As a general, boll number usually has high midparent or competitive heterosis, the boll weight has middle heterosis, but there is have no midparent heterosis in lint percentage.
一般而言，单株铃数具有较高的杂种优
，铃重具有中等的杂种优，衣
率则偏向双亲一方或居于中间，没有杂种优。
As a general, boll number usually has high midparent or competitive heterosis, the boll weight has middle heterosis, but there is have no midparent heterosis in lint percentage.
一般而言，单株铃数具有较高的杂种优，铃重具有中等的杂种优，衣率则偏向双亲一方或居于中间，没有杂种优。
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