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江淮春季麦田发生的病虫害主要有小麦丛矮病、黄矮病、纹枯病、白粉病、赤霉病、锈病、麦蜘蛛、粘虫、麦蚜以及地下害虫蝼蛄、金针虫等。其全程防治方法:1.防治丛矮病、黄矮病。关键要消灭传毒媒介灰飞虱、麦蚜。麦苗分孽盛期,返青至拔节期于晴好天气中午前后,亩用40%氧化乐果或40%久效磷100毫升,对水30公斤分别喷雾1次。2.防治纹枯病。可分为两个时期:一是于麦苗返青拔节期,亩用12%纹霉清150-200毫升或20%井岗霉素20-30克,对水30公斤喷雾;二是于麦苗拔节
The main diseases and insect pests occurring in the spring wheat fields of Jianghuai are wheat dwarf, yellow dwarf, bush blight, powdery mildew, scab, rust, wheat spider, armyworm, wheat aphid and underground insect pests, insects and other insects. The whole prevention and treatment methods: 1. Prevention and control dwarf disease, yellow dwarf disease. The key is to eliminate the vector poisoning planthopper, wheat aphid. Wheat seedlings sub-Sheng peak period, returning to green to jointing in fine weather around noon, mu with 40% omethoate or 40% monocrotophos 100 ml spray 30 kg of water, respectively. 2. Control sheath blight. May be divided into two periods: First, the barley greening jointing stage, mu with 12% of rime mildew 150-200 ml or 20% Jinggangmycin 20-30 grams, spraying 30 kilograms of water;