大白菜干烧心病又叫干心病、夹皮烂、镶金边等,莲座叶无明显病变,主要在叶球内部的叶缘部分发生病变,病变过程是从绿色变淡、变白,然后变黄变干,呈干纸状。干边初为窄带状,以后向中肋发展。在白菜收获时病叶出现的部位大致在球叶的1—15片,不足5厘米长的叶很少发生。一种类 Cabbage dry heart disease, also known as dry heart disease, crust rotten, inlaid with gold edge, rosette leaves no obvious lesions, mainly in the leaves of the internal part of the leaf margin lesions occur, the lesion process from the green fades, white, and then turn yellow to dry , Was dry paper. The dry side of the beginning of a narrow band, after the rib development. Cabbage harvested at diseased leaves appear in the parts of the leaves roughly 1-15, less than 5 cm long leaves rarely occur. A category