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Ovicidal activity of four plant extracts on Dysdercus koenigii Fabr. (Heteroptera : Pyrrhocoridae)


Ovicidal activity of four plant extracts on Dysdercus koenigii Fabr. (Heteroptera : Pyrrhocoridae)



Indian Journal of Entomology 55(4): 440-443



ISSN/ISBN: 0367-8288

Four plant extracts, Thionemone (Azadirachta indica preparation), heartwood extract (A. indica), extract of Swietenia macrophylla seed, and Calophyllum inophyllum, at 1.0, 2.5 and 5.0% were tested against 3 different stages of the egg (1-, 3- and 5-day-old) of Dysdercus koenigii by dipping. Statistically all the extracts were found to be equally effective and superior to control. There was no significant difference between the 3 concn tested in respect of the mortality of the eggs.

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Accession: 002666882

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