1、

Foliaceous back provides fluff , vein is thicker , stipule is damask.

叶背具柔毛, 叶脉较粗,托叶淡红色.

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2、

Stipule A modified leaf found as an outgrowth from the petiole or leaf base.

托叶:由叶柄或叶基部生长出的变态的叶,为发育产生的外部结构.

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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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