Abstract:
This study aims to propose alternative solutions based on the use of natural products" bio
pesticide base of plants, to fight againist the damage of the black bean aphid ,
To meet this objective, we evaluated the toxicity of methnoic extract of aromtic plant,
nicotiana glauca, on Aphis fabae adults
The results reval that methnoic extract of Nicotiana glauca wich we prepare has a toxicite for
the Blackbeean aphid ,we conclus that the leaves of this plant rich on nicotine wich causes
100% of moratality of black bean aphid on second day
