Field efficacy of some selected insecticides against whitefly, Bemisia tabaci, a vector of yellow mosaic disease in greengram
DOI:
https://doi.org/10.59797/jfl.v33i3.600Keywords:
Greengram, Imidacloprid, ThiamethoxamAbstract
Yellow mosaic disease (YMD) is one of the most destructive diseases of greengram popularly known as the yellow plague of Kharif pulses. The present study was conducted to know the effect of some selected insecticides on vector whitefly, Bemisia tabaci and the incidence of YMD. Two years of pooled data revealed that thiamethoxam 25 WG and imidacloprid 17.8 SL recorded lowest population of whiteflies (0.80 and 1.16) per trifoliate leaf and lowest per cent disease incidence 2.28 and 2.48, respectively. Similarly, these insecticide-treated plots recorded higher grain yield (9.81 and 9.20 q/ha) and C: B ratio (1:3.01 and 1:2.99), respectively. Overall, the study indicated that insecticides were efficient in reducing the whitefly population there by reducing YMD incidence in greengram.
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