Comprehensive Evaluation of Important Fruit Qualities of 38 Longan Varieties in Zhanjiang Area
19 important fruit quality traits of 38 longan cultivars in Zhanjiang were determined and analyzed with principal component analysis,correlation analysis and comprehensive evaluation.The results showed that different longan cultivars had different performance on single quality index.Dawuyuan had the largest single fruit weight,and fruit weight of Guixiang was the smallest.The pulp of Dongbao No.9 was the thickest,the edible rate of Dawuyuan was the highest,the content of vitamin C in Guiming No.1 was the highest,and the total soluble solids(TSS)content of Naling was the highest,followed by Shixia.The sugar-acid ratio and sol-id-acid ratio of Zaobaijiao were the highest.The cumulative contribution rate of four principal components(fruit flavor,fruit size,pulp content,fruit shape index and pericarp thickness)in principal component analysis was 83.850％.The comprehensive scores of principal components implied that the quality of Shuangmamu,Hongfang,Chuliang,Shixia and Gushan No.2 were better.Those four cultivars were recommended for plant-ing in Zhanjiang.
万方数据
维普
