Efficacy of Some Insecticides and Plant Extract against Black Bean Aphid, and Green Peach Aphid, Aphis Fabae Myzus persicae (A
: An experiment was conducted at College of Agriculture-University of Muthana to evaluate effectiveness of three commercial insecticide (cypermethrin, alpha-cypermethrin and mixture of Grand and C-More 3:5) in comparison with sow thistle extract Euphorbia peplus against the black bean aphid and green peach aphid . The cypermethrin was more effective than alpha Aphis fabae Myzus persicae - cypermethrin against resulting in the higher mortality while ag