Thus, hybrid sterility in different varietalcombinations may be explained by allelic interaction at different lociIn some hybrids, allelic interaction at two or more independent loci caused hybrid sterility.
不同组合其杂种不育性是由不同位点等位基因的互作引起的,一个组合中引起杂种不育位点数可能是一个或多个。
参考来源 - 栽培水稻杂种不育新基因的定位·2,447,543篇论文数据，部分数据来源于NoteExpress
杂种f 1花药不开裂的原因随其所含的杂合花粉不育基因座位种类和数目不同而异。
The main causes resulting in poor anther dehiscence in hybrid F1 were different with the kind and the number of heterozygous pollen sterility loci.
但因光a纯合态的低衣分，其亲本繁殖和杂交制种时皮棉产量降低，故光a不育系在杂种优势中的利用有优势又有劣势。
However, Guang a has disadvantages as well as advantages in the utilization of heterosis because of its low lint percentage in parent propagation and hybrid seed production.
本文还讨论了新不育系的遗传组成及在油菜杂种优势利用和机理研究方面的重要作用。
The genetic composition of the new sterility and its mechanism and the prospect of its utilization are discussed.
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