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白菜病毒病在我省普遍发生.幼苗受害后,心叶叶脉色浅而呈半透明状,随即沿叶脉褪绿,逐渐变成淡绿和浓绿相间的花叶.有时叶背的主脉和侧脉上产生局部的褐色坏死点或条斑,叶片抽缩,凸凹不平.成株染病后叶片脆硬,叶片变黄,植株皱缩矮化,停止生长,不能正常包心.感病较晚的植株虽能结球,而且外观近乎正常,但剥去外叶后,内部有些叶片上有许多灰色的坏死斑点.此病可造成大幅度减产,影响经济效益和市场供应.
Cabbage virus disease occurs in our province.After the victims of seedling, the heart leaf vein color is shallow and translucent, then along the vein chlorosis, and gradually become light green and dark green and white mosaic.Meanwhile, Occurred in the lateral veins of the local brown necrosis of the spot or spot, leaf shrinkage, bumpy.Embryo crisp hard leaves after the adult disease, the leaves turn yellow, plant shrinkage dwarf, stop growing, can not be normal heart .Infectious later Although the plant can be the ball, and the appearance of almost normal, but stripped the outer leaves, some of the internal leaves of many gray necrotic spots.The disease can cause significant cuts, affecting economic efficiency and market supply.