تأثير بعض المستخلصات و الزيوت النباتية في نسبة هلاك بالغات بعض حشرات المخازن

Abstract EN

This study was conducted for testing the effect of some extract and plants oil for (Thyme, cayenne pepper, garlic and olive) against the adults rice weevil khapra beetle.

The result showed that the percentage of mortality of that adults of rice weevil and Khapra beetle (9.62, 11.92%, 12.03 and 14.12%) respectively, at the treatment of ethyl alcohol thyme extract at concentration 1500 ppm.

While the percentage of the mortality for two insects (11.04 , 12.30, 13.16, 14.52%) respectively at the treatment in extracted of ethyl alcohol cayenne pepper at concentration 1500 ppm.

A high signification of cayenne peeper extract in mortality of the adults.

While the treatment of oil plants increased of mortality of adults in rice weevil and Khapra beetle insects (10.02, 11.94 , 11.42, 13.96%) respectively at the treatment oil plants of olive oil at concentration 1500ppm.

While the percentage of mortality (13.16, 14.45, 14.96,16.72%) respectively at the treatment with garlic oil which showed significantly of mortality of the two adults insects.