大白菜蚜虫是我区秋白菜种植之大敌,由于多年使用乐果、敌敌畏等农药,蚜虫的抗药性不断增强,本试验欲求高效、低毒、经济的取代农药。特选用50％抗蚜威进行了防治试验。 试验材料:Pirmicard(通用名称) 1、50％抗蚜威(又称辟蚜雾)Pirimor可湿性粉剂[英国卜内门化学有限公司(ICI Co.)产] 2、40％乐果乳油(山西化学农药厂 Chinese cabbage aphid is the enemy of autumn cabbage planting in our district. Due to years of use of dimethoate and dichlorvos pesticides, the resistance of aphids has been continuously increasing. This experiment is intended to replace pesticides with high efficiency, low toxicity and economy. Preference to use 50% pirimicarb prevention and control test. Test Materials: Pirmicard 1,50% Pirimor WPI (Produced by ICI Co.) 2,40% dimethoate (Shanxi, China) Chemical pesticide factory