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大豆病害种类很多 ,我省以大豆花叶病毒病、紫斑病、霜霉病危害较重 ,致使籽粒变小 ,产量降低 ,品质变劣。此外 ,大豆孢囊线虫病、根腐病、炭疽病、细菌性叶烧病也在部分地区发生。1 大豆花叶病毒病1 .1 危害此病遍及全省。侵染大豆后 ,植株营养生长受阻 ,植株矮小 ,单株荚数
Many types of soybean diseases, the province to soybean mosaic virus disease, purple spot, downy mildew heavier, resulting in smaller grains, lower yields, poor quality. In addition, soybean cyst nematode disease, root rot, anthracnose, bacterial leaf fever also occurred in some areas. 1 soybean mosaic virus disease 1 .1 harm the disease throughout the province. Infected soybean, vegetative growth blocked, short plants, pods per plant