徽旱S是安徽省农业科学院水稻研究所以绿102S为母本，与耐旱恢复系绿旱1号杂交选育的耐旱温敏核不育系，2016年8月通过安徽省技术鉴定。徽旱S不育特性较好，柱头外露率和异交结实率较高，抗性较好，米质较优，所配组合杂种优势强。本文介绍了徽旱S的特征特性及繁殖技术要点。

Huihan S is a thermo-sensitive genetic male sterile rice line with fine drought-tolerance, bred by Rice Research Institute, Anhui Academy of Agricultural Sciences through hybridization of Lv 102S, female parent and drought-tolerance restoring line Lvhan 1, passed technical appraisal of Anhui Province in August 2016. Huihan S has the characteristics of good sterility, higher ratio of stigma exsertion and outcrossing rate, fine resistance and quality, and strong heterosis. The characteristics and propagation techniques were introduced in this paper.