تأثير تراكيز مختلفة من المعلق البوغي للفطر Isaria fumosorosea (Wize)‎ في مقاومة حشرة من الخوخ الأخضر Myzus persicae (Sulzer)‎ (Homoptera : Aphididae)‎ مختبريا

Abstract EN

The research was carried out to test the effect of spore suspension of Isaria fumosorosea in some biological performance of the Myzus persicae in laboratory.

The results showed significant effect on the percentage of mortality, with rates of 51.8, 58.3 and 69.5% for the nymphs stage, while it recorded 46.9, 52.8 and 61.6% for the adult stage and for the concentrations 1 × 10 4, 1 × 10 6 and 1 × 10 8 spores / ml respectnely, compared with 16.7 and 12.3% for nymphs and adults respectively in the control treatment, The results Showed decrease in adult productivity where it decreased from 6.67 nymph / female in control treatment to 3.67 nymph / female at 1 × 10 4 spores / ml.

Female productivity in other concentrations was not calculated because of sufficient number of insects did not reach the adult stage.