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jwb

  • n.联合薪金委员会(Joint Wages Board)
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  1. 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。

  2. 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。

  3. 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;