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前言:根据预防为主原则,结合栽培管理技术及物理防治,以选用生物农药及高效低毒化学农药等综合技术进行防治,严格控制施药量及浓度,以绿色食品标准生产无公害蔬菜。1病毒病生长期发病用500倍液A或1.5%植病灵乳剂1000倍液或高锰酸钾1000倍液喷雾防治,每5天一次连喷3次。2疫病及时打掉病叶,摘除病果,严重时清除病株粉烧。发病初期用58%甲霜灵系列粉剂500倍液,72.2%普力克水剂800-1000
Preface: According to the principle of prevention, combined with cultivation and management techniques and physical prevention and control, comprehensive technologies such as bio-pesticides and high-efficiency and low-toxicity chemical pesticides are used for prevention and control. The dosage and concentration of pesticides are strictly controlled to produce green vegetables with green food standards. 1 virus disease Long-term incidence of 500 times with liquid A or 1.5% Planting Emulsion 1000 times 1000 times or potassium permanganate spray prevention and control, every 5 days and even spray 3 times. 2 disease blight diseased leaves in time, removal of diseased fruit, severe diseased plant powder burn. The incidence of early use of 59% metalaxyl powder 500 times, 72.2% Purcell water 800-1000