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Residual activity of insecticides against Jassid, Amrasca biguttula biguttula Ishida on Cucumber Mahato Saraswati, Misra H.P. Department of Entomology, College of Agriculture, O.U.A.T., Bhubaneswar-751 003 (Odisha), India hara_agri@yahoo.co.in
Online published on 12 December, 2019. Abstract Tolfenpyrad 15 EC @ 150 g a.i./ha, cartap hydrochloride 50 SP @ 375 g a.i./ha and acephate 75 SP @ 375 g a.i./ha treatments emerged clearly superior over other insecticide treatments and untreated control in suppressing jassid population up to 15 days after spraying (DAS) during both the seasons. The number of jassids/5 leaves in 3 superior treatments varied from 1.17–1.44 and 1.33–1.67 with a reduction of 75.5 to 80.1 and 75.1 to 80.1% over control (5.67, 7.00) during kharif, 2016 and rabi, 2016–17 seasons, respectively at 15 DAS. Top Keywords Amrasca biguttula biguttula, Cucumis sativus, Management. Top | |
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