EVALUATION OF SOME INSECTICIDES AND NEEM OIL AGAINST JASMINE BLOSSOM MIDGE

P.M.M. DAVID; A. MOHAMED HANIFA and S. NATARAJAN

doi:https://doi.org/10.29321/MAJ.10.A01724

Madras Agricultural Journal

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EVALUATION OF SOME INSECTICIDES AND NEEM OIL AGAINST JASMINE BLOSSOM MIDGE

Author: P.M.M. DAVID, A. MOHAMED HANIFA and S. NATARAJAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 79, Issue: jan-jan,

DOI:https://doi.org/10.29321/MAJ.10.A01724

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Abstract

A field experiment was conducted in Rameswaram island to study the effectiveness of certain Insecticides and neem oil against blossom midge, Contarinia sp. which caused purple discolouration and drying of flower buds in Jasminum sambac. The results indicated that monocrotophos 0.1% was superior to other insecticides and neem oil in reducing the discolouration. Cypermethrin 0.012%, fenpropathrin 0.05%, fenvalerate 0.02%, chlorpyriphos, 0.05%, dimethoate 0.06% and neem oil 2% were moderately effective.

Keywords: Blossom midge, Jasmine, Neem oil, Insecticides

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