stepping cross system是什么意思

用法例句

The pot experiments with 9 nitrogen treatments were conducted in 2003—2004 to study the effects of nitrogen application on 12 root traits responsible for morphology and physiological activity and the correlation between the root traits at heading stage and nitrogen absorption in two-line super hybrid rice Liangyou Peijiu.

2003和2004年,在盆栽条件下以两系超级杂交稻两优培九为材料,设计9个氮肥处理,研究施用氮肥对抽穗期12个根系性状的影响及根系性状与氮素吸收的关系。

The latest progresses in the theory and practice of two-line super hybrid rice breeding in China were summarized.

综述了近年来中国在两系超级杂交稻育种理论与实践中取得的进展,提出了两系超级杂交稻育种的主攻方向和策略,认为以分子育种技术为核心,进行种质创新及亲本遗传改良是今后两系超级杂交稻育种的关键。

A ‘bait’ vector of yeast two-hybrid system that clearly expressed IBV BM-2 protein in yeast cell and ruled out of its self-activation was constructed using Open Reading Frame (ORF).

用B型流行性感冒病毒BM2 蛋白开放阅读框架片段 ,构建酵母双杂交体系中的“饵”载体 ,明确其在酵母细胞中的表达 ,排除自身激活作用 ,并用酵母双杂交法从人cDNA基因库中筛选出与BM2 蛋白相互作用的蛋白。

Objective To gain an insight into the function of FXR1P and guess the relationship between FXR1P and the pathogenesis of fragile X syndrome, yeast two-hybrid system was used to screen proteins interacting with FXR1P.

目的 应用酵母双杂交体系筛选人胎脑cDNA文库中与脆性X智力低下相关蛋白1(FXR1P)相互作用的蛋白质，进而了解FXR1P的功能，推测FXR1P与脆性X综合征发病机制的关系。

Screening of the new ABA signaling components in Arabidopsis using yeast two-hybrid system;

利用酵母双杂交体系筛选拟南芥ABA信号新元件

The interaction of the abscisic acid (ABA) signal components, the ABI1 and AtGluRS, was studied using a yeast two-hybrid system.

利用酵母双杂交体系,研究拟南芥脱落酸(ABA)信号传导元件———蛋白磷酸酶ABI1与谷氨酸-tRNA合成酶AtGluRS间的相互作用。

Three foreign line pigs, Duroc, Landrace and Large White, a local breeding line, Jihe White Specilized mother line B and a pure local line, Taihu pigs were chosen to build crossbreeding system on quality pigs through simulating biology ecnomics process.

选用杜洛克、长白、大白3个国外引进品种,冀合白猪专门化母系B1个国内培育品系,以及1个地方品种太湖猪,模拟杂交繁育体系的生物经济学过程,构建了优质猪的杂交繁育体系,并以每头后备母猪平均每年的利润、每头标准化商品猪的利润、每1000头标准商品猪相对应的母猪头数和商品代出栏猪肌内脂肪含量(肉质指标)4个评价指标对杂交繁育体系进行了优化选择,结果在4种杂交配套组合中,杜洛克×(大白×冀合白猪专门化母系B)经济效率和商品代猪肉质最优。

The results show that the 3 most efficient crossbreeding systems are Hamshire×(Yorkshire × Landrace), Hamshire×(Landrace× Yorkshire) and Hamshire ×(Yorkshire,Landrace)rot.

在特定的繁育方法内，繁育体系的效率随着亲本品种数量的增加而增加；亲本品种数量固定时，终端杂交繁育体系的效率高于终端轮回杂交，而终端轮回杂交繁育体系的效率又高于轮回杂交繁育体系；同时条本品种组分对繁育体系的生产效率具有重要作用。

The understanding of the rate of disseminating genetic gain from nucleus to commercial herds is an important task in the establishment of crossbreeding system for domestic animals.

遗传进展的传递速度是杂交繁育体系建设中的重要问题之一。

Performance and High-yielding Cultural Techniques of Two-line Super Hybrid Rice Liangyou 0293 Planted at Suining,Jiangsu

两系超级杂交稻两优0293在江苏睢宁的种植表现及高产栽培技术

Studies on the Key Techniques of Seed Production in Two-line Super Hybrid Early Rice Combination Luliangyou 996;

两系法超级杂交早稻陆两优996制种技术研究

Y Liangyou 372,a NewTwo-line Late-cropping Super Hybrid Rice Combination with High Yield and Good Grain Quality

高产优质两系超级杂交晚稻新组合Y两优372

Studies on the Dynamic Plant-type of the Supper Hybrid Rice Y Liangyou 1;

超级杂交稻Y两优1号动态株型研究

Comparison on source-sink relationship of ratooning rice and main crop of super hybrid rice

超级杂交稻再生稻和主季稻源库关系比较

Studies on the High-yield Mechanism of Super Hybrid Early Rice Variety Luliangyou996;

超级杂交早稻陆两优996的高产机理研究

Study on grain filling characteristics of two-line super hybrid rice Yanglianyou 6

超级杂交水稻扬两优6号结实特性的研究

Bioinformatics Analysis and Clone of Super Hybrid Rice Liangyou Peijiu EREBP cDNA;

超级杂交稻两优培九EREBP cDNA的生物信息学分析与克隆

The Study of Utilization and Conversion Efficiency for Light Energy in Super-high Hybrid "Liangyoupeijiu" and Its Parents;

超级杂交稻两优培九及其亲本的光能利用及转化效率的研究

Studies on the Influence of Yield and Seed Quality in Seed Production of Super Early Hybrid Rice Luliangyou 996

超级杂交早稻陆两优996制种产量和种子质量影响因素研究

Investigation on the Planting Performance and Cultural Techniques of Super Hybrid rice Y Liangyou No.1 in Huaihua City

超级杂交稻Y两优1号在怀化市种植表现及栽培技术探讨

Performance and High-yielding Cultural Techniques of Super Hybrid Rice Y Liangyou 1 Planted at Hanzhong,Shaanxi

超级杂交稻Y两优1号在陕西汉中种植表现及高产栽培技术

Performance and High-yielding Cultural Techniques of Super Hybrid Rice Y Liangyou 1 Planted at Qiyang,Hunan

超级杂交稻Y两优1号在湖南祁阳种植表现及高产栽培技术

Dissection of QTLs for Panicle Traits in Recombinant Inbred Lines Derived from Super Hybrid Rice,Xieyou 9308

超级杂交稻协优9308重组自交系群体的穗部性状QTL分析

Now Professor Yuan is working on developing super hybrid rice.

现在袁教授正研制超级杂交水稻。

Demonstration and Spread of Super Rice in XinYang;

超级杂交水稻在信阳的示范推广研究

A Study on Nitrogen Management for the Late Stage of Super Hybrid Rice;

超级杂交稻生育后期的氮肥运筹研究

Prospects and advancement in super hybrid rice breeding in China

我国超级杂交稻育种研究进展及展望