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菜豆(四季豆)的主要病害有:锈病、细菌性疫病、炭疽病、灰霉病、枯萎病、根腐病、线虫病等;虫害主要有:美洲斑潜蝇、白粉虱、蚜虫、叶螨等。其无公害综合防治技术:一、轮作枯萎病、根腐病、炭疽病发病重的地块要与非豆科作物实行3年以上轮作换茬。二、选用抗病品种抗锈病的有九粒白、新秀1号、紫秋豆(兼抗枯萎病)、秋抗6号(兼抗病毒病)等。抗
The major diseases of kidney bean (green beans) are: rust, bacterial blight, anthracnose, gray mold, wilt, root rot, nematode and so on. The main pests are: leaf blotch, whitefly, aphid, spider mite Wait. Its pollution-free comprehensive prevention and control technology: First, rotation of the wilt disease, root rot, anthrax disease heavy plots and non-leguminous crops for more than 3 years rotation cropping. Second, the selection of anti-rust varieties resistant to nine white, rookie No. 1, purple autumn beans (and Fusarium wilt), autumn anti-6 (anti-virus disease) and so on. anti-