Host plant stimulation of detoxifying enzymes in a phytophagous insect |
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Authors: | S.J. Yu R.E. Berry L.C. Terriere |
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Affiliation: | Department of Entomology, Oregon State University, Corvallis, Oregon 97331 USA |
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Abstract: | The midgut microsomal aldrin epoxidase of variegated cutworm larvae (Peridroma saucia, Hübner) fed bean or peppermint leaves was up to 10 and 45 times more active, respectively, than that of larvae fed a basic control diet. Large increases in oxidase activity and cytochrome P-450 levels also occurred in larvae fed mint plant constituents such as menthol menthone, α-pinene, and β-pinene. Mint-fed larvae were more tolerant of the insecticide, carbaryl, than bean-fed larvae. |
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