jwb

  • jwb
  • abbr.

    Jewish Welfare Board <美>犹太人福利委员会;

纠错 数据更新时间:2024-12-23 00:06:00
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。

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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;

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