genetic improvement

This paper summarized transgenic technique and application in rice genetic improvement.

本文综述基因转移技术及其在水稻遗传改良上的应用。

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Research progress of the ultrasonic application in genetic improvement of beef cattle

超声波在肉牛育种中应用的研究进展

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Problem in Genetic Improvement of Beef Cattle Production in the China Today

论当前肉牛改良育种中的问题

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The transgenic technology has become a new technical approach to the genetic improvement of rice varieties.

转基因技术是进行水稻品种遗传改良的一种新的技术手段。

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The ratio of biomass up-ground and BSW were no significant changes at different growth stages, this result showed that root and up-ground parts were coordinated evolution in genetic improvement of soybean cultivars.

地上部分生物量与根系伤流液重量的比值在各时期均无明显变化，表明大豆品种的遗传改良过程中地下根系与地上部分器官是协同演进的。

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RNAi and Its Application in Plant Genetic Improvement

RNAi及其在植物遗传改良中的应用

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studies on the genetic improvement of the mud carp ( cirrhinus molitorella) 1. selective cross breeding and analysis of genetic traits

鲮鱼遗传改良的研究Ⅰ.杂交育种和遗传性状分析

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Six of the 28 SSR markers were developed by National Key Laboratory of Crop Genetic Improvement ( NKLCGI) using DNA sequences from GenBank and the other 22 were from data published previously.

28个微卫星DNA标记中有6个为华中农业大学作物遗传改良国家重点实验室根据数据库中序列而设计，其余22个来自美国Cornel大学已发表的结果。

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Since the transgenic technology of pollen tube pathway method was formally established, it has been widely used in crop genetic improvement.

中国学者创立花粉管通道法转基因技术以来，在多种农作物分子育种中得到应用。

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Chilli pepper germplasm resources is a important material basis for genetic improvement, research the kinship of pepper germplasm resources is an important basic technique used to pepper breeding and hybriding.

辣椒资源是开展辣椒遗传改良的重要物质基础，辣椒资源的遗传亲缘关系研究是指导辣椒育种与杂交优势利用的重要基础研究。

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At present, molecular genetics study of common carp had been conducted productively in our country for genetic improvement purpose.

目前，中国以鲤鱼的遗传改良为目标的分子遗传学研究已经开展了大量的工作。

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The narrow-sense contributive ratio of genetic improvement is 36.9% ( 4.2%~ 52.1%);

品种的狭义遗传改良贡献率约为36.9%（4.2%～52.1%），广义遗传改良贡献率约为62.0%。

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The Studies on Genetic Improvement of Barley Yield on Reddish-Acid Soil

酸性红黄壤土上大麦遗传改良研究

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Since the beginning of the breeding to resistance to PWN in Japan in 1973, a lot of researches and works had been made in resistance of native and exotic pine species, resistant testing, genetic improvement of resistance and so on.

始于1973年的抗松材线虫育种，从松树造林材料的遗传改良、国内外松树对松材线虫的抗性、抗性检测方法以及抗性育种的可行性等方面进行了大量的研究。

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The genetic map with 221 markers was constructed by Crop Genetic Improvement National Key Laboratory in Huazhong Agricultural University. The markers included 175 RFLP markers, 45 SSR markers and 1 morphological marker.

所用的遗传图谱是由华中农大作物改良国家重点实验室构建的，共有221个标记，其中包括175个RFLP标记、45个SSR标记和1个形态标记。

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Plant transgenic technology is a novel way in crop genetic improvement.

植物转基因技术开辟了作物遗传改良的新途径。

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Establishment of rice tissue culture system is the foundation of research on gene functions and rice genetic improvement based on biotechnology.

水稻组织培养体系的建立是深入研究基因功能及利用基因工程技术对水稻进行遗传改良的基础。

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Preparation of protoplasts are basic techniques for genetic improvement of plants and fungi through somatic cell fusion or gene transfer.

原生质体制备技术是通过体细胞杂交或基因转导进行种质改良的基础。

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Therefore, the characteristics of stigma for the genetic improvement can provide a theoretical basis for parental guidance matching to improve the seed production of great significance.

因此对柱头各性状的研究可为其遗传改良提供理论依据，对指导亲本选配、提高制种产量具有重要意义。

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Anther culture is one of the most effective ways of obtaining haploid and homozygotic plants, and it has special significance for the genetic improvement of plants.

花药培养是获得单倍体植株最有效的方法之一，对植物育种有着非常重要的意义。

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studies on inheritance law of seed vigor and yield-related traits was to provide theory reference for genetic improvement and high yield breeding in maize seed vigor.

对玉米种子活力及产量相关性状遗传规律进行研究，可以为玉米种子活力遗传改良与高产育种提供理论参考。

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Research status and some consideration in genetic improvement of elm species.

榆属树种遗传改良研究现状及思考。

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Ecological condition has significant and negative effect on color, gluten quality and starch viscosity, but it is possible to improve the steamed bread and noodle quality of spring wheat varieties in Qinghai province through genetic improvement.

尽管青海的生态条件对面粉颜色、面筋强度和淀粉粘度有较大负面影响，但通过遗传选择提高青海省小麦品种的馒头和面条品质是可能的。

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The positive correlation between 1000-grain weight and grain numbers per spike, plant height and protein content, heading date and spikelet number per spike, have disadvantageous effect on the genetic improvement of wheat-rye recombinant lines.

千粒重和穗粒数的负偏相关对小麦异源（黑麦）重组系的遗传改良有重大影响，打破该相关也相当困难。

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