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Efficacy of newer insecticides against sucking pests of rice fallow blackgram (Vigna mungo L.)

DOI: 10.18805/IJARe.A-5093    | Article Id: A-5093 | Page : 700-703
Citation :- Efficacy of newer insecticides against sucking pests of rice fallow blackgram (Vigna mungo L.).Indian Journal of Agricultural Research.2018.(52):700-703
K. Swathi, P. Seetharamu, S. Dhurua and M. Suresh swathikolli.535@gmail.com
Address : Department of Entomology, Agricultural College, Naira, Srikakulam-532 185, Andhra Pradesh, India.
Submitted Date : 24-07-2018
Accepted Date : 29-09-2018

Abstract

A field experiment was conducted to determine the efficacy of different insecticides against sucking pests viz., thrips, Caliothrips indicus Bangall and whitefly Bemisia tabaci Gennadius, infesting blackgram in North coastal Andhrapradesh at Agricultural College, Naira during rabi 2017-2018.The experimental results revealed that all the treatments showed significant differences in reducing the population of sucking pests over untreated check. Among the tested insecticides, thiacloprid 21.7 SC @ 0.0325% was found to be highly effective against thrips by reducing74.80 per cent thrips population followed by acetamiprid 4 % + fipronil 4% @ 2ml l-1 with 70.81 per cent over untreated control, whereas  flonicamid 50 WG @ 0.0325% was  very effective against  the  population of whitefly byreducing 72.19 per cent and lowest per cent disease incidence (17.66%) followed by acetamiprid 4% + fipronil 4% @ 2ml l-1 (64.94%) and thiamethoxam 25 WG @ 0.005% (62.21%) which were on par with each other over control. 

Keywords

Blackgram Efficacy Newer insecticides Population Thrips Whitefly YMV.

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