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

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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