合子后生殖分离是由杂种后代的无性繁殖而引起的。
Postzygotic reproductive isolation occurs by the inviability of the hybrid offspring.
本文研究了油菜种间杂种后代株高与产量性状间的关系。
The relationship between plant height and yield components of rape interspecific hybrids was studied.
用对应分析法对8个棉花野生种的杂种后代共83份材料的主要经济性状进行了分析。
The main economic properties of the species hybrid posterities of 8 cotton wild varieties from 83 portion of materials were analysed.
根据株高性状的遗传和相关性特点，文中还对小麦育种中亲本选配和杂种后代的选择进行了讨论。
The selection of parents and its offspring under wheat breeding program was also discussed in this paper.
通过田间对上述材料的形态学观察发现，上述材料与杂种后代的相似程度基本符合SSR标记得到的结果。
Through morphology observation in fields on these materials, it was found that the similarity between these materials and the hybrids was basically consistent with the results derived from SSR marker.
GS豫豆8号是用系谱法从郑74046品系与尖叶桥梁亲本自然杂交株的杂种后代中选育成的窄叶型大豆新品种。
GS Yudou 8 is a narrow-leafed soybean variety derived from the natural hybrid of Zheng 74046 line and a tip soybean parent material (paternal) with a pedigree selection method.
表明该二体附加系的附加染色体能在杂种后代中稳定传递，不易因遗传排斥而丢失，可用来进行有关农艺性状的基因定位研究。
A conclusion could be made that the alien addition chromosomes in the disomic addition line can steadily pass on to its offspring, which can be used for gene mapping.
对阿克苏地区和酒泉地区主栽的香梨及其常用授粉品种以及部分香梨杂种后代（只见于阿克苏地区）的花粉量做了连续2～3年的重复调查。
The quantity of pear's pollen of Xiangli, the main variety cultured in Akesu and Jiuquan region has been investigated for 2 to 3 years.
以中国高粱胞质雄性不育系“吉农105”为研究试材，用9个常用高粱恢复系与之杂交，并对其杂种后代F 1、F2及BC1的育性分离比例进行了统计调查。
The separation of fertility in F1, F2 and BC1 from crosses between cytoplasmic male sterile line of Chinese sorghum "Jinong 105" and 9 restoring lines of sorghum were statistically analysed.
以中国高粱胞质雄性不育系“吉农105”为研究试材，用9个常用高粱恢复系与之杂交，并对其杂种后代F 1、F2及BC1的育性分离比例进行了统计调查。
The separation of fertility in F1, F2 and BC1 from crosses between cytoplasmic male sterile line of Chinese sorghum "Jinong 105" and 9 restoring lines of sorghum were statistically analysed.
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