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Research Article Open access CC BY 4.0

Comparative Efficacy of Biopesticides and Insecticides against Flea Beetle (Phyllotreta cruciferae Goeze & Monolepta signata Olivier), Infesting Brassica rapa L. in Odisha

Saswati Parija, Lopamudra Biswal

Journal of Advances in Biology & Biotechnology · pp. 971–981 · Published 19 Nov 2024

10.9734/jabb/2024/v27i111681

Abstract

The field trial carried out against the flea beetle (Phyllotreta cruciferae Goeze and Monolepta signata Olivier) infesting rapeseed-toria (Brassica rapa L.) revealed that spinetoram 11.7% SC @ 500 ml/ha applied at 15 days interval (Three times) was comparatively effective among the tested treatments in suppressing flea beetle. This was followed by Lecanicillium lecanii CFU 1X109 per ml @2500 ml/ha, Chlorantraniliprole 18.50% SC @150 ml/ha, Diafenthiuron 50% WP @600 g/ha, Azadirachta indica 300 ppm @2500 ml/ha and Bacillus thuringiensis 3.5% ES @2500 ml/ha. The treatment, diafenthiuron 50% WP @600 g/ha was found to be relatively safe towards natural enemies viz. coccinellids, syrphids and spiders.

Biopesticides flea beetle coccinellids syrphids natural enemies rapeseed-toria

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