Review of environmental toxins polls in mortality or canola cabbage aphid (Brevicoryne brassicae) in Golestan Province

Rapeseed aphid Brevicoryne brassicae among the key pests of canola in Iran is considered the direct and indirect losses caused by plant diseases and viruses are transmitted. In this study the sensitivity of these aphids to pesticides Oxydemton methy, and more Pirimicarb and Trichlorofen that pesticides are recommended for controlling this pest, were studied. Biometric immersion technique leaves a toxic solution, was performed. The LC50 obtained for Oxydemton methyl 20.234, Pirimicarb 28.734 and Trichlorofen 96.434 ppm, respectively. These results show that the greatest impact on aphid PirimicarbOxydemton methy and rapeseed.