تأثير بعض المساحيق النباتية في السيطرة على حشرة خنفساء الحبوب الشعرية Trogodermagranarium

Abstract EN

The study showed the effect of lethal concentration and effective repellents for three seeds plant powders are Rue Peganumharmala , Radish Raphanussativus and Celery Apinumgraveoleson the killer of the adults insect Trogodermagranariumand by three concentration ( 1 , 3 , 5 ) grams w / w of the powders mixed with grains of wheat Triticumaestivumand after 72 hours of treatment was effect killed insect account .The highest mortality percentage were recorded in Celery powder 100% at a concentration 5g and after 72 hours of treatment , while the lowest rate mortality in a powder Rue 60% at the same concentration and the same duration of exposure above.

As it has been the repellent effect of insect in the same concentration above after 48 hours of treatment , as the results showed significant differences between the concentration of plant powders , as well as the results showed the superiority Celery powder at a concentration of 5g as repellent rate 75% and thus exceeds the powdery Radish and Rue as the percentage of repellent the powdery at a concentration of 5g 65% and 48% receptively.