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,表现为生育期显著缩
,

有所
高,株型向松散趋势发展,穗型则均表现为棍棒形,株高、穗粒数和千粒重的变化品种间表现不一致。
六级听力真题精听
压力实际上可以增强认知功能。



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