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早籼“乌珍1号”系我组于1979年夏季用IR30∥IR29/凤选4号复合杂交、经系谱法连续六代选育,于1932年定型。一、“乌珍1号”的主要特征特性“乌珍1号”对温度反应敏感,其发育阶段遇到高温,生育期明显缩短。厦门大学农场于7月25日播种,8月8日移栽,10月 1、生育期:早季栽培全生育期122-128天,属早稻中迟熟类型,据1983年厦门市九个品比点试验,平均全生育期124天,有关试验单位对“乌珍1号”生育期记载列表如下。
Early indica “Wuzhen 1” Department of my group in the summer of 1979 with IR30 // IR29 / Fengxuan 4 hybrid cross, by genealogy six generations of breeding, in 1932 stereotypes. First, “Wuzhen 1,” the main characteristics of “Wuzhen 1” sensitive to temperature, its developmental stage encountered high temperatures, significantly reduced the growth period. Xiamen University farm sown on July 25, August 8 transplanting, October 1, the growth period: the early growing season 122-128 days of cultivation, is a late-maturing type of early rice, according to nine items in Xiamen City in 1983 Compared with the point test, the average whole-growth period was 124 days. The list of the reproductive periods of “Wuzhen 1” by the experimental unit is listed as follows.