These results, which coincided with current hybrid breeding practices, verified the significance of combining ability in heterosisbreeding.
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。
2
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。
3
The epistatic effects could not be ignored in tobacco breeding. They were one of main causes of heterosis for most characters.