Effect of some plants extracts and Malathuon on the biology Tribolium castaneum (Herbst)

Abstract

This study deals with the effect of some plants extracts Trigonella foenum graecum)،Eugenia caruophilata, Eruca sativa miller) by using the solvent Ethanol by (1000,2000,4000,6000,8000,10000) ppm/adult in order to know with effectiveness when mixed with the Malathuon in rates of (1-2) and (1-5) on Tribolium castaneum H. Results showed that all plant extracts helped in raising the activity of Malathuon up on the insect . Extracts of Trigonella foenum graecum. come first in their activity on Malathuon as mixed in the proportion of (1-2),(1-5).