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2004•Indian Journal of Agricultural ResearchRequires access

SEASONAL FLUcrUATION OF APHIS GOSSYPIIGLOV. ON BRINJAL AND HELD EVALUATION OF SOME PESTICIDES AGAINST A. GOSSYPII UNDER TERAI REGION OF WEST BENGAL

Sunil K. Ghosh, Nripendra Laskar, S. K. Senapati

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Abstract

Aphid (Aphis gossypii Glov.), in terai region of West Bengal was found active throughout the year and highest population was recorded (94.08/leaf) in early August. Population of aphid showed significant positive correlation with average temperature, relative humidity and weekly rainfall. Field evaluation of some pesticides from different origins (synthetic and biological) against A. gossypii Glov. of brinjal in terai region of West Bengal revealed that DDVP was found relatively more effective against aphid on brinjal (67.74% control), followed by avermectin (66.59% control) and malathion (63.35% control).

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What this paper is about

Aphid (Aphis gossypii Glov.), in terai region of West Bengal was found active throughout the year and highest population was recorded (94.08/leaf) in early August. Population of aphid showed significant positive correlation with average temperature, relative humidity and weekly rainfall. Field evaluation of some pesticides from different origins (synthetic and biological) against A. gossypii Glov. of brinjal in terai region of West Bengal revealed that DDVP was found relatively more effective against aphid on brinjal (67.74% control), followed by avermectin (66.59% control) and malathion (63.35% control).

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Available abstract

Aphid (Aphis gossypii Glov.), in terai region of West Bengal was found active throughout the year and highest population was recorded (94.08/leaf) in early August. Population of aphid showed significant positive correlation with average temperature, relative humidity and weekly rainfall. Field evaluation of some pesticides from different origins (synthetic and biological) against A. gossypii Glov. of brinjal in terai region of West Bengal revealed that DDVP was found relatively more effective against aphid on brinjal (67.74% control), followed by avermectin (66.59% control) and malathion (63.35% control).

Key concepts: Aphis gossypii, Aphid, Malathion, West bengal, Toxicology, Veterinary medicine, Biology, Population

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SEASONAL FLUcrUATION OF APHIS GOSSYPIIGLOV. ON BRINJAL AND HELD EVALUATION OF SOME PESTICIDES AGAINST A. GOSSYPII UNDER TERAI REGION OF WEST BENGAL — Research Paper | ScholarLens