Special attention should be given to the decrease of the additive variance of yield trait, and this will most possibly make genetic background narrow.

值得注意的是，产量性状的加性方差有降低的趋势，遗传基础可能变窄。

youdao

Special attention should be given to the decrease of the additive variance of yield trait, and this will most possibly make genetic background narrow.

值得注意的是，产量性状的加性方差有降低的趋势，遗传基础可能变窄。

youdao