一、防治目标通过及时有效防治,将小麦病虫草总体危害损失率控制在5%以下,其中小麦条锈病、白粉病病叶率控制在5%以下;赤霉病病穗率控制在3%以下;纹枯病病情指数控制在10以下;土传小麦病毒病发病率控制在10%以下;麦蜘蛛虫量控制在200头/市尺行长以下,吸浆虫土壤中幼虫1头/小方以下;穗蚜平均百穗蚜量控制在500头以下。 First, the prevention and control targets Through the timely and effective prevention and control, the overall damage rate of wheat and caterpillar fungus control less than 5%, including wheat stripe rust, powdery mildew disease rate control in less than 5%; head blight rate control in less than 3% ; The control index of sheath blight disease was less than 10; the incidence of soil-borne wheat virus disease was controlled below 10%; the amount of wheat spider was controlled below 200 head / foot-length governor and below 1 head / Spike aphid average amount of control aphids in 500 or less.