【摘要】 探索多元统计方法在茶树品种适应性评价上的应用，为茶树品种的推广应用提供参考。分别对15个茶树品种在湖南长沙的树高、树幅、物候期、成活率、发芽密度、鲜叶产量及制茶品质等性状表现进行鉴定，采用基于主成分分析法和TOPSIS法的评价模型对茶树品种的适应性予以评价。结果表明，基于主成分分析法和TOPSIS综合评价结果，有相同的11个品种优于对照(CK)；相关性分析结果表明茶树品种适应性的综合评价值与鲜叶产量、制茶品质、树幅呈极显著正相关，与发芽密度呈显著正相关；综合评价值高于CK的品种与低于CK的品种在鲜叶产量、树幅、制茶品质上存在显著差异。基于主成分分析法和TOPSIS法的综合评价方法可用于茶树品种的适应性评价。试验筛选出11份适合长沙及相似地区推广应用的茶树品种。更多还原

【Abstract】 To explore the application of multivariate statistical methods in the adaptability evaluation of tea cultivars,providing reference for the promotion and application of tea cultivars.This study identified the tree height,tree width,phenological period,survival rate,germination density,fresh leaf yield,and tea making quality of 15 tea cultivars in Changsha,Hunan.The adaptability of tea tree varieties was evaluated using an evaluation model based on principal component analysis and TOPSIS.The results showed that there are 11 cultivars based on principal component analysis and TOPSIS comprehensive evaluation were superior to the control (CK).The correlation analysis results showed that the comprehensive evaluation value was highly significantly positively correlated with fresh leaf yield,tea quality,and tree width,and significantly positively correlated with germination density.There were significant differences in fresh leaf yield,tree width and tea quality between cultivars with evaluation values higher than CK and those with evaluation values lower than CK.The comprehensive evaluation method based on principal component analysis and TOPSIS can be used for the adaptability evaluation of tea cultivars.11 excellent tea cultivars suitable for popularization and application in Changsha and similar areas were selected through experiments.更多还原