种质的

It was found that total flavones and protein content in tartary buckwheat germplasm exhibited wide genetic diversity, and some tartary buckwheats with high quality were seleted.

研究认为苦荞麦种质资源的总黄酮和蛋白质含量存在较为丰富的遗传变异并在鉴定评价基础上筛选出一批品质优异的苦荞麦资源。

The underutilization of germplasm resources and empirical based approach by conventional breeding strategy are responsible for the slow progress of rice improvement in the past decades.

现有常规育种技术对种质资源的低利用率及其在性状改良上的局限性是近几十年来水稻改良出现徘徊局面的根本原因。

For exploiting and making use of rhizobium species resources of planting leguminous trees in south China,the full_length 16S rDNA sequences of representative strains HJ06 and JJ06 of two rhizobia,isolated from Acacia crassicapa and A.cincinnata in south China,were determined.These sequences were compared with all known rhizobia and related bacteria and an unrooted phylogenetic tree was produced.

为了开发利用我国人工林豆科树种根瘤菌的种质资源，该研究对华南地区两个人工林豆科树种厚荚相思和卷荚相思的根瘤菌两个代表菌株HJ06和JJ06进行了16S rDNA全序列测定，将此全序列与根瘤菌各已知种及相关种的16S rDNA全序列进行了比较及聚类分析，得到系统发育树状图。

Vitrification and encapsulation_dehydration are two new techniques and may h...

由于两步法保存技术的局限性，玻璃化和包埋脱水法等新技术在某些藻类的种质保存中可能有较大的应用潜力。

In garden with a succession of water surface, spread out 100 garden and xerophyte garden in proper order for the line of main shaft , is in imminent danger botanical garden etc.

该园以"园林的外貌、科研的内涵"为主题，集种质资源的收集保存、科技成果展示、旅游观光、爱国主义教育和科普教育为一体。

New apomictic plants are enumerated. Genetic mechanism is summarized. The problems in this field and development prospects are discussed.

本文对近几年来无融合生殖新种质资源的发现、主要研究方法、遗传机制和相关基因等方面的最新进展作了介绍，并对无融合生殖研究中存在的问题和发展前景作了讨论。

Regeneration and reproduction by establishing tissue culture system of Betula halophila may be a promising way.

植物组织培养技术发展异常迅猛，本研究旨在建立濒危植物盐桦的组织培养再生系统，并对该盐桦组织培养再生系统进行了优化筛选，该研究为盐桦的种质资源保存和无性繁殖开辟了一条行之有效的途径。

According to the analysis of the main nutrition contents in 70 Cucurbita moschata,the average coefficient of variation was 31.70%.

通过对70份中国南瓜种质材料的主要营养品质的分析得出，各品质性状在不同材料之间表现出了不同程度的多样性，平均变异系数为31.70％。

In this study,70 genotypes of Cucurbita moschata collected from different agro-ecological zones of China were analyzed for genetic diversity,based on the morphological and RAPD markers.

本研究利用形态学标记和RAPD分子标记同时对70份来自我国不同地区的中国南瓜种质进行遗传多样性和亲缘关系分析。在所观察的56个有差异的农艺性状中，变异系数从6.60%~262.22%，平均变异系数为37.50%。

A total of 56 agronomic traits were measured, 31 quantitative and 25 qualitative,for assessing genetic diversity of 70 Cucurbita Moschata germplasm.

对农艺性状的遗传多样性参数统计分析结果显示，所观察的56个(包括31个数量性状和25个质量性状)在不同种质间均有差异的农艺性状中，变异系数从6.60％到262.22％，平均变异系数为37.50％。

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。