枣锈病是危害枣叶的一种病害。初期在叶背散生淡绿色小点,以后变成土黄色凸起的小斑,即夏孢子堆。孢子堆破裂后,散生黄粉,即锈孢子,进行传播侵染。被侵染的枣叶正面发生绿色小点,边缘不规则,使叶面呈花叶状,渐变灰黄色,最后干枯 Jujube rust is a disease that endangers jujube leaves. Early leaves scattered in the green light green dots, later become khaki raised small spots, ie, summer spores. After the rupture of spores, scattered yellow powder, that is, spores, spread infection. The infected jujube leaves positive green dots on the front, the edge of the irregular, the leaves were mosaic, gradient gray, and finally dry