فعالية بعض المستخلصات الكحولية و الماء المغلي و البارد لنباتي القرفة Cinnamomum zeylanicum L. و المينا الشجيري Lantana camera L. في مقاومة حشرة من الباقلاء الأسود Aphis fabae (Homoptera : Aphididae)‎

الملخص EN

This study was conducted in the laboratory of biological control, Technical College of Al- Mussaib during the year 2015.

The results of hot and cold water and alcoholic extracts on cinnamomum zeylanicum and Lantana camera at the first, second, third and fourth instars of Nymph and adult insect of Aphis fabae Scopoli showed significant differences between the treatments for concentration of 1.5% on all treatments.

The percentage of mortality for fourth Nymph phase 40.0% after 24 hour , while in the extraction of alcoholic was 33.3% at the fourth phase of Nymph of insects a in concentration of 1.5% .while the adults treatment was superiority in a concentration of 1.5% ethyle- alcohol extract for Lantana camera L.

compared to other treatments which reaching the mortality percentage of 33.3% after 24hours, while it reaching 30% at the same concentration when adults treated with Ethyl – Alcohol extract of Cinnamomum zeylanicum L.

The control treatment for both Nymphs and adults was 3.3 and 3.3% after 24 hour respectively.