Strong heterosis cross also had high genotype value.

优势强的组合，其基因型值较高；

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To achieve this, heterosis utilization is proved to be a very effective way.

实践证明，杂种优势利用是提高油菜产量的主要途径。

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To achieve this, heterosis utilization is proved to be a very effective way.

实践证明，杂种优势利用是提高油菜产量的主要途径。

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