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|Title:||Comparison of Insecticide Resistant and Susceptible Populations of Spodoptera litura Fab.|
|Abstract:||Esterase activity of various populations of Spodoptera litura, collected from cotton fields of different regions of Tamil Nadu, was compared using a- and f3-naphthyl acetate as substrates for enzyme reaction. Among the ten populations analyzed, five populations showed elevated activities for esterases. The RAPD-PCR analysis of resistant and susceptible populations revealed the existence of polymorphism. Specific amplification for esterase gene using custom made primers produced amplified product in resistant populations.|
|ISSN:||0975-0967 (Online); 0972-5849 (Print)|
|Appears in Collections:||IJBT Vol.02(4) [October 2003]|
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