Alnus

常见例句

Betula ermanii and Alnus mandshurica predominated in the colonizing woody species on forest boundaries.
林缘入侵物种主要由岳桦和东北赤杨组成。
The genetic responses of 13 alder(Alnus cremastogyne) provenances was evaluated for at 5 test locations.
对桤木13个种源在5个测试点进行了生长性状的遗传测定.
Alder (Alnus nepalensis),an important non-legume nitrogen-fixing plant,occurs widely in the eastern Himalayas.
桤木(Alnusnepalensis)是一种重要的非豆科固氮植物,广泛分布于喜马拉雅山脉东部地区。
The variation degree of PAL activity,lignin growmjiight-growth of each Alnus cremastogyne clones is consistent.
不同无性系间PAL活性、木质素增长、高生长之间的差异是一致的；
Hosts include Casuarina spp, members of the genera Myrica and Alnus, and other species that are not widely exploited for agriculture.
它的寄主包括木麻黄科、杨梅属和赤杨皮属的几个树种，和在农业上还没有被广为开发利用的一些种。
Wood chemical compositions of 5 ,8 and 11 yr old Alnus cremastogyne plantations in the plantation area of Fujian Province are reported.
首次报道了四川桤木5、8和11年生3种树龄木材的化学组分测定结果。