大白菜干烧心病的防治大白菜干烧心病主要为害叶球内部的脆嫩叶片，使内叶边缘变褐色、干枯，菜帮上出现褐色条斑，影响食用质量。生长后期多雨，叶片干枯变软腐烂，发臭，所以又叫夹帮烂、烂心子。在收获时从外表看与正常白菜没啥两样。病状只有切开后才能看到。得这种病... Chinese cabbage dry heart disease prevention and treatment Chinese cabbage dry heart disease is the main damage leaf fragile leaves within the leaves so that the inner edge of the brown, dry, vegetable gang appeared on the brown streak, affecting the quality of food. Rainy late growth, leaf dry soft rot, smelly, so called folder help rotten, rotten heart. At the harvest from the appearance of normal cabbage no difference. Symptoms can only be seen after incision. Got this disease ...