性状分离

柚杂交一年生苗性状分离初步研究

Preliminary Study on the Segregation of Character of 1-year Old Seedlings of Pummelo Hybrid

SP1-1自交后SP2均为无限生长习性，但SP3以后出现株高和生长习性的性状分离。

All the plants in SP_2 population from the self-crossed seeds of SP | - 1 were indeterminate growth habit .

叶片形态偏离正常的孟德尔式遗传，正反交F2与回交B2世代之间性状分离结果呈现出显著差异，而且这种分离差异在高世代衍生家系间以及不同交配系统中和不同年度间表现一致。

It was shown that the inheritance of leaf shape deviated from the Mendelian manner . The segregation ratios differed significantly between the reciprocal crosses in the F_2 generation as well as in the BC_2 generation .

然而，原植物数量性状分离分析DOS版本计算软件的操作性、算法和功能模块等方面都存在一定缺陷。

However , some shortcomings for the DOS version of segregation analysis software of quantitative traits , i.e. , operability , algorithms , functional modules and exist .

F2的性状分离极其复杂，有三个主要类型即亲本类型与中间型，减数分裂中期二价体数变动在14-20间、单价体数变动在0-14间；

The characters of F_2 have very complex segregation and have three species of parent or middle , bivalent number from 14 to 20 and univalent number from 0 to 14 at metaphase of meiosis in F_2 ;

中国美利奴羊多胎品系选育中多胎性状分离与BMPR-IB基因型的相关性分析

Relationship Analysis of Genotype of BMPR-IB gene and Segregation of Prolific Character in Chinese Merino Prolific Strain Sheep

枣实生后代性状分离研究

Study on the trait segregation of Chinese jujube naturally pollinated seedlings

苜蓿自交亲和性、授粉方式及后代性状分离的研究

A study of self-compatibility and pollinations and separation of offspring traits of alfalfa

香菇与平菇的融合子后代性状分离研究

Study on Segregating Traits of Fusant Progeny of Lentinus edodes and Pleurotus sapidus

结果表明，回交前2代，性状分离严重，杂交优势强。

The results showed that characters were separated in first two generations , and strong heteroses were exhibited .

家系内不同个体的有些性状分离较大，但枝下高等性状具有较大的相似性。

There is marked character segregation between individuals within the families , while a great similarity in higher characters exist below the branched part .

结合对子代在田间表型性状分离情况，选取了该分离群体作为构建毛白杨遗传连锁图的作图群体。

Therefore , the mapping population of TB01 × LM50 , considering the segregation of phenotypic traits , was selected for the construction of the first genetic linkage map in P. tomentosa .

结果由于空间条件的综合诱变作用，其后代产生多样性、多向性的性状分离变异，并遗传重现于后代；

Result Because of comprehensive space mutation , the characters of their progenies were segregated and varied in many aspects and directions , and the segregated and varied characters were found to be heritable ;

通过F1代自交，对F2代群体叶片斑纹的观测统计，研究银绿斑性状的分离规律。

The segregation of green mottling character was studied by observation and statistic analysis of the F 2 populations .

大豆籽粒兰脐性状及其分离规律

On characters of blue hilum of soybean seed and law of it 's segregation

对这些早熟组合的产量性状在分离群体中的分离趋势进行了研究；

Separation trends of yield components in separating progenies of these early-maturing crosses were described .

植物数量性状遗传分离分析法的拓展

A Study on the Expansion of Segregation Analysis in the Inheritance of Quantitative Traits in Plants

高压静电场可以有效刺激菊花天然杂交种后代花色性状的分离，加快新品系的选育进度。

High-voltage electrostatic field can stimulate the variations of flower color of natural hybrid species significantly and accelerate the breeding schedule of new cultivars .

近几十年，在国外瘦肉型猪种的冲击下，关中黑猪数量急剧减少，许多优良性状发生分离和变化，形成新型关中黑猪。

With the introduction of foreign lean pigs in recent decades , the number of Guanzhong Black Pig drastically reduced , and many excellent traits were separated and changed as a result of the information of " New Guanzhong Black Pig " .

蔬菜作物重要农艺性状相关基因分离的研究进展

Isolation Genes of the Role Agronomical Characters from Vegetable Crops

由此初步建立了植物数量性状遗传体系分离分析方法。

From the proposed theory , the segregation analysis procedure was established for studying the genetic system of quantitative traits of plants .

红小豆籽粒色泽性状F2世代分离分析

Segregation Analysis of the Trait of Seed Color in F_ ( 2 ) Progeny of Adzuki Bean

对来源于同一杂交组合F1的49个花粉植株的四个性状的重组与分离的规律，以同组合F2植株为对照，进行了研究。

The recombination and segregation for four characters in forty nine pollen plants obtained from hybrid F1 of the same cross were studied in comparison with F2 plants of the same cross combination .

F2代种皮性状黑色与红色分离比率为9∶7，说明漯珍一号黑种皮由2对显性互补基因控制。

All the F_1s had black kernels and in F_2 generation segregation in kernel color occurred with the ration of 9 black ∶ 7 red , suggesting that the character of black epidermis is controlled by two dominant complementary genes .

多数性状表现超亲分离，表明RIL群体具有比较丰富的遗传变异，双亲对这些性状有贡献的等位基因在其群体中得到了广泛分离，具有较大的选择潜力。

Most traits performance transgressive segregation , implying that RIL population has a relatively rich genetic variation , alleles for these traits contributed by parents were separated widely , the population had great potential for selection .

生理生化性状测定表明，分离自山蚂蝗、甘草的供试菌中有13株耐酸能力强，能够在pH4.0的培养液中生长；

The physiological and chemical characteristics of all isolates were tested and the results indicated that thirteen strains could grow in culture medium of pH4.0 and four strains isolated from Glycyrrhiza spp.

马铃薯早熟组合重要农艺性状的评价及分离趋势的研究

Evaluation of Important Agricultural Traits and Segregation in Early Crosses of Potatoes

小麦品质性状相关基因的分离及种子淀粉品质的遗传改良

Isolation of Genes Involved in Quality and Genetic Improvement of Starch Quality of Seeds in Wheat

由于其复杂性，只有少部分调控这些性状的基因被分离和证实。

Due to the complex genetic basis of these traits , only a few genes involved in their control have been cloned and characterized .

叶片形态、生长性状、干形性状表现型分离均呈正态分布，表明他们均由微效多基因控制。

The phenotypic of leaf , growth traits and stem form traits are all normal distribution , which indicate that they are controlled by polygons .