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代异株性状也有较大
,
现为生育期显著缩短,结实
有所提高,株型向松散趋势
,
型则均
现为棍棒形,株高、
粒数和千粒重的
品种间
现不一致。