Abstract: Huaixiangjing 15 (coded Huai 6188) was a new rice variety certified in 2013 by the Crop Approval Committee at Jiangsu Academy of Agricultural Sciences. Using the data collected from the regional trials on the late-sowing, late-mature Japonica rice in Jiangsu during 2011-2012, the variation and regression coefficients from a t test analysis on the fertility characteristics, production stability, and adaptability of Huaixiangjing 15 were compared with those of Nanjing 44 and Wuyunjing 23 (CK). The results showed a significant superiority of the new variety over CK on all those aspects. It was, thus, considered a newly added desirable late-maturing, high-yield, medium-grain Japonica rice.

Key words: rice variety, Huaixiangjing 15, high-yield, production stability, adaptability