杨树

杨干象是杨树重要的蛀干害虫，为全国性森林植物检疫对象。

Cryptorrhynchus lapathi is an important trunk borer of poplar and nationwide object of forest plants quarantine .

G蛋白在杨树气孔运动中的作用

Roles of G-protein in The Regulation of Stomatal Movement in Poplar

以北京为例，春季最常见的致敏花粉包括榆树、杨树、白蜡、合欢树和白桦的花粉。

In Beijing , for example , the most common allergenic pollens in spring include those from the large-fruited elm tree , Cathay poplar , ash , acacia and white birch .

杨树无性系根系吸收H2PO4~-动力学特征与磷营养效率

Phosphate uptake characteristics of kinetics and phosphorus efficiency in clones of Poplar

深州杨为近年选育出的嵌合体杨树优良无性系，分为A型、B型和C型。

Populus Shenzhou chosen and bred in recent years is chimera poplar superior clone , divided into type A , B and C.

并与各菌株对不同杨树致病性的聚类分析进行了比较，结果表明各菌株间的DNA多态性与致病性及寄主、地理来源等没有明显相关性。

However , the DNA polymorphic of isolations were not obviously related to the collecting places or hosts and pathogenicity .

五种杨树叶绿体DNA的提取及RFLP分析

Studies on the Isolation and RFLP Analysis of Poplar Chloroplast DNA

应用X射线衍射法对7个杨树无性系微纤丝角进行了测定。

The microfibril angle ( MFA ) of 7 poplar clones was measured by using the X-ray diffraction estimation .

分析了杨树、水稻和甘蔗转基因植株体细胞克隆的表型变异和基因组DNA多态性。

Morphological and genomic DNA diversities of somaclonal variation in transgenic poplar , rice and sugarcane were analyzed in the present paper .

运用RAPD法识别杨树品种技术的研究

Study of Identifying the Varieties of Populus by the means of RAPD

Bt转基因杨树对杨树昆虫群落结构的影响

Effects of Transgenic Poplars to the Structure of Insect Community

中等以下的抗性转基因杨树无性系的表达含量为318-4950ng／g鲜叶。

In the other transgenic clones with single Bt gene , the expressing quantity is 318-4950 ng / g fresh leaf .

钙依赖型蛋白激酶在ABA调控的杨树气孔运动中的作用

Roles of Calcium-dependent Protein Kinases in ABA-regulation of Stomatal Moment in Poplar

用自旋标记ESR波谱法研究杨树抗寒性

Study on cold resistance of poplar by ESR spin label

PV曲线在杨树耐旱性鉴别中的应用

Appli-cation of PV-curve in Evaluating Poplar Drought Tolerance

矢量法营养诊断结果表明：未施肥的杨树各组织N、P、K均为缺乏状态，N、P、K是杨树生长的限制性因素。

It is showed from vector analysis : N , P and K are deficient in poplar unfertilized and they are limiting factors to poplar .

本文用高效液相色谱（HPLC）结合生物鉴定分析了杨树（Ⅰ-69）枝条顶端营养芽从秋季（8月）到翌年春季（4月）内源激素活性及含量的变化。

Changes of endogenous hormone contents in terminal buds of poplar 1-69 from autumn to spring were determined by bioassay and HPLC .

指出杨树刺槐混交林生产力提高主要是因为林地土壤养分（特别是N素养分）的极大改善及树种间N、P养分的互补。

It shows that the yield improvement is mainly due to the soil nutrient amelioration ( especially nitrogen nutrient ) and the interaction of mutual supplement of N and P nutrient .

基因组水平上杨树NAC基因家族的初步分析

Primary Genome-wide Analysis of the NAC Gene Family in Poplars

Richards生长函数在意大利杨树无性系人工林生长预测上的应用

The application of Richards growth function on growth prediction of poplar artificial stands

杨树人工林下的A、B两个样地的土壤有机质、全N和速效N含量在2cm土层中较高；

The organic content , total N and alkali-hydrolysable nitrogen content of Populus spp plantations plot A and B is higher in the 2 cm soil layer ;

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

转C4植物光合关键基因PEPC杨树的初步分析

Preliminary Analysis of Transgenic Poplars with PEPC Key Gene in C4 Plant Photosynthesis

盐胁迫和干旱胁迫下杨树细胞内Ca～（2+）和Ca～（2±）ATPase变化

Changes of the Ca ~( 2 + ) and the Ca ~( 2 + ) - ATPase in Cells of Poplar Under Salt Stress and Drought Stress

NL－80106杨树早期施肥试验初报

A preliminary report of early stage manure experiment of NL-80106

本文主要研究杨树（Poplar）双列杂交株高性状亲本配合力效应（CombiningAbilityEffect）的分析和遗传力的估算。

This article mainly deals with the analysis of the combining ability effect of the poplar in the complete diallel cross on the high growth character of the parent and the estimate of such heritability .

基于ASTER遥感数据的建湖县杨树信息提取的研究

A Study on Information Extraction of Poplar Resources in Jianhu County Using ASTER Remotely Sensed Datasets

杨树的胁地范围是30m，胁地范围内平均减产10.0&23.1%。

The soil coerced range of populus is 30m , average reducing yield in it is 10.0-23.13 % .

在建立山杨叶片高频再生系统的基础上，利用农杆菌介导叶盘法开展了AFP基因转化杨树的研究。

On the basis of establishment of poplar leaf high-frequency regeneration system , carrying on the study of poplar transformation , mediated by Agrobacterium tumefaciens .

水淹对杨树木材提取物清除DPPH有机自由基活性影响初探

Studies on effect of flooded plantation conditions of free radical scavenging activity of extracts from woods of the flooded poplars