种质遗传

In this study,51 pairs of SSR primers were used to assess the genetic diversity and structure among 137 Chinese and eight alien adzuki bean germplasm.

选用51对SSR引物对国内外145份小豆种质进行多样性评价，并分析了中国小豆种质资源间的遗传关系和遗传结构。

This paper summarized the survey, collection, storage, research and utilization of forage germplasm resource; its current status, existing problems and suggestions about subsequent progress were discussed, including superior and rare germplasm collection, forage genetic diversity research, biotechnology utilization in forage germplasm innovation, duration of germplasm storage, natural evolution speed, storage techniques of short-life seeds, super gene exploration and function, biological base of species and population conservation.

为此，论述了我国牧草种质资源调查、收集、保存、研究和利用的现状，存在问题及对今后发展的建议，提出今后应加强优良和珍稀牧草种质的搜集、生态型及遗传多样性的研究和利用、生物技术在优良牧草种质创新的应用、种质保存的时效性和野生状态下牧草遗传变异与进化的速率、短寿命牧草种子保存技术、优良基因的发掘和功能研究以及利用平台的构建、物种或种群保护的生物学基础研究7个重点领域的研究。

ConclusionOur study showed that the AFLP was suitable for genetic diversification,variety identification,construction of molecular map , identification and classification.

结论建立了适用于白芷的AFLP反应体系，并筛选出了适合白芷的引物，为今后利用AFLP标记技术进行白芷鉴定及种质遗传多样性分析提供了标准化程序。

RAPD and ISSR methods have been used to detect the genetic diversity of 20 inbred lines in Zinnia elegans, which were introduced from two foreign countries.

首次运用RAPD与ISSR技术分析了百日草20个自交系的种质遗传多样性。

Shanghai Agrobiological Gene Center research subject: 1、 Adhering to the principle of keeping genetic diversity to the maximum extent, collect, appraise and keep the agricultural biological gene resource which was originally stored in Shanghai; Give priority to what is the most important, collect good resources with important scientific significance and economic value as well as application value at global range

上海市农业生物基因中心的主要研究内容：1、本着最大限度地保存遗传多样性的原则，广泛收集鉴定保存原产于上海市的农业生物基因资源；突出重点，全球范围内收集具有重要科学意义与经济价值或应用前景的优良资源；2、建立主要农作物功能基因组研究的资源平台；积极开展遗传材料的创制；发展种质资源保存与评价的技术方法；3、种质资源的综合评价与深入研究，鉴定、定位和克隆具有自主知识产权的重要农业生物基因； 4、进行植物新品种保护的研究；全国范围内分发与有效利用种质资源。

The principles of several DNA Molecular markers and their application on assessment of germplasm genetic diversity,fingerprinting construction,classification of heterotic groups and heterosis prediction for maize were reviewed.The present problems and prospective of molecular markers application in germplasm resource we...

介绍几种DNA分子标记的原理，综述了DNA分子标记在玉米种质遗传多样性鉴定、绘制指纹图谱、杂种优势类群划分和杂种优势预测等方面的应用，并探讨了在玉米种质研究中存在的问题和应用前景。

The objective of this work is to find the relationship among accessions of leucaena from different geographical distribution based on diversity analysis so as to provide theoretical foundation for the evaluation, classification, utilization and selection of leucaena germplasm resources.

本研究旨在分析银合欢种质遗传多样性的基础上，探讨不同来源银合欢种质间的关系，寻找遗传差异，为银合欢种质资源的评价、分类、利用和选育种提供理论依据。

To learn the information about the genetic background of the cultivation and wild germplasms of Platycodon grandiflorum assisting of its breeding and studies on genuine characteristics, the genetic diversity of 92 samples （including 20 cultivation and 3 wild germplasms, and 5 genetic materials） were analyzed by RAPD markers.

为了解桔梗栽培种质、野生种质的遗传背景，为桔梗育种及道地药材研究提供依据，采用RAPD方法分析了桔梗20份栽培种质、3份野生种种质及5份遗传材料共92个样品的遗传多样性。

To evaluate the factors affecting seed yield of castor and categorize castor resource, 46 castor germplasms were analyzed according to the key components analysis and cluster analysis of 11 quantitative characters.

初步提出评选蓖麻种质资源的遗传主成分标准。46份蓖麻种质资源被分为4类，地理远缘材料在遗传上不一定远缘，而近缘材料由于选择方向不同可能成为遗传远缘。

The result also showed that the difference of the frequency of biotypes at 1% level of 10 genetically 0.8665. The result indicated that the propagation integrity of heterogeneous germplasm

上速结果表明，小麦更新时较高的发芽率是维持异质性种质遗传完整性的关键因素。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。