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病虫名称为害作物防治措施芹菜p卜斑病芹菜斑枯病芹菜软腐病油麦菜霜排病生菜灰霉病汕菜黑斑病 ①选用抗病品种,如文图拉等。②实行两年以上轮作,③合理密植、科学灌溉、防止川间湿度过高。④药剂防治:发病初期喷50%多菌灵可湿性粉hlJ 500倍或50%甲基托布津500倍液喷雾,70%红日
Pest name crop damage prevention and control measures celery p Buchuang celery spot blight celery soft rot lettuce frost disease lettuce gray mold disease Shantou black spot disease ① selection of resistant varieties, such as Ventura and so on. ② more than two years of crop rotation, ③ close planting density, scientific irrigation, to prevent high humidity between Sichuan. ④ Pharmacy control: early onset spray 50% carbendazim WP 500 or 50% thiophanate-methyl 500 times spray, 70% red day