تأثير تراكيز مختلفة من مبيد Fenpyroximate على نمو أدوار الحلم ذوالبقعتين Tetranychus urticae (Koch)‎ و باختلاف المدة الزمنية

الملخص EN

This study was done to know the effect of different concentration of the pesticide (Fenpyroximate) on two spotted spider mite, The four concentration of the pesticide were(0.0, 0.25, 0.50, 1.0)ml on all mite growth stages (egg, larva, nymph, adult) and during different period time (1, 2, 3, 24) hours on the leaves of the castor plant.

The experiment had been done in one of the laboratory of the Agriculture Collage/ Babylon University, from 1/3/2007 to 1/7/2007.

at the room temperature.

The results from this experiment is found significant to different concentration of mortality rate, also the statistic analysis showed at significant P>0.05 in concentration (0.25,0.50,1.0)ml, they give it higher to concentration(0.0)ml, not found any significant different between the concentration (0.50,1)ml, we found the mortality rate of all the stages of mite was100% in concentration (0.50,1)ml after three and twenty four hour from treatment.