OVICIDAL ACTION OF INSECTICIDES AND MOULTING INHIBITOR ON THE EGGS OF RICE EARHEADBUG Leptocorisa oratorius FABRICIUS

N. RAJU; M. GOPALAN and G. BALASUBARMANIAN

doi:https://doi.org/10.29321/MAJ.10.A02102

Madras Agricultural Journal

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OVICIDAL ACTION OF INSECTICIDES AND MOULTING INHIBITOR ON THE EGGS OF RICE EARHEADBUG Leptocorisa oratorius FABRICIUS

Author: N. RAJU, M. GOPALAN and G. BALASUBARMANIAN,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 75, Issue: mar-apr,

DOI:https://doi.org/10.29321/MAJ.10.A02102

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Abstract

Fenthion 0,01% was the most effective ovicide followed by phosphamidon 0.045% and malathion 001% in bringing high mortality of eggs of earhead bus. Cypermethrin 0,01%. permethrin 0.0125%. fenvalerate 0.01% and deltamethrin 0.00125% also exhibited high level of ovicidal action on eggs of earhead bug. Diflubenzuron @ 200 ppm had ovicidal action on eggs of earhead bug.

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