Efficacy and economics of seed treatment and foliar spray with insecticides against Bagrada hilaris (Burmeister) in Indian mustard (Brassica juncea L.)

Abstract

Bioefficacy studies of various insecticides against painted bug on Indian mustard [Brassica juncea (L.)
Czern & Coss.] during 2013-14 and 2014-15 at CCS Haryana Agricultural University, Hisar, revealed that
seed treatment with imidacloprid 600 FS @ 5 ml/kg seed (mean per cent reduction over control 84.4%) was
most effective in managing painted bug population at initial stage of crop and it was found on par with
thiamethoxam 35 FS @ 5 ml/kg seed (mean per cent reduction over control 82.80%). Among the insecticides
applied as foliar spray, imidacloprid 17.8 SL (78.3%) and thimethoxam 25 G (76.2%) found to be most
effective, while dimethoate 30 EC (62.35%), profenophos 50 EC (63.76%), malathion 50 EC (63.3%),
chlorpyriphos 20 EC (60.3%) and quinalphos 20 EC (60.2%) were found moderately effective. The treatment
with nimbecidine was found least effective but superior over control (47.9%) against the painted bug. Based
on the economic returns imidacloprid 17.8 SL, imidacloprid 600 FS and thimethoxam 25 G were adjudged as
best treatments for the effective management of painted bug.