backcross的例句大全

The Results of Using Simple Backcross Breeding Method on Resistant to Frogeye Leaf Spot of Soybean

简单回交方法在大豆抗灰斑病育种上应用效果分析

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While the backcross efficiency in combination of medium grain/ big grain type was not obvious until B_3F_1. The transgressive segregation appeared in all backcross generation.

中粒×大粒类型的组合回交至B3F1才有明显效应。回交各世代均存在超亲现象。

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The resistance to fluorine is affected by male-parent effect and there exists a difference between cross and backcross in non-female parent.

抗氟性还受父本的影响，表现非母体的正反交差异。

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The present study proves the feasibility of applying MAS technology to the backcross breeding programs aiming at improving a single quantitative trait.

本研究证明了将标记辅助选择技术应用于旨在改良单个数量性状的回交育种的可行性。

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Excellent line with marking character was selected from F_4, and this line's economic character was greatly influenced by backcross parent.

在F4，所选得具指示性状的优系，其经济性状受父本影响较大。

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The two divergent strains were crossed to establish a conventional F2 segregating population and further a two-way recurrent selection and backcross ( RSB) population.

选择的两个酵母菌株杂交后生成传统的F2群体并随后建立了多世代的双向重复选择回交（recurrent selection and backcross，RSB）群体。

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The related techniques in backcross breeding were also discussed.

对回交育种中的有关技术也进行了讨论。

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Two molecular methods were employed to successfully disclosed characters of the single hybrid zone: ( 1) this hybrid zone was composed of parental species, F1s, F2s and backcross derivatives;

我们通过分子测序和分子标记两种方法，揭示了该杂交区的性质：（1）该杂交区的构成是由亲本、F1代、F2代及回交后代组成；

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Investigating the phenotypes of the advanced backcross segregation population and the near-isolated lines in different environments to analysis function of two BnFT genes together. 3.

在冬春性环境下，分别利用高世代回交分离群体及近等基因系初步解析C6染色体上2个BnFT在不同环境下对开花表型的作用。

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The variance component of cross and backcross generations of quantitative character controlled by multigenes is studied on condition of chromosome translocation.

研究了染色体易位情况下，多基因控制的数量性状杂交及回交世代的方差组成。

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