A ccording to the genetic cluster analysis, these recombination lines could be cla s sified into four types, 10-A type, 88-1643 and Chuanyu 12 type, and two recomb inant types.

• 遗传聚类分析将这67个重组系分为四类，即10-A型、88-1643和川育12号型以及两种重组类型。