Investigation on variation and correlation of the main nutrition quality traits of Ziziphus Jujuba cv.Huizao from south of Xinjiang

Through measuring the fruit nutritional quality of Ziziphus jujuba cv.Huizao from six areas in Xinjiang and one from its original introduction area,the nutritional quality variety within different producing areas to offered foundation for the cultivation and utilization of Xinjiang.The results showed:(1) the nutritional quality from different producing areas had certain difference,the order of total sugar was Ruoqiang County Wensu CountyAkesu CityShaya CountyBachu CountyQiemo CountyXinzheng city.Compared with original introduction area,the jujube form Xinjiang had more content of suga,Vc and chrysin the fruits from Xinzheng city of Henan province had more mineral elements.(2) Correlation analysis on sixteen nutritional quality factors and twelve characters showed significant correlation.These showed the mutual restriction and positive effects in quality forming process.(3) the cluster analysis displayed that there had a marked difference of Ziziphus jujuba cv.Huizao fruit nutritional quality between the producing areas of Xinjiang and original introduction area,and it also showed a obvious variation amonge different producing areas in Xinjiang.The difference of jujube fruit nutritional quality could objectively reflected the variation from different producing areas and the result couldbe used for nutritional quality evaluation.