jwb

The Jujube witches'broom disease ( JWB ) caused by phytoplasma has brought much economic damage to jujube production in our country .

由植原体引起的枣疯病在我国分布普遍，危害严重，使我国的枣树生产遭到极大的经济损失。

Selecting cultivars with high resistance was regarded as the most powerful method to eradicate JWB and had made some progress , but the mechanism of resistance was still in its beginning stage .

抗枣疯病品种的选育已经取得了一些进展，但抗病机制研究尚处于起步阶段。

The main results were as follows : 1 . Observed a great deal of JWB plantlet , we found that , small leaves , short burl distance , thin stem , more axillary bud , stipule thorn became leaves bigger , is the JWB representative symptom ;

1对枣疯病组培苗的观察结果发现，叶片小，节间距短，茎细，腋芽萌发多，托时刺退化成的小叶大是组培苗发生枣疯病的典型症状；