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通辽地区造成番茄严重减产的主要病害是条纹毒病和花叶毒病。番茄得病株茎叶卷缩甚至坏死,果肉变褐不能食用,严重影响产量。这种病毒一般是由种子、土壤、粪肥传毒及栽培管理不当所引起。番茄毒病主要防治方法是:1.加强选育优良的抗病品种。一般中晚熟品种比早熟品种抗病。新引进的强丰品种抗病性较强,也可利用杂种一代优势提高抗病丰产性能。在田间要注意选健壮无病经济性状优良的单
The main diseases causing the serious yield loss of tomato in Tongliao area are striped virus and mosaic virus disease. Tomato diseased plant stems and leaves crimp or necrosis, brown flesh can not eat, seriously affecting the yield. The virus is usually caused by seeds, soil, manure poisoning and improper cultivation and management. The main control methods of tomato disease are: 1. Strengthen the breeding of excellent resistant varieties. Generally late-maturing varieties than the precocious varieties disease resistance. Newly introduced strong abundance of disease resistance, but also can take advantage of hybrid generation to improve disease resistance and yield performance. In the field should pay attention to the selection of robust health-free economic traits single