Conclusion: The F1 hybrids derived from the crossing of male sterile lines and inbred lines have obvious heterosis. It applied the hybrid heterosis breeding is an effective way for the new variety of Platycodon grandiflorum.
结论:应用雄性不育系配制的桔梗杂种一代杂种优势明显,可以成为一种行之有效的育种途径。
参考来源 - 桔梗主要农艺性状的杂种优势分析·2,447,543篇论文数据，部分数据来源于NoteExpress
These results, which coincided with current hybrid breeding practices, verified the significance of combining ability in heterosis breeding.
这些结果与育种实践相符，表明配合力研究对杂交优势育种有指导意义。
The team made the discovery while hunting for genes that boost heterosis, the phenomenon by which cross-breeding two varieties of plants produces more vigorous hybrid offspring with higher yields.
研究团队在寻找促进杂交优势的基因的时候发现，将两种植物杂交出的更具优势的子代，其产量更高。
The epistatic effects could not be ignored in tobacco breeding. They were one of main causes of heterosis for most characters.
互作效应普遍存在，是烟草性状杂种优势表现的主要原因之一。
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