杨属

在分子水平上对杨属树种进行的基因组研究，内容包括遗传作图、基因组测序、物理图谱构建、基因芯片及连锁不平衡分析；

The genomics studies carried out in Populus , including genetic mapping , genome sequencing , physical map construction , microarray analysis and linkage disequilibrium analysis ;

对比分析可知其木材物理力学性质与杨属类其它种木材相近，并指出其木材利用的主要方向。

The contrast analysis shows that , the timber physic mechanics character is similar with the other species of Populus . The main orientation of timber utilization is pointed out .

杨属AFLP遗传多样性研究和杨树品种分子指纹图谱构建

Genetic Diversity Evaluation and Cultivars Identification with Fingerprinting Based on AFLP in Five Sections of the Genus Populus

寄生在杨属（Populus）树种上的栅锈菌属（Melampsora）锈菌，不同的菌种其夏孢子的形态特征有明显的差异，可以作为分种的依据。

Morphological characteristics shown by the uredospores of different species of poplar rusts ( Melanopsora ) are easily distinguishable .

额尔齐斯河流域杨属资源的保护与利用

Protection and Utilization of Populus Resources on the Ergis River Watershed

杨属派间核型比较研究

A comparative study on the karyotypes among sections of Populus

用ITS序列研究杨属各组之间的系统发育关系

Phylogenetic Relationship of Populus Sections by ITS Sequence Analysis

最后讨论了杨属起源后的散布途径及现代分布格局的成因。

In addition , the dispersal channels and the causes of modern distribution pattern are elaborated .

利用网络资源，可以实现杨属已知品种信息的规范化管理和实时性共享。

With the network resources , standard information management and real-time share can be carried out .

五株山杨试材采自山西省中条山同一天然林分内，其木材物理力学性质在杨属中为中等。

Five trees of David poplar were collected from a natural stand of Zhongtiao Mountains in Shanxi province .

综述了杨属树种体细胞胚胎发生研究概况，共有13个树种进行了体细胞胚诱导。

An overview on the studies performed on 13 species or hybrids involved in somatic embryogenesis was presented .

杨属的分支分析

Cladistic analysis of Populus

青杨派是我国杨属中最大的一个派，共34个种，21个变种和4个变型，分布最为广泛。

Section Tacamahaca , including 34 species , 21 variations and 4 forms , is the largest one among the five sections of Populus in China .

副王峡蝶一种桔色和黑色相间的北美蝴蝶（北美副王蛱蝶杨蛱蝶属）象但略小于大蝴蝶象白蛱蝶但后翅表面有红色的斑点。

An orange and black North American butterfly ( Limenitis archippus ), resembling but somewhat smaller than the monarch . similar to the banded purple but with red spots on underwing surfaces .