ANTIFEEDANT EFFECT OF MAYTANSINOIDS FROM THE SEEDS OF TREWIA NUDIFLORA ON INSECT PESTS
-
-
Abstract
Maytansinoids including Trewiasine,Trenudine and Treflorine isolated from the seeds of Trewia nudiflora L.have strong antifeedant effect on Plutella xylostella(Linnaeus).71.5%, 86.71% and 87.37% of the antifeedant efficiency were obtained by using 50ppm of them,respectively.10ppm Trenudine has 57.71% antifeedant efficiency on Plutella xylostella and 0.5% alcohol extracts has 68.5% effect.
-
-