Abstract
AbstractThe insecticidal and antifeedant effects of aqueous extracts from two common plants (black alder Alnus glutinosa and black elderberry Sambucus nigra) on the occurrence of flea beetles (Phyllotreta spp.), as well as lepidopteran pests like the diamondback moth Plutella xylostella, small white butterfly Pieris rapae, large white butterfly Pieris brassicae, cabbage moth Mamestra brassicae and the Plutella xylostella parasitoid complex were investigated on white cabbage in 2008-2009. Aqueous extracts of black elderberry Sambucus nigra significantly reduced numbers of flea beetles Phyllotreta spp., eggs of Pieris rapae and P. brassicae, and larvae and pupae of Plutella xylostella on the cabbage. The aqueous extract of Alnus glutinosa was less effective. Parasitoids had the greatest impact on reducing numbers of diamondback moth: the dominant species was Diadegma fenestralis. The smallest number of parasitoids was reared from pupae collected from plots where the cabbages had been sprayed with the Sambucus nigra extract.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
