Selection Breeding

Using molecular marker assisted selection breeding can speed the breeding process , improve the accuracy of choice .

利用分子标记辅助选择育种可以加速育种进程，提高选择的准确性。

Selection breeding is the process of choosing plants showing desirable characteristics and generating seed from them .

选择育种是挑选具有人们所需性状的植物后，再由它们产生种子的过程。

The systematic selection breeding programs played an important role but has since declined .

系统育种也曾起过重要作用，但这一作用也逐渐低落。

Growth rate in 2001 was higher than that in 2000 , which showed the effect of selection breeding .

公羊在2001年杂交羊生长速度比2000年有所增加，体现了选育工作的效果。

Selection Breeding of Strain I of Hubei Red Chicken

湖北红鸡I系选育报告

Selection Breeding of Wenchang Chicken and its Genome Comparative Analysis By Using RAPD Under Selection

文昌鸡的提纯选育及选择作用下基因组DNA的RAPD比较分析

Index and Strategy in Different Variation Levels on Selection Breeding for Pulpwood in Masson Pine

马尾松制浆造纸材良种选育目标及不同变异层次选择策略

Variation , Genetics and Strategy on Selection Breeding of Pulp Wood of Masson Pine

马尾松造纸材的变异、遗传和选择育种策略

For mass selection breeding offspring , quarantine measures should be taken to avoid the pollen pollution .

采用选择育种时，对于混合选择和单株选择后代，要采取适当的隔离措施，以免花粉污染。

The selection breeding of new Prunus mume varieties

南京梅花优良新品种选育

Studies on Selection Breeding and Utilization of Zhong 4 , Zhong 5 as New Resistance Sources to Wheat Yellow Dwarf Virus

小麦黄矮病新抗源中4、中5的选育及应用研究

Using the selection breeding through inferior culture of the spores , it has achieved genetic stability of the choiceness character .

并通过孢子的亚培养进行定向选育，使高产性状得以稳定遗传，为促进工业化发酵生产天然β-胡萝卜提供了必要的手段。

The results would be beneficial for further study on the traits related to chlorophyll content in cucumber , as well as molecular marker-assisted selection breeding .

这为进一步开展黄瓜叶绿素含量相关性状的研究，以及分子标记辅助选择育种奠定了基础。

Cross breeding genetic algorithm , mutation breeding genetic algorithm and selection breeding genetic algorithm are presented , which imitate different breeding technique in bionic engineer .

模仿生物工程上的不同育种技术，提出了三种育种遗传算法，即杂交育种遗传算法、诱变育种遗传算法和选择育种遗传算法。

Yellow-seed B. napus can be obtained by systematic selection breeding , hybridization breeding , physical & chemical mutagenesis and biotechnologies etc.

可以通过系统选育、杂交选育、理化诱变及生物技术选育等方法获得甘蓝型黄籽油菜。

The microsatellite markers produced by this study will be of benefit to further studies on the evolutionary genetics and provide useful tools for marker assisted selection breeding or genetic map .

鉴定的微卫星分子标记为进行银鲫群体遗传学和进化遗传学研究，以及银鲫的分子标记育种和进行基因组作图提供了理想的工具。

So the important basis that the dissection structure of the poplar timber can be cultivated as the index , seed selection breeding and orientation of appraising the poplar material , quality .

因此杨树木材的解剖结构可以作为评价杨树材性、品质的指标和选种育种及定向培育的重要依据。

Thus T allele of Pit-1 gene could be used as one of selective markers of high growth rate in pig breeding , and this study provided a basis for marker assisted selection breeding .

所以在猪的育种中可以把Pit-1基因的T等位基因作为高生长速度的标记基因之一，为实施标记辅助选择育种提供依据。

In this paper , the author reviewed the study in Chinese medicinal plant breeding from the following aspects : selection breeding , crossbreeding , induced mutation breeding , tissue culture and improved variety propagation , etc.

本文从选择育种、杂交育种、诱变育种、组织培养育种及良种繁育几个方面综述了我国药用植物育种工作研究概况。

This paper introduces grafting method for Larix kaempferi , collection and selection breeding of clone , division of seed orchard , planting density and its pattern as well as management technology after seed orchard established .

本文介绍了日本落叶松的嫁接方法，无性系的收集及选育，种子园的区划、栽植密度及栽植方式，以及营建种子园后的经营管理技术。

In this paper , the present status of research on Rice Recurrent Selection Breeding was summarized , after photosensitive genic male sterile rice was discovered and utilized . Its durability was revealed , problems and countermoves of the research were discussed .

本文重点介绍了发现和利用光敏核不育水稻之后水稻轮回选择育种研究的现状，在水稻育种中利用该方法的特点和开展该领域研究的问题与对策。

The carcass lean-meat percentage of the neuclear group has been raised from 46 . 25 % to 51 . 47 % through the selection breeding during the seventh 5-year plan period demonstrating the complete possibility of transforming Jinhua pig into a lean-meat one .

核心群经过七五期间的选育，胴体瘦肉率从46.25%提高到51.47%，这表明把金华猪改造成瘦肉型猪种是完全可能的。

Study on the Establishment of Swine Selection and Breeding Systems

猪品种选育及繁育体系建立的研究

Selection and Breeding of The New Variety of The Carrot

新透心红胡萝卜新品种的选育

Status quo and Achievement of Rubber Selection and Breeding in Yunnan

云南橡胶树选育种工作进展和成就

This method may provide a reference for the selection and breeding of new maize varieties .

该方法可为玉米新品种选育提供参考。

The Achievement and Developing Strategy on Variety Selection and Breeding of Poplar in China

中国杨树良种选育成就及发展对策

The Optimal Selection of Breeding Pattern of Commodity Fish Base in Zhengzhou

用对比系数法对郑州市商品鱼基地养殖模式的优选

Selection and Breeding of New Lines and New Variety of Ornamental Kale

观赏型羽衣甘蓝新种质及其新品种选育

Non-vector introduction technique for new germplasm selection and breeding in Rice

用非载体转移技术选育水稻新种质研究