大果型制干加工枣新品种——晋赞大枣的选育  

Jinzandazao,a new Chinese jujube cultivar with large fruit for drying and processing

作　　者：李登科[1] 王永康[1] 隋串玲[1] 赵爱玲 杜学梅[1] 

机构地区：[1]山西省农业科学院果树研究所,山西太谷030815

出　　处：《果树学报》2011年第6期1130-1131,944,共2页Journal of Fruit Science

基　　金：作物种质资源保护项目(NB2010-2130135-02);林业公益性行业科研专项(2010004041-04);国家科技支撑项目(2008BAD92B03-13);山西省回国留学基金项目(2007-107)

摘　　要：晋赞大枣是从赞皇大枣变异株系中选育出的大果型、极晚熟、制干加工兼用优良枣树新品种。果个特大,红色,倒卵圆形或扁柱形,单果质量29.9 g,大小均匀。果肉较致密,适宜制干或加工,品质较好。鲜枣可食率96.1%,总糖含量28.71%,酸0.40%,维生素C 3 528.2 mg.kg-1。制干率51.0%,干枣可食率91.2%,总糖含量50.61%,酸1.21%。山西中部10月上旬成熟,果实生育期110 d左右,属极晚熟品种。适应性较强,抗病性和抗裂果能力接近于或超过赞皇大枣。Jinzandazao is a late-ripening, drying and processing jujube cultivar selected from natural variations of Zanhuang-dazao. Its fruit with red skin is large and regular in size and obovate or fiat cylinder in shape. Average fruit mass is 29.9 g. It has high quality for drying or processing with compact flesh texture. The content of total sugar is 28.71% ,titratable acidity 0.40%, vitamin C 3528.2 mg·kg^-1 in fresh fruit; total sugar 50.61%, titratable acidity 1.21% in dried fruit. The edible rate of fresh and dried fruit are 96.1% and 91.2% respectively. The percentage of dried fruit portion is 51.0%. It ripens in early October in middle part of Shanxi province, China with fruit development period ll0d. It has a strong adaptability. The disease and cracking resistance of Jinzandazao fruits are the same as those of Zanhuangdazao.

关 键 词：枣 新品种 晋赞大枣 大果型 

分 类 号：S665.1[农业科学—果树学]