1.Injury to branches causes a secretion of dulcitol, a white, powdery sugar, at scars.

1.支损伤导乳糖醇,白色粉状糖,在疤痕.

2.The plant reaches a height of 1.40 m and 1.25 m.It is winter-hardy, flowers abundantly and repeatedly, and is highly resistant to blackspot and powdery mildew.

2.该工厂达到了1.40米和1.25米高度这是冬天，耐寒，花量地，反复，并具有高抗黑点和白粉病。

3.In the imcompatible interaction and the nonhost interaction between wheat and barley powdery mildew pathogen, much more active oxygen was examined, especially in the nonhost resistant interaction.

3.在不亲和组合，特别是非寄主组合（小麦／麦白粉病菌）中，活性氧积家强度相对。

4.Puffballs are named for the fact that puffs of spores are released when the dry and powdery tissues of the mature spherical fruiting body (basidiocarp) are disturbed.

4.勃菌因其成熟球形果体（担子果）乾粉状组织摇晃时会释出量粉尘似孢子而得名。