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大豆疫霉病是大豆毁灭性病害之一。世界一些主要大豆生产国都有发生,我国东北大豆主产区近年有加重发展趋势。该病是典型的土传病害,可以发生在大豆生长的任何一时期,在积水地块可造成种子腐烂和出苗前腐烂,出苗后腐烂和苗期根和茎的腐烂造成植株萎蔫和死亡进而造成田间缺苗。
Phytophthora sojae is one of the devastating diseases of soybean. Some major soybean producing countries in the world have occurred. The main producing areas of northeast soybean in China have aggravated the trend of development in recent years. The disease is a typical soil-borne disease that can occur at any time during the growth of soybean, which can cause seed decay and pre-emergence decay in the plots of waterlogged land. Post-emergent decay and decay of roots and stems at seedling stage lead to plant wilting and death. Caused field lack of seedlings.