Isolate some effective compounds in some medicinal plants and biological study on the effectiveness of certain economic insects life

Abstract

The purification and Extracts was vehicles Lawsone , Vasicine and Nicotine ofmedicinal plants henna Lawsonia inermis , Halk Al-Sabea Al-Shuejairy Adhatoda vasicaand tobacco Nicotiana tobacum by some diagnostic devices and Methods IR, UV, TLC,Melting point and some chemical tests have been studying the effect of theireffectiveness in economic life insect larvae house fly Musca domestica and Culexquinquefasciatus mosquitoes and rusted flour beetle Tripolium castneum and calculatethe Rate of kill cumulative , non-cumulative effectiveness of these vehicles, and resultsshowed superiority Vasicine compared to the rest of other vehicles whether cumulativeeffect Or non- cumulative night in the effectiveness Nicotine then Lawsone results alsoindicated that the most vulnerable phases was the first phase larvae and all transactionswhile the fourth phase larvae of mosquito Culex quinquefasciatus , Tripolium castneumare less affected , and the third phase larvae of Musca domestica are the least affected,and the results showed that Distortions appearance in the larval treatment withprolonging the number of days in the larvae phase .