每年枇杷果实成熟前,常有许多枇杷树体出现大量落叶,这样的树体纵然挂着较多的果实,但因叶片缺少而发育不良,损失较大。究其原因,乃是枇杷急性灰斑病侵害所致。灰斑病是枇杷的主要病害。由半知菌纲的盘多毛孢侵染叶片、花、果实、幼芽、枝干而引起。过去认为灰斑病菌以侵害叶片 Before the loquat fruit matures each year, many loquat trees often show a large number of deciduous trees. Even though such trees are hung with more fruits, their growth is greatly impaired due to lack of leaves. The reason, but loquat acute gray spot disease caused by abuse. Gray leaf spot is the main disease of loquat. Caused by the half-known bacteria disk Polygonatum infected leaves, flowers, fruits, shoots, stems and cause. Cercospora solani was thought to invade the leaves