品种间杂交

ph基困突变系品种间杂交后代细胞学观察

Cytological Analysis on Hybrid Progenies of ph-gene Mutant Line x Common Wheat Varieties

菊花品种间杂交若干性状在F1代的表现

The performance of some traits of f_1 generation of chrysanthemum varietal hybridization

海岛棉不同果枝品种间杂交纤维品质性状的遗传及F1和F2群体优势分析

Genetic Analysis of Fiber Traits and Population Heterosis for F_1 and F_2 between Different Fruit-Branch Type Cultivars in Island Cotton

大豆不同结荚习性品种间杂交F2世代生育期分离的趋势及不同结荚习性产量因素分析

Correlation between growth period and growth habit and yield in f_2 generation of crosses between soybean varieties of different growth habit

利用结球甘蓝品种间杂交的F1代经自交后得到的F2代为作图群体，采用SSR和AFLP等分子标记方法构建了结球甘蓝分子遗传图谱。

So , the selection of bolting and flowering characters in cabbage were effective in early generations . 4 . A F2 generation population derived from F1 self-cross from crosses between cabbage varieties was used for constructing a genetic linkage map of SSR and AFLP molecular markers .

葡萄品种间杂交后代过氧化物酶同工酶分析

Analysis of Perioxidase Isozymes of Hybrid Progenies among the Grapevine Breeds

百合品种间杂交的初步研究

A Preliminary Research on Cross Breeding Between Lily Cultivars

陆地棉品种间杂交种鄂杂棉3号正反交后代产量性状研究

Study on yield components of offspring of reciprocal cross in upland cotton intervarietal hybrid E-za-mian No.3

陆地棉品种间杂交种杂29高产抗逆的生理生化机理研究

Studies on Physiology and Biochemistry Mechanism of High-yield and Stress-resistance of Upland Cotton Intervarietal Hybrid Za 29

葡萄二倍体与四倍体品种间杂交胚挽救取样时期的确定

Determination of the Proper Sampling Period for Embryo Rescue from Crosses Between Diploid and Tetraploid Grape Cultivars

早晚稻品种间杂交生育期的遗传变异

The genetic variation of the growth duration in the Intervarietal cross between early and late crops of rice

葡萄不同倍性品种间杂交亲和性和后代染色体变异的研究

Studies on the Crossing Compatibility and Ploidy Variation of Chromosome in the Crossing Progenies of Different Ploidy Varieties in Grape

自1984～1992年进行了抗大豆孢囊线虫病的品种间杂交育种选育和示范工作，并选育出84-51新品系。

The cross breeding for SCN was carried out from 1984 to 1992 , A mew strain 84-51 was selected .

烟草对赤星病病菌侵入的抗性较抗病斑扩展的能力更容易通过品种间杂交传递给后代。

The invading-resistance of tobacco plant was proved to be more ready to be delivered to offspring than spreading-resistance to the disease .

通过系统选育和采用抗感品种间杂交，后代进行严格选择，均可以育成抗病高产的小麦品种。

The wheat varieties with high resistance to WSSMV and high yield potential could be developed by both pedigree selection and intervarietal cross .

采用品种间杂交方法，育成了高产多抗淀粉加工型甘薯新品种豫薯13号。

The sweet potato variety Yushu 13 , bred by inter varietal hybridization , is high yielding multi resistant and rich in starch content .

在两个试验点同时观察到两个生长直立的栽培大豆品种间杂交后代生育习性的分离。

Segregation in growth habit was found in the F 2 generation of a soybean cross between two erect cultivated soybean varieties in two experiment locations .

本文分析了茎粗，单茎重，叶面积3个因子对亚种间杂交稻赣化7号与品种间杂交稻汕优63的大穗形成的影响。

The effect of three factors , stem perimeter , weight per plant , and leaf area , on the formation of large panicles was analyzed in this paper .

从不同抗性品种间杂交后代不同抗性单株出现的比例，可以看出小麦品种对赤霉病的抗性不属质量性状遗传。

The proportion of different resistant individual plant of the hybrid progeny of different resistant varieties indicated that the resistance to the scab of wheat was not qualitative character heredity .

对籽粒充实度明显不同的亚种间杂交稻及品种间杂交稻和常规稻的灌浆特性进行了分析，结果表明，不同籽粒充实度的品种其灌浆特性明显不同。

This paper has studied grain-filling characteristics of inter-subspecies hybrid rice combinations with different grain degree , intervarietal crossing rice and conventional rice . The results show that : their grain filling parameters were significantly different .

通过品种间杂交和系谱法选择，育成了甘兰型低芥酸油菜新品种“油研1号”和甘兰型“双低”油菜新品种“油研2号”。

By means of intervarietal crossing and linear selection , the new rape variety " Youyan No.1 " of low erucic acid and " Youyan No.2 " of " Double Low "( low erucic acid and low glusosiolate ) have been bred .

利用抗病和不抗病品种间之杂交和囘交后裔检定，得知ZYMV在胡瓜上之抗病性遗传系受一对隐性因子控制。

From the inheritance study , it is suggested that the resistance of cucumbers to ZYMV was controlled by one recessive gene .

鸢尾属植物部分种间、品种间的杂交育种，共进行了40个组合，有14个组合获得了种子；

We did experience in cross-hybrid breeding between species and varieties in Iris , and had 40 combinations , 14 of them had seeds .

结果表明，由于品种间的相互杂交和复式杂交，大部分恢复系材料间的贴近度已很大，遗传分歧性变小，聚为一类。

The results indicated that most restorer lines clustered as one type with large keep close degree and small hereditary difference due to inter - crossing and complex & crossing .

然而，由于栽培历史悠久且缺乏足够的文字记载，而且梨不同栽培种的品种间很容易杂交，栽培种的分类与品种归类至今仍存在许多问题，有待研究。

However , because of long cultivated history and lack of enough writing record , and that cultivars of different species can hybridize each other , many problems correlative to taxonomy and classification of pear cultivars are under solution .

我国养殖品种多数属于种间杂交种，其种质遗传基础1/2以上均来自我国原种群海带（LaminariaJaponica），品种单一化存在遗传脆弱性的巨大威胁。

Most of cultivated varieties are interspecific hybrids , 1 / 2 or more of the genetic bases of their germplasm are from the original population Laminaria japonica . Single species exist great threat of genetic vulnerability .

品种观察了种间杂交时花粉萌发及花粉管的生长状态。

Varieties were used for observing the pollen germination and the growing state of the pollen tube under interspecies crossing conditions .

硼效率系数与高效亲本达显著相关，说明甘蓝型油菜硼高效品种与低效品种间的杂交一代表现为硼高效，硼营养高效性状为显性。

Character , and the relative high boron concentration of boron-efficient cultivars in stem at the condition of boron deficiency may be a mechanism of rapeseed boron-efficient nutrition .

我国现有梨树，是野生种类和栽培品种种间和品种间杂交天然进化的结果，具有多种类的基因组成，这对梨的育种具有重要意义。

It is very significant to pear breeding that the Chinese wild species and cultivars are composed of the gen-es involving many species that result from the natural evolution of complex crossing between species or varieties in China , occuring in nature .