The resistance to fluorine is affected by male-parent effect and there exists a difference between cross and backcross in non-female parent.
抗氟性还受父本的影响,表现非母体的正反交差异。
Excellent line with marking character was selected from F_4, and this line's economic character was greatly influenced by backcross parent.
在F4,所选得具指示性状的优系,其经济性状受父本影响较大。
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