楚粳31号系云南省楚雄州农科所育成的常规粳稻新品种，具有产量高，稳产性好，秧龄弹性大、耐迟栽和适宜机插机收等特点。本文总结了其选育过程、主要特征特性和栽培技术要点。

Chugeng 31 is a new conventional japonica rice variety, bred by Agricultural Science Research Institute of Yunnan Province Chuxiong Prefecture. Its has the characteristics of high yield, stable yield, flexible seedling age, tolerance to late transplanting, suitable for machine transplanting and harvesting. The breeding procedure, characteristics, main cultivation techniques of Chugeng 31 were summarized in this paper.