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Indian Journal of Agricultural Research, volume 41 issue 2 (june 2007) : 102 - 106

SEASONAL INCIDENCE OF PREDATOR MENOCHILUS SEXMACULATUS (BERLINER) ON BRINJAL AND HARMFUL EFFECT OF INSECTICIDES ON THE PREDATOR

Sunil Kr. Ghosh, N. Laskar, S.K. Senapati

Affiliations

¹Department of Agricultural Entomology, Uttar Banga Krishi Viswavidyalaya, Pundibari, Cooch Behar - 736 165, India

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Cite article:- Ghosh Kr. Sunil, Laskar N., Senapati S.K. (2024). SEASONAL INCIDENCE OF PREDATOR MENOCHILUS SEXMACULATUS (BERLINER) ON BRINJAL AND HARMFUL EFFECT OF INSECTICIDES ON THE PREDATOR. Indian Journal of Agricultural Research. 41(2): 102 - 106. doi: .

ABSTRACT

The predator, Menochilus sexmaculatus (Fb.) in terai region of West Bengal was found active throughout the year and highest population was recorded (9.0/plant) on 13th standard week. Population of Menochilus sexmaculatus (Fb.) showed negative correlation with temperature, relative humidity and rainfall. Field evaluation revealed that the insecticides from biological origin were relatively less harmful to the predator than synthetic insecticides. The pathogen Bacillus thuringiensis ver. kurstaki (Berliner) was less harmful and caused lower killing of the predator (36.58% killing), whereas the synthetic insecticide, DDVP caused higher killing (60.32% killing).

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REFERENCES

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SEASONAL INCIDENCE OF PREDATOR MENOCHILUS SEXMACULATUS (BERLINER) ON BRINJAL AND HARMFUL EFFECT OF INSECTICIDES ON THE PREDATOR

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