查询词典 germplasm

The research advances in genetic relationships of peach germplasm, including the morphologic, cytology, palynology, biochemistry and DNA molecular markers, were reviewed in this paper. The actuality, prospect and urgent problems of peach germplasm resources were also discussed. To further study the genetic relationships of wildness, sib wildness and cultivar groups of peach, we may resort on genetic markers and DNA sequence analysis in addition to morphological characters.

本文从形态学、细胞学、孢粉学、生物化学及DNA分子标记等几个方面综述了桃种质资源亲缘关系的研究进展，探讨了桃种质资源亲缘关系的研究现状、前景及尚需解决的问题，并就进一步开展桃种质资源亲缘关系的研究进行了分析，提出桃种质野生种、近缘野生种厦不同栽培品种群间的分子系统学关系是今后研究的重点。

The results showed that resistance of the different Germplasm self-chosen inbred lines to maize rouh dwarf virus have great differences ,Tangsipingtou and P germplasm population were good ,Reid population was bad ,Lvdahonggu and Lancaster population were normal.

结果表明，不同种质自选自交系对玉米粗缩病抗性有明显差异，初步认为塘四平头群和P群总体最好；较差的是Reid群；旅大红骨和Lancaster群抗感病表现相差不大。

Discussed the subject on the rich symbiont germplasm resource in China and on further research being necessary to exploitation and utilization of the benificial germplasm.

文摘：针对我国主要豆科作物大豆和花生的研究成果，并结合本身研究工作内容，(1)总结了与宿主共生的根瘤菌生物学多样性，包括大、小样本的土著根瘤菌群体数量、分离频率、类型与分布及其菌株―宿主共生混交性与亲和性；(2)评述了根瘤菌―宿主植物共生体双边固氮改良，包括优良菌株的选育、宿主品种资源共生特性的评价与利用及特异性状的选择；(3)讨论了我国这一类共生体资源的丰富性以及有必要进一步加大力度研究有益资源的开发和利用的问题。

To provide biological foundation for the utilization and breeding of velvetleaf germplasm, RAPD and ISSR were applied to detect genetic diversity of 48 accessions of velvetleaf germplasm from 11 provinces of China.

利用RAPD和ISSR分子标记检测来自全国11个省的48份青麻种质资源的遗传多样性，为青麻资源利用和育种提供分子生物学依据。

Basing on our early stage research work about collection and description of sugarcane germplasm and the aided project of Yunnan Natural Science Fund (2001 C0015Q), the wild species Erianthus fulvus, which has good characters, cold-resistant, drought-resistant, higher Brix and less chromosome number, was utilized for the first time through intergeneric hybridization with sugarcane cultivar. Its F_1 hybrids were appraised with some new techniques and methods for germplasm enhancement.

本研究在课题组考察采集和保育鉴定甘蔗野生种质资源的前期工作基础上，依托云南省自然科学基金资助项目(2001C0015Q)，首次利用具有特异优良性状(抗旱、耐寒、锤度高、染色体数目少)的蔗茅野生种与甘蔗栽培种或品种进行属间远缘杂交，扩大甘蔗遗传多样性；采用新技术、新方法对蔗茅杂种F_1代材料进行早期鉴定评价研究，筛选具有育种价值的新种质，为进一步选育生态适应性广、抗逆性强、丰产高糖的甘蔗新品种奠定物质基础。

A total of 43 loquat germplasm resources (Eriobotrya joponica Lindl.) collected from 6 countries were used as materials for establishing a foundation for studying the genetic diversity and family relationship in loquat germplasm resources.

为研究枇杷种质资源遗传多样性和亲缘关系的技术平台奠定基础，以来自5个不同国家43份枇杷种质为试材研究枇杷基因组AFLP反应体系。

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 Germplasm Bank of Wild Species is a national key project of scientific facilitation in China. The wild germplasm resources, including seeds, micro-propagated samples, genomic DNA/cDNA libraries, and mycological spores/bodies, are the basis for human sustainability.

中国西南野生生物种质资源库是国家大科学工程，其保藏的野生种质资源是人类社会可持续发展所依赖的战略资源。

AFLP technique was applied on germplasm genetic diversity.It was abundant in Pyrus germplasm resources in China.

所筛选出的10个引物组合为梨属植物AFLP扩增多态性引物，可广泛用于梨属植物的AFLP扩增技术。

This paper describes the characteristics and rules of geographical distribution of main crop germplasm resources, totally including 194634 accessions of germplasm of 73 crops.

本文介绍了中国主要农作物种质资源的地理分布，重点论述了主要粮食作物、纤维作物和油料作物种质资源地理分布的规律和特点

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失