A field experiment was conducted at Agricultural Research Station, Mandor, Agriculture University, Jodhpur during Kharif, 2019 to identify the efficacy of herbicides to managing weeds and increase yield of kharif groundnut [Arachis hypogaea (L.)]. An experiment was laid out in randomized block design (RBD) with thirteen treatments such as weedy check, pre- and post-emergence herbicides and weed free check with three replication. Results indicated that among herbicide treatments application of pendimethalin + imazethapyr at 1.0 kg /ha (PE) + one manual weeding at 30 DAS significantly reduced total weed density and dry weight of weeds (broad- leaved, grassy and sedge) and increased weed control efficiency at all crop growth stages followed by pendimethalin at 1.0 kg /ha (PE) + imazethapyr at 75 g /ha at 20 DAS. Whereas, lowest weed index (4.8) and higher pod yield (3424 kg/ha) was recorded with pendimethalin + imazethapyr at 1.0 kg /ha (PE) + one manual weeding at 30 DAS followed by pendimethalin at 1.0 kg /ha (PE) + imazethapyr at 75 g/ ha at 20 DAS.

Weed density, Weed dry weight, Weed control efficiency, Weed index, Yield

On the basis of present investigation concluded that herbicidal weed management in groundnut through application pendimethalin @ 1.0 kg/ha (PE) + imazethapyr @ 75 g/ha 20 DAS and pendimethalin + imazethapyr @ 1.0 kg/ha (PE) + one manual weeding at 30 DAS were found most effective for reducing weed density and weed dry weight and conducive for obtaining higher pod yield.

Priyanka, M. L. Mehriya and U. N. Shukla (2023). Efficacy of Herbicides for Weed Control in Kharif Groundnut [Arachis hypogaea (L.)]. Biological Forum – An International Journal, 15(8): 293-299.