分别采用点滴法和浸叶法对甜菜夜蛾相对敏感品系进行毒力测定，建立常用杀虫剂的敏感毒力基线。
The relative susceptible toxicity baselines of S. exigua to major insecticides in the laboratory condition were established with topical application and leaf dipping method.
用北京室内饲养的麦长管蚜以16种新老农药品种用点滴法进行了敏感水平测定，建立了麦长管蚜对16种供试农药的毒力基线。
Susceptibility levels of grain aphids reared in the insectary to 16 pesticides are examined in Beijing and the toxicity base lines have been established.
应用推荐