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Genetic Variability And Gene Flow Of The Fall Armyworm Spodoptera Frugiperda (J.E. Smith) In The Western Hemisphere And Susceptibility To Insecticides, Difabachew B. Kondidie
Genetic Variability And Gene Flow Of The Fall Armyworm Spodoptera Frugiperda (J.E. Smith) In The Western Hemisphere And Susceptibility To Insecticides, Difabachew B. Kondidie
Department of Entomology: Dissertations, Theses, and Student Research
The fall armyworm (FAW), Spodoptera frugiperda (J. E. Smith) (Lepidoptera: Noctuidae), is an economically important pest of maize, sorghum, cotton, and rice in the Western Hemisphere. Previous studies on genetic diversity of FAW focused on identification of the corn and rice host strains; there is limited information about geographic genetic variation. To bridge this gap, I investigated the genetic diversity of FAW using representative samples from the United States, Argentina, Panama, and Puerto Rico with amplified fragment length polymorphism (AFLP). This study also investigated the susceptibility of the Puerto Rico FAW population to ten different insecticides used by Dow AgroSciences …