杂交不育

因此采用胚挽救是克服杂交不育的一种有效的方法。

So the embryo rescue techniques was an effective method to conquer the steril of outbred cross .

但在濒危物种的保护，育种过程中杂交不育机理等基础理论研究以及分子生物学育种的开展等方面还比较薄弱，有待进一步加强。

However , more studies should be done on conservation of rare and endangered species in Lilium , mechanism of cross-sterility and utilization of molecular biology in breeding .

K型杂交小麦不育系繁殖技术研究

Study on Seed Reproduction Technique of Wheat Sterile Line of K Type Hybrid

利用F2群体估计远缘杂交中不育基因的位置和效应的最大似然法

A maximum likelihood method for estimating the position and effect of sterility genes in remote hybridization of plant using an F_2 population

对杂交小麦不育系繁殖中的播期、行比、播量等研究表明：父母本的差播期为二叶期，行比为1∶3（播幅1.5m）；

The seed reproduction techniques of wheat male sterile line such as different planting date , the ratio of male to female line and different female sowing period were studied in the paper .

相同不育系配制的杂交组合不育株率差异不显著；

Sterile plant rate from the same sterile line had not significant difference .

杂交水稻不育系穗型大小与异交结实率的关系

Relation between Panicle Size and Outcrossing Rate in CMS Line of Hybrid Rice

滇型杂交稻不育系和恢复系的籼粳分化特点

Indica-japonica Differentiation Characteristic of CMS Lines and Restorer Lines of Dian-type Hybrid Rice

两系杂交稻不育系组培快繁的研究

Study on Rapid In vitro Propagation of Sterile Line of Two-line Hybrid Rice

杂交粳稻不育细胞质主要农艺性状的遗传效应

Genetic effect of sterile cytoplasm on Some Agronomic Traits in Hybrid Japonica Rice

籼型杂交稻不育系（保持系）的性状比较

Comparison of Characters of CMS Lines and the Maintainers in indica Hybrid Rice

荧光原位杂交技术分析不育男性精子X、Y及18号染色体

An Analysis on Chromosome X , Y and 18 of Sperms by Fluorescence in-Situ Hybridization in Infertile Men

双色荧光原位杂交检测男性不育患者精子X和Y染色体

The Establishment of an Approach to Dual-color Fluorescence in Situ Hybridization of Sperm Chromosome X and Y in Male Infertility

杂交水稻和不育系种子的劣变与生理生化变化

The deterioration and the physiological and biochemical changes of hybrid rice seeds

3个自选玉米杂交种雄性不育化育种过程及其利用

The Male Sterility Breeding Process and Utilization of Three Optional Maize Hybrids

2种茉莉酸类物质对杂交水稻两系不育系的调花效果

Effects of Two Kinds of Jasmonates on Two-line Hybrid Rice Seed Production

杂交水稻制种不育系穗上发芽特性

Characteristics of Pre-harvest Sprouting in Sterile Lines in Hybrid Rice Seeds Production

我国杂交水稻雄性不育性遗传学研究的回顾与展望

The Review and Prospect of Hybrid Rice Male Sterility Genetics Research in China

我国杂交水稻雄性不育细胞质研究的进展

Advance in the studies on the male sterile cytoplasm of hybrid rice in China

稻粒黑粉病已成为杂交制种及不育系繁殖的一个重要病害。

Rice kernel smut has become a major disease of the sterile line of hybrid rice .

杂交水稻制种不育系穗发芽抗性鉴定方法研究

Studies on Testing Methods of Pre-harvest Sprouting of Male Sterile Lines in Hybrid Rice Seed Production

密穗与普通小麦杂交产生雄性不育的研究初报

A preliminary study on the male sterility produced by hybridization between Triticum compactum and Triticum aestivum

杂交水稻雄性不育恢复基因的遗传机理是一个非常复杂的生物学现象，许多学者对其进行了探讨。

Fertility restoring genetic mechanism of rice cytoplasmic male sterility system is a complex phenomenon , which has been vigorously studied .

即通过配子不成熟、不受精的前合子生殖隔离和杂交后代的不育、不成活的后合子生殖隔离。

In prezygotic reproductive isolation , maturing or fertilization is prevented , whereas postzygotic reproductive isolation occurs by the sterility or inviability of the hybrid offspring .

东北新三系杂交粳稻BT型不育系开花习性的研究

Studies on Flowering Habits of CMS lines of Japonica Hybrid Rice

实验表明：杂交后代的花药不育率比较是F1代

The results showed the pollen of hybrid offspring infertility rate was : F_1

杂交水稻长柱头不育系&海A的选育研究

Long Stigma Hybrid Rice Sterile Line & The Selection and Research of HeiA

7个杂交种的临界不育株率为3.62%－71.05%。

The critical values of sterile plant percentage were 3.62 % - 71.05 % .

用19个籼粳分化特异性随机引物分析了滇型杂交稻10个不育系和38个恢复系的分化特点。

The indica japonica differentiation characteristic of CMS lines and restorer lines of Dian type hybrid rice was studied with 19 indica japonica diagnostic random primers .

十字花科种间杂交亲和性雄性不育细胞质遗传效应油菜雄性不育系与十字花科蔬菜远缘杂交亲和性研究

Studies of male sterile cytoplasmic effects on interspecific cross incompatibility in Cruciferae Compatibility of Distant Hybridization between Different Sterile Lines of Rapeseed and Vegetable Varieties of Cruciferae