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,表育期显著缩短,结实率有所提
,株型向
散趋势发展,
型则均表
棍棒形,株
、
数和千
重的变化品种间表
不一致。