种质的

Self-incompatibility is a widespread mechanism in flowering plants that prevents self-fertilization and promotes outcrossing. It has great influence on maintenance of germplasm purification and increasing in seed yield.

自交不亲和性在十字花科植物中广泛存在，其对种质的保纯及产量的进一步提高造成了较大的影响。

Information on the combining ability and heterotic patterns of maize germplasm is of great value to maize breeders.

研究玉米种质的遗传关系及其杂种优势模式对玉米育种者有着极为重要的指导意义。

ObjectiveTo study the differences of quality species of Leonurus japonicus Houtt.acquired from six regions.

目的研究不同来源地的益母草种源种质的差异性。

Morphological markers were used to study cluster analysis in 43 accessions of Okra by unweighted pair group method arithmetic averages.

通过对43 份黄秋葵种质的22项形态指标进行形态标记，通过类平均法建立树状聚类图，得出黄秋葵和黄葵在亲缘关系上存在着明显的差异。

The study on the genetic diversity of 56 radish accessions was made by integrating the RAPD and AFLP data.

将RAPD标记和AFLP标记的结果整合在一起，对56份萝卜种质的遗传多样性进行了研究。

But these slow-wilting lines, he says, produce four to eight bushels more than normal soybeans under drought conditions.

但这些种质的产量在干旱的条件下比普通的大豆多出四到八蒲式耳。

In this study, the dendrogram of cluster analysis obtained by RAPD marker was similar with that of AFLP marker.

在本研究中，两种标记对56份萝卜种质的聚类表现出了高度的相似性。

The resistances to maize head smut of some lines from maize semi-exotic populations containing CIMMYT germplasm and local lines were identified by the method of artificial inoculation under field condition.

董玲1，2，王庆祥1，金益2，于天江2，罗娜2，高明波2，刘红军21沈阳农业大学农学院，沈阳110161；2东北农业大学农学院，哈尔滨150030本文采用田间人工接种方法研究了部分含CIMMYT玉米种质的半外来群体选系对丝黑穗病的抗性。

Gene diversity level of landraces at every locus was higher than that of the released cultivars.

各个位点上群体间分化系数均较小，表明三个省份的遗传多样性分化程度较低，三省份种质的遗传基础较为狭窄。

The genetic diversity of 76 waxy barley landraces from different region of China was assessed by SSR markers,and cluster analysis was done based on genetic similarity coefficient.

利用SSR标记对来自中国不同省市的76份糯大麦种质的遗传多样性进行分析，并以遗传相似系数为基础进行聚类分析。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。