Six quality indexes from seven sugarcane varieties were analyzed by regression, path and factor anlysis. These quality indexes include sucrose content in juice(Y),reductive sugar(X1),gravity purity(X2),polarization(X3),apparent purity(X4) and Brix(X5).

• 应用回归分析、通径分析和因子分析对湛江地区7个甘蔗品种的6个主要蔗汁品质指标,包括蔗汁糖分(Y)、还原糖分(X1)、重力纯度(X2)、转光度(X3)、简纯度(X4)和锤度(X5)进行分析。