Aristida

Aristida的基本解释

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[医]三芒草属

与Aristida相关的网络例句 [注：此内容来源于网络，仅供参考]

In a word, our analyses showed the genetic diversity of Aristida pennata populations was rich and the genetic structure was complicate.

群体遗传分化系数为0.8247，表明有82.47％的遗传变异存在于株丛之间，而只有18.53％的遗传变异存在于株丛内。

Especially, under the condition of desert-expanding and habitant-destroying, the studying on the genetic structure of Aristida pennata populations is very important to understand the population persistence style of the grass in the Desert.

羽毛三芒草遗传结构反映了它克隆繁殖的特性以及对沙漠恶劣环境良好的适应性。

The index (Gst=0.5284) presentes that 52.84% molecular variation existes among subpopulations, 47.16% existes within subpopulations. There are changes of genetic differentiation from 0.0000 to 1.0000. In addition, the gene flow of Aristida pennata populations is 0.4426, which suggests relative limited gene flow may be one of important factor influencing on the genetic structure of the species.

亚种群间的基因分化系数为0.5284，即有52.84％的遗传多样性存在于种群间，有47.16％遗传多样性存在于种群内，各位点的遗传分化程度差别较大(0～1.0000)，其基因流为0.4462，不足以防止漂变引起的种群间的遗传分化。

The grass , Aristida pennata is a good sand-fixating herbage plant in Gurbantongut Desert .We collected 76 samples from 7 subpopulations.

本研究以生长于古尔班通古特沙漠优秀固沙禾草羽毛三芒草Aristida。

Using RAPD markers techonolgy analysed the genetic structure of populations and built up the reaction system of SSR markers of Aristida pennata, at the same time, analysed the genetic structure based on SSR markers techonolgy. The research results are as follow:(1) 11 amplifiction random primers were used to detecte 125 loci in 76 samples. The total proportion of polymorphic loci of. Aristida pennata is 96.8%, the average proportion of polymorphic loci of Aristida pennata is 45.3%. The analyses of Shannon diversity index (1,0.5151) and Nei gene diversity index(h, 0.3471) indicate that the gene variation is rich in subpopulations.

Pennata.tirn为研究对象，在阜康，147团及121团周边等7个亚种群采集76个样品，通过RAPD分子标记技术进行亚种群内和种群间的遗传变异分析，并采用SSR技术建立羽毛三芒草的检测技术平台同时进行遗传结构分析，结果表明：(1) 11条RAPD引物检测到76个样品有125个位点，总多态位点百分比为96.8％；亚种群内平均多态位点比为45.3％，香农表型多样性指数(1，0.5151)，Nei's基因多样度指数(h，0.3471)都说明羽毛三芒草种群有较为丰富的遗传变异。

与Aristida相关的网络解释 [注：此内容来源于网络，仅供参考]

Aristida：三芒草属

分布于美国得克萨斯西部、新墨西哥、亚利桑纳和墨西哥高原南部的以格兰马草属(Bouteloua)、三芒草属(Aristida)和Hilaria属的种占优势的干旱草地. 在荒漠地带分布的超旱生灌木群落,类型繁多,例泡泡刺(Nitraria sphacrocarpa)荒漠等.

Aristida Linn：三芒草属

08. 三芒草族 Aristideae Hubb. | 154. 三芒草属 Aristida Linn. | 09. 茅根族 Perotideae Hubb.

Aristida adscensionis：三芒草

肉苁蓉 Cistanche salsa G.Beck) | 三芒草 Aristida adscensionis | 沙拐枣 Calligonum mongolicum Turcz.

Aristida L：三芒草属

8. 三芒草族 Trib. Aristideae Hubb. | 三芒草属 Aristida L. | 9.茅根族 Trib. Perotideae Hubb.

Aristida adscenionis：三芒草

小糠草 A. gigantean | 三芒草 Aristida adscenionis | 荩草 Arthraxon hispidus