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在低纬度、高海拔的贵阳自然低温条件下,按照广适应性籼型水稻两用核不育系选育的光温指标进行严格鉴选,成功地选育出了具有起点温度低(23.5℃),稳定不育期长和可育期自交结实率高的籼型水稻两用核不育系2136S。本文报道了2136S的选育过程及其主要特性。
Under the condition of natural low temperature and high altitude in Guiyang, the light and temperature indices of broad-compatibility indica rice dual-purpose genie male sterile lines were chosen for the strict selection. The low temperature (23.5 ℃ ), An indica rice dual-purpose nuclear sterile line 2136S with stable sterile period and self-fertility. This paper reports the breeding process of 2136S and its main characteristics.