Factor analysis was performed for 10 agronomic traits of 106 sugarcane varieties to select the top 4 factors whose cumulative contribution of variance accounted to 84.097%.

• 对106份引进及自育甘蔗品种的10个农艺性状进行因子分析,选出了4个公因子,其方差累计贡献率达84．097%25。