枣疯病在我国分布甚广,凡有枣树栽培的地区均有不同程度的发生危害,在山东、河北、河南诸省发生尤为严重,我省黄河以南地区危害极大,已成为毁灭性病害。国外1967年Kim报道南朝鲜也有枣疯。 关于病原问题,近年来,我们进行了一些研究,对金丝小枣(Z.juju ba MiII.)典型病树的丛生 Jujube Bites are widely distributed in our country. All areas where jujube are cultivated have different degrees of harm, especially in Shandong, Hebei and Henan provinces. The area south of the Yellow River in our province is extremely harmful and has become destructive Diseases. Foreign 1967 Kim reported that there are jujube in South Korea. On the pathogen problem, in recent years, we conducted some research on the jujube (Z.juju ba MiII.) Cluster of typical diseased trees