由于缺乏动物识别、记录和评价计划，因而人工授精技术通常用于与进口种质资源的杂交，而并非当地的优良遗传资源。
AI is usually used for crossbreeding with imported germplasm rather than for superior local genetics, due to the paucity of animal identification, recording and evaluation programmes.
本研究为优良同源四倍体桔梗的推广应用和优良种质离体保存、减少遗传变异提供了技术依据。
This research provided techniques for the application, conservation in vitro of excellent germplasm and reduction of heredity variance of autotetraploids of Plalycodon grandiflorum.
种质资源是遗传育种的基础。
国家实行珍贵、稀有、濒危的生物种质资源、遗传资源等科学技术资源出境管理制度。
The State shall apply a system governing the export of such scientific and technological resources as precious, rare, and endangered biological germplasm resources and hereditary resources.
柑橘组织培养以及建立在此基础上的遗传转化为缩短育种周期、获得抗寒、优质柑橘种质资源提供了新的途径。
Tissue culture and transgenic research shortened the breeding program cycle, thus provided a promising way to obtain elite citrus germplasm that are cold tolerant.
获得绿豆组3个豆种及其代表品种的独特标记，为今后食用豆种质资源鉴定与分类和遗传分析提供理论依据。
The peculiar markers of 3 species and advanced varieties were generated and provided a theoretical background for the evaluation, taxonomy and genetic identity of food legumes germplasm resources.
对普通小麦抗条锈新种质——WT212的抗锈性及遗传学特性进行了分析。
Analysis on strip rust resistance and genetic property of wheat new germplasm——WT212 with strip rust resestance was carried out.
发生色素突变的紫菜可以为其遗传育种提供优秀的种质资源，并为其生理及基因功能研究提供理想的实验材料。
Pigment mutants provide excellent germplasm resources and ideal experiment materials for Porphyra genetic breedings, physiological and gene functional researches.
一项育种计划，必须为把新的遗传种质不断地渗进育种种群提供条件，以避免近交。
A breeding programme must provide for a continual infusion of new genetic material into the population to avoid in-breeding.
在形成种的遗传变异型中，种质渗入所引起的作用也应当用同样的见地来看待。
The role of introgression in shaping the genetic variation pattern of the species should be seen in the same light.
有效的种质资源繁殖更新是保持作物异位保存种质资源活力和遗传完整性的首要工作。
Effective regeneration programmers are essential to maintain the viability and genetic integrity of ex situ seed collections of crop germplasm.
利用外来种质是拓宽我国玉米种质遗传基础，解决遗传狭窄的重要途径。
Utilizing foreign germplasm was an important way which to broad genetic basis and resolves the narrow heredity for Chinese maize germplasm.
导入热带种质是拓宽我国玉米种质遗传基础，改变现有亲本自交系遗传基础狭窄的途径之一。
Introduction of tropical germplasm is one of the ways for extending the genetic basis of maize germplasm and parental inbred lines.
因此在深入了解种质资源结构基础上的基因型选择是发掘木薯遗传潜力，适应多种生产需要的研究方向。
However, developing genotype selection pathways by explore germplasm structure to enhance genetic potential for multiple demand to cassava will be focus for research.
种质间的遗传差异并不完全取决于栽培类型间的差异，而与种质问演化关系有关。
The genetic difference between germ plasm depend on mainly their evolution relation, and not was related consequentially to their Culture type.
首先，保存于国际马铃薯中心(CIP)的甘薯种质资源需要有效的遗传工具去鉴别和评价。
First, the germplasm of sweet potato maintained at CIP (the InternationalPotato Center) needs effective genetic tools to identify and evaluate.
对茶树遗传演化的研究，是茶树基础生物学的一个基本问题，也是茶树种质资源研究的重要方面。
The research on the tea genetic evolution is not only a fundamental issue of tea biology but also an important aspect of the study of tea genetic resources.
本研究从东北春大豆3226份总体中选取283份种质作为代表性样品，代表整个东北春大豆总体的遗传基础。
In this study, 283 accessions were sampled from 3226 accessions of Northeast spring sowing soybeans that represented genetic basis of Northeast spring sowing soybeans.
这些新的品系和种质材料丰富了陆地棉的遗传基础。
These new germplasm materials all were the very valuable materials in the cotton breeding.
进一步开展苹果原生质体培养融合技术的研究，对于创造新种质材料，促进原生质体技术在苹果品种和砧木遗传改良中的应用将具有重要的意义。
Therefore, it is significant to further study protoplast culture and fusion which could create new germplasm and be useful to genetic improvements of cultivars and rootstocks in apple.
进一步证明利用分子指纹图谱能够对荔枝种质资源进行科学系统的遗传分类。
It is further testified that molecular fingerprint could supply scientific genetic classification for litchi germplasm.
目前这两种标记系统已开始在多种作物的种质资源鉴定评价、遗传图谱构建(包括转录图谱)、重要性状标记乃至基因分离克隆等方面成功应用。
SRAP and TRAP are being applied in germplasm genetic diversity analysis, genetic map including transcriptome map construction, important trait gene tagging and gene cloning in many crops.
魏斯曼学说认为可遗传的特征来自种质，后天的特征不能被继承的理论。
The theory that all heritable characteristics arise in the germ plasm and that acquired characteristics cannot be inherited.
远缘杂交是创造新物种、新种质以及转移异源遗传物质的有效途径，在理论和实践上都具有重要意义。
Wide cross was an effective method creating new species, new germplasm and transfering exogenous gene, it had important significance in theories and practices.
我国应加强对玉米瘤黑粉病的抗源鉴定与抗性遗传研究，为抗病育种及种质改良提供技术基础。
It is suggested the germplasm identification of resistance to Common smut should be advanced in the future, which would provide technique base for maize breeding and germplasm improvement.
本文概述了RAPD技术在水产经济动物种质资源鉴定和遗传育种研究中的应用情况。
The application of RAPD markers to the studies on germplasm and breeding of aquatic commercial animals are outlined.
挖掘节水耐旱种质资源是做好植物抗旱性和WUE遗传改良的前提。
Developing water-saving and drought-resistant plant germplasm resources are the prerequisite for plant drought resistance and WUE (water use efficiency) genetic improvement.
该结果也从另一方面证明，对于异质种质材料，低的发芽率更新标准是不利于确保种质遗传完整性的维持。
This result also indicated that a low germination percentage standard for regeneration is disadvantageous for maintaining the genetic integrity of heterogeneous accessions.
来自我国西南以及日本两地区的小豆种质遗传离散度较大，遗传分化系数、相似系数平均值较低。
The material from Southwest China and Japan has relatively high genetic dispersion, low Gst and average value of genetic similarity coefficient.
通过INGER试验引进的水稻种质资源对丰富广东水稻育种的遗传背景，提高广东省水稻抗病虫性研究和抗病虫育种水平以及种质研究利用水平具有重要意义。
The gerplasm of rice from INGER in Guangdong take an important contribution in raising the level of studies on resistance to insect pest and disease, rice breeding and gerplasm utilization.
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