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1.烟青虫每年4月中旬至10月上旬危害辣椒果实,造成严重减产。初孵化幼虫为害花蕾,三龄幼虫蛀食幼果,引起落花落果。防治方法:用90%晶体敌百虫800倍液喷杀,每隔7~10天喷1次,共喷3~4次。2.斜纹夜蛾 4~10月危害叶背表皮和叶肉,有时一夜之间可以成灾。防治方法:用80%敌敌畏1000~1500倍液喷雾。3.茶黄螨受害叶片呈黄褐色斑块,防治方法:除冬耕与及时摘除虫叶外,可用20%三氯杀螨醇1000~1500倍液喷杀。4.菜蚜和叶蝉可用40%乐果乳剂1500~2000
1 tobacco caterpillars from mid-April to early October endanger the pepper fruit, causing serious cuts. Initially hatched larvae damage buds, third instar larvae eaten young fruit, causing drop flowers. Control methods: 90% crystal trichlorfon 800 times spray, spray every 7 to 10 days, a total of 3 to 4 times spray. Spodoptera litura 4-10 months endangered leaf epidermis and mesophyll, sometimes overnight disaster. Prevention and treatment methods: 1000 ~ 1500 times with 80% dichlorvos spray. 3. Ocher mite damaged leaves were brown patches, control methods: In addition to winter tillage and timely removal of insect leaves, the available 20% dicofol 1000 ~ 1500 times spray kill. 4. Aphids and leafhoppers available 40% dimethoate Emulsion 1500 ~ 2000