尾孢属真菌可引起许多植物病害，包括玉米灰叶斑病和大豆的紫斑病，可造成５－５０％的产量损失。１９９６年在伊利诺斯州的中部和南部，几乎８０％的玉米田都遭该真菌危害，特别是那些为了水土保持而免耕的区域，更有利于该真菌的流行。该真菌通过分泌一种毒素而从寄生组... Cercospora fungi can cause many plant diseases, including corn gray leaf spot and purple spot of soybean, which can cause 5-50% yield loss. Almost 80% of the maize fields in central and southern Illinois were harmed by the fungus in 1996, especially in areas that were no-tillage for soil and water conservation. The fungus secretes a toxin from the parasitic group ...