Glycoalkaloids as pest resistance factors |
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| Authors: | Ward M Tingey |
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| Institution: | 1. Department of Entomology, Cornell University, 14853, Ithaca, New York
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| Abstract: | Potato glycoalkaloids, a class of steroid glycosides, possess antimicrobial and pesticidal properties. These phytochemicals have been implicated as natural resistance factors inSolanum species against the Colorado potato beetle,Leptinotarsa decemlineata Say, and the potato leafhopper,Empoasca fabae (Harris). Adverse effects of these secondary metabolites on insect behavioral and developmental biology are described, as well as considerations in manipulation of foliar glycoalkaloids in breeding for varietal resistance to insects. |
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