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Title: Comparison of Insecticide Resistant and Susceptible Populations of Spodoptera litura Fab.
Authors: Janarthanan, S
Seshadri, S
Kathiravan, K
Ignacimuthu, S
Keywords: Spodoptera litura;Esterase;RAPD-PCR
Issue Date: Oct-2003
Publisher: NISCAIR-CSIR, India
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.
Page(s): 539-542
ISSN: 0975-0967 (Online); 0972-5849 (Print)
Appears in Collections:IJBT Vol.02(4) [October 2003]

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