The characters of SP1 variation plants at maturity stage also appeared big changes.SP1 variation plants had short growing period, high seed setting rate, loose plant-type and clavated spike-type.
成熟期SP1代变异株性状也有较大变化,

生育期显著缩短,结实
有所提高,株型向松散

展,穗型则均

棍棒形,株高、穗粒数和千粒重的变化品种间
不一致。
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言,人要到三十岁才能完全成长和强壮。但是女人到了二十岁就


