مطالعه مقايسه اي تاثير عصاره هاي روغني برگچه ها، گل ها و ميوه هاي درختان چريش AZADIRACHTA INDICA A. JUSS و زيتون تلخ MELIA AZEDARACH L بر عليه حشرات بالغ شيشه گندم SITO PHILUS ORANARIUS L

Different parts (leaflet, flower and fruit) of neem and Persian lilac trees (Meliaceae) extracted with soxhlet apparatus. The antifeeding effect of oil extracts was tested against adult grain weevil. The fruit oil extracts of neem and Persian lilac and flower oil extract of neem caused 96, 56 and 50 percent mortality in aduit grain weevils, respectively, where it was 14 percent for control treatment. The differences between means of mortality was significant at P>%5.