桑树病害桑树因病原微生物侵染或不适宜的环境条件而导致的生长发育不良、桑叶产量减低和品质变劣的现象，在已知的大约150种桑树病害中,较严重的有近30种。
桑细菌性疫病是危害桑树幼枝、叶的一种主要病害，在我国蚕区普遍发生且危害较严重。
Mulberry bacterial disease is the major and serious disease that does harm to the twigs and leaves of mulberry, and is widespread in sericultural areas.
桑疫病是桑树的主要病害之一，各地发生普遍，对蚕桑生产的影响很大。
Mulberry bacterial disease is one of the main diseases. It occurred widely and influenced the sericultural production great- ly.
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