attributes, seed yield (19.59 q/ ha), stover yield (63.83 q/ ha), WCE (91.84, at 60 DAS) and minimum WI (6.0). In monetary terms significantly highest net return (Rs.86883 /ha) were obtained from weed free check, followed by imazethapyr + imazamox @ 40 g/ha (PoE) at 20 DAS (Rs.85398 / ha) and imazethapyr @ 75 g/ha (PoE), at 20 DAS (84394 Rs./ha). The maximum B:C ratio of 6.57 was recorded with treatment imazethapyr @ 75 g/ha (PoE), followed by imazethapyr+ imazamox @ 40 g/ha (PoE) 6.37.
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