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Chemical characterization of the aphid antifeedant extracts from Dittrichia viscosa and Ferula communis
7 páginas, 1 figura y 4 tablas estadĂsticasThe plant defensive activities of the hexane and ethanolic extracts from Dittrichia viscosa
and Ferula communis against generalist herbivorous insects (Spodoptera littoralis and Myzus
persicae), are described here. Additionally we tested for their effects on nematodes
(Meloidogyne javanica) and plants (Lactuca sativa and Lolium perenne). These plant extracts
showed variable biological effects, their aphid antifeedant action being the most important.
The bioassay-guided search for aphid antifeedant compounds resulted in the isolation
of tomentosin (1), inuviscolide (2) and ferulenol (3). Tomentosin (1) rich extracts of
D. viscosa were more active than ferulenol (3) rich extracts from F. communisMICINN (CTQ2009-14629-C01)Peer reviewe