Populus alba cv.Pyramidalis

用法例句

Analysis on the Factors Affecting Regeneration System of Populus alba;

影响银白杨再生体系建立的因素分析

Optimization of antibiotic concentration in genetic transformation of Populus alba.;

银白杨遗传转化中抗生素浓度优化的研究

Establishment of high frequency regeneration system of adventitious bud from leaves of Populus alba;

银白杨叶片不定芽再生影响因素的研究

Genetic relationship between parents and hybrid progenies of Populus alba L. ×Ulmus pumila L. using AFLP marker.;

利用AFLP标记研究银白杨×白榆的亲子关系

) forests mixed with white (Populus alba L.

)/银白杨(Populus alba L)混交林林分结构和产量。

Seedling Measurement of Hybrids of Populus alba and P.alba×P.glandulos,P.alba and P.tomentosa

银白杨与84K杨、毛白杨杂交及苗期测定

The Study on Hybridization between Populus Alba and (P.Alba×P.Glandulos)、P.Tomentosa and Original Selection of Hybrid Seedling;

银白杨与84K杨、毛白杨杂交及杂种苗的初选研究

Study on Transformation of P.alba Var.Pyrarridalis and P.alba Var.Payrarridalis×P.alba L with a Gene Encoding for the Betaine a Aldehyde Dehydrogenase (BADH);

银白杨×新疆杨和新疆杨转抗盐基因工程研究

Study on Paternity Test of Populus Alba Linn. × Ulmus Pumila Linn. and Filial Generation Utilization;

银白杨×白榆亲子鉴定及子代利用研究

A Molecular Genetic Linkage Map for Hybrid Population of Populus Adenopoda×P. Alba and a Comparative Map in Populus;

响叶杨×银白杨遗传图谱构建及杨属图谱比较研究

A New Technology of Detecting SSR and the Construction of a Genetic Linkage Map for an Interspecific Hybrid Population between Populas Adenopoda×P.alba Using SSR Markers;

SSR检测新技术和响叶杨×银白杨遗传连锁图谱构建

Optimization of antibiotic concentration in genetic transformation of Populus alba.

银白杨遗传转化中抗生素浓度优化的研究

Salinie-alkali and Drought Tolerance of Populus Bachofenii×P.pyramidalis ROZ

新西伯利亚银白杨耐干旱和耐盐碱能力研究

Establishment and optimization of high-frequency in vitro regeneration system for hypocotyl of Populus alba

银白杨下胚轴高频离体再生体系的建立和优化

Rooting Approaches and Mechanism of Populus Bachofenii×P.pyramidalis ROZ Microcuttings

新西伯利亚银白杨组培微枝生根技术与机理研究

Effects of Drought Stress on Protective Enzyme Activities and Seedling Growth in Populus bachofenii×P. pyramidalis ROZ

干旱胁迫对新西伯利亚银白杨抗氧化系统和幼苗生长的影响

Relationship between Micro-environmental Factors and ex Vitro Rooting of Micro Cuttings of Populus bachofenii × P. pyramidalis ROZ

新西伯利亚银白杨微枝试管外生根与微环境因子的关系

Improving rooting ability and growth rate of Populus alba by introduction of rolB/pttGA20ox double genes.

转rolB/pttGA20ox双价基因提高银白杨生根能力及生长速度的研究

Affects of Nitrogen on Root Repiration of Fraxinus Bungeana, Ginkgo Biloba, Buxus Sinica and Ligustrum Vicaryi Saplings

氮对小叶白蜡、银杏、金叶女贞和小叶黄杨幼树根系呼吸的影响

The white poplar is no ordinary tree. Let me sing its praises.

白杨树实在是不平凡的，我赞美白杨树!

Annie: Definitely. The environment of the university is quite good. The trees are clustered here and there with weeping willows,poplars, tender yulan and rare gingko.

安妮：校园环境也挺好，树木众多，有垂柳、有白杨、还有娇 贵的玉兰、名贵的银杏……

Infestation and control of poplar clearwing moth Paranthrene tabaniformis in the stump of poplar.

杨树截干上白杨透翅蛾的危害及防治

Two tall and straight poplars stand in front of the gate.

门前有两棵挺拔的白杨。