Bio-Efficacy of selected chemicals, bio-agents and botanical against the jasmine budworm, Hendecasis duplifascialis Hampson (Lepidoptera: Crambidae)

H SAMATA, G KESHAVAREDDY, C. N LAKSHMINARAYANA REDDY, K.S JAGADISH, K.H. NAGARAJ

Abstract


The efficacy of different insecticides, botanical and bio-agents against jasmine bud worm, Hendecasis duplifascialis Hampson revealed that flubendiamide 39.35%SC @ 0.3ml/l, profenophos 50%EC @ 1.5ml/l and
cypermethrin 5%EC @ 0.4ml/l emerged as most promising treatments in managing bud worm from three trials during July to September, 2018. Thiacloprid 21.7% SC @ 1.5 ml/lt and thiodicarb 75 WP @ 1g/l had moderate effect in bringing down bud worm infestation. Among bio-agents, Beauveria bassiana 1×108 spores/ml @ 1ml/l proved better than Bacillus thuringenesis 17,600IU/mg@1ml/l and also chemical insecticide treatments viz., thiacloprid and thiodicarb in controlling bud worm and relatively safe to farmers and workers who were involved in buds harvesting on a daily basis. Azadirachtin 0.5% @3ml/lt did not give satisfactory reduction in bud worm damage


Keywords


Bio-efficacy, Hendecasis duplifascialis, Jasminum multiflorum

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