Investigations on Repellent and Insecticidal Effects of Xanthium strumarium L. on Colorado Potato Beetle Leptinotrasa decemlineata Say (Col: Chrysomelidae)

Authors : Suzan ÇETİNSOY, Ali TAMER

Pages : 543-552

View : 15 | Download : 10

Publication Date : 1998-12-01

Article Type : Research Paper

Abstract :The repellent effects of the extracts of Xanthium strumariumfruits and leaves dilueted with 1/6, 1/8, 1/10 water insert ignore into journalissuearticles values(w/v); for fruits and 1/6, 1/8 insert ignore into journalissuearticles values(w/v); for leaves were investigated with randomised plot design and 25 replicates under laboratory conditions. Insecticidal effect was also studied in laboratory. It was found that insecticidal effect was low, where as repellent effect was quite high. On the other hand, the effect of 1/6 concentration of fruit extract against adult and larvae of Colorado Potato Beetle was investigated under field conditions and the repellent effect was confirmed.
Keywords : Turk J Agric For, 22, 1998, 543 552 Turk J Agric For, vol 22, iss 6