“SO15”是江苏太湖地区农科所从“武告粳一号”中系统选育而成的优质早熟晚粳新品系。1991年，“So15”参加该所水稻新品系鉴定试验，产量较高．稻谷亩产达680kg／677m2，校对照品讨“秀水04”增产7．5％。1992－1993年分别参加苏州市水稻新品系联合鉴定试验和无锡市水稻品比 “SO15” is a high-quality early-maturing late-japonica new line selected from “Wuzhoushi-1” by the Agricultural Science Institute of Taihu Lake in Jiangsu Province. In 1991, “So15” to participate in the identification of new rice lines in the trial, the higher yield. The output of paddy reached 680kg / 677m2, and the reference product of the school discussed “Xiushui 04” with a yield increase of 7.5%. 1992-1993, respectively, to participate in the joint identification of new rice lines in Suzhou City and Wuxi City, rice ratio