通辽地区小麦不同播期的生育表现初报

Bearing Manifestation of Wheat in Different Sowing Stages

小麦分期播种试验结果表明，高纬度地区春性品种均能在田间无低温条件通过春化阶段而抽穗结实。春播播期延迟，生育进程加快，株高降低，千粒重下降。夏播秋收，千粒重又有增加趋势。

Experimental results that the wheat were sowed by stages showed that the vernacizedvarieties in high latitude zone could complete the vernacization phase. What’s more, ear and produce fruits, in the fields without low temperture. If spring sowing, sowing time postponed: beating developments fasten; the height reduced; the weight (are thousand wheat seeds) dropped. Ifsummer sowing and autumn harvest, The weight has a tendency to in crense again.