【Objective】This paper aims to study the 14 indicators of the Xinjiang 17 colored cotton varieties( including major agronomic traits,yield and fiber quality traits),hoping that principal components analysis will provide a theoretical basis for extending the application of colored cotton in our region. 【Method】In this paper,principal component analysis was applied to analyze 17 colored cotton varieties in Xinjiang starting from the sample correlation matrix. 【Result】Through the analysis of the major agronomic...