枣锈病是枣园常见的一大叶部病害，它发生普遍，危害性大，可导致枣树叶片提早脱落，严重时全树叶片落尽，使枣果不能正常发育成熟，产量下降，品质变劣，树势衰弱。枣锈病病菌主要在病叶中潜伏越冬，翌年凭借风雨传播扩散。一般多雨潮湿的地方和年份发病早而重，病害先从... Jujube rust is a common big leaf disease in jujube orchards. Its occurrence is widespread and harmful. It can lead jujube leaves to fall off in advance. When the jujube rust is serious, the leaves of the jujube can not fully mature, the yield decreases and the quality changes Bad, tree weak. Jujube rust mainly lurking in the diseased leaves of winter, the following year spread with the spread of wind and rain. Generally wet and humid place and the incidence of early and heavier, disease first ...