复合杂交

甘蓝型油菜显性黄籽突变体933044产生于甘蓝型黑籽油菜复合杂交第8代。

By composite hybridization between black seeded B.napus varieties ( lines ), the yellow seeded mutant 933044 was found in a F 8 population .

本研究通过复合杂交结合分子标记辅助选择（MAS）培育出新型的籼稻基因渗入热带粳稻品系。

In this study , new type of indica-introgressed tropical japonica lines by multiple crosses with marker-assisted selection ( MAS ) was developed .

用其杂交获得的回交、复合杂交及F2的多数群体表现了生长弱势。

Yield capacity and main agronomic characters were all affected by the cytoplasmic herbicide resistant gene in most of the backcross , composite cross and F2 populations .

水稻复合杂交选育大穗型组合的研究

A study on breeding heavy ear typic combination by complex hybridization

在杂交技术的应用上，宜采用复合杂交、基因渐渗和有利基因累加技术；

In breeding techniques , Multiple cross , gene introgression and benefit gene accumulation should be used .

利用多亲本复合杂交，结合修饰回交、轮回选择的人工或自然病圃全程多逆境鉴定选择育种方法体系。

Multi-parent complex crosses were made in combination with modified backcross and recurrent selection . Choice identification ;

长江流域早籼育种就地异季加代方法研究：利用小麦玉米杂交技术，通过阶梯式复合杂交及异地、异季加代选育了一批综合农艺性状好的稳定糯小麦品系。

Studies on the Additive Generations Method of Early Rice Breeding in the Double-cropped Yangtze River Area in Autumn Many waxy wheat lines with good agronomic characters have been bred .

其主要研究结果如下：复合杂交有助于优良基因的组合和累积，这是选育抗病、高产品种的一个有效方法。

These are the main studied results : 1 . The key point to select varieties is of early . This is the effective method to select varieties with high-yielding and resistance to diseases .

单一的抗病基因容易丧失抗性，我们将多个不同的抗病亲本及优质农艺亲本进行复合杂交，选育出抗病且农艺性状较好的小麦新品系观4。

Normally , the resistance controlled by single gene loses easily in practice . We made multiple cross by using the wheat germplasms with different disease-resistance traits or high grain quality , and developed a new wheat line Guan 4 with strong multiple disease resistances and good agronomic characteristics .

中国尖音库蚊复合组杂交的研究

Hybridization of Culex pipiens complex of China

最后，研究了不同阻尼材料进行复合的杂交阻尼材料设计思想。

Finally , study the design thought about using different damping materials to composite gradient damping material .

Cd、Pb、Cu、Zn、As复合污染对杂交水稻苗的联合生理毒性效应及临界值

The Combined Eco-toxicological Effect of Cd , Pb , Cu , Zn and As Pollution on a Hybrid Rice Seedling and the Critical Value

概述国外高性能船舶的发展现状和趋势，阐述在国际上得到广泛重视的复合高性能杂交三体船的发展、原理、技术特点。

The paper introduces the current development and trend of high performance ship abroad , and expatiates the exploitation , the principles and technical qualities of high performance hybrid trimaran which is believed with the most significant advance in marine hulls of this century .

我国尖音库蚊复合组蚊虫的杂交及其与Wolbachia感染的关系

Hybridization and Wolbachia infection in the Culex pipiens complex in China

Hahn-Tsai复合材料的非线性杂交应力有限元方法

The nonlinear hybrid stress finite element method for Hahn-Tsai composite materials