茶树叶色黄化型新品种金凤1号选育研究  

Breeding Report of Chlorosis-Specific New Tea Plant Variety Jinfeng 1

作　　者：李兰英[1,2] 尧渝 龚雪蛟[1,2] 刘东娜 罗晟[3] 胥亚琼 高远[1,2] 罗凡 LI Lan-ying;YAO Yu;GONG Xue-jiao(Tea Research Institute,Sichuan Academy of Agricultural Sciences,Chengdu,Sichuan 610066;Tea Refining and Innovation Key Laboratory of Sichuan Province,Chengdu,Sichuan 610066)

机构地区：[1]四川省农业科学院茶叶研究所,四川成都610066 [2]精制川茶四川省重点实验室,四川成都610066 [3]四川省农业科学院,四川成都610066

出　　处：《安徽农业科学》2022年第19期20-24,共5页Journal of Anhui Agricultural Sciences

基　　金：“十四五”四川省财政现代农业学科建设推进工程项目“茶树黄化紫化等特异新品种选育及配套生产技术集成与示范”;国家茶叶产业技术体系成都综合试验站“现代农业产业技术体系建设专项资金资助”(CARS-19)。

摘　　要：黄化特异新品系金凤1号是从野生四川中小叶茶树群体种中,经单株选择,系统选育而成。金凤1号属灌木型,小叶类,新梢芽叶呈葵花黄,发芽较密;中晚生种,春季物候期比中黄1号晚4~7 d,比福鼎大白晚5~8 d;茶多酚含量(22.40%)和儿茶素总量(20.13%)远高于2个对照品种,氨基酸(4.90%)、咖啡碱(3.80%)含量与对照相当,水浸出物(45.80%)略低于对照品种,适制绿茶、红茶、黄茶,品质优于对照品种;抗寒性、抗旱性相对较强,抗病虫害等级为中抗。Jinfeng 1 is a new etiolated variety selected from the wild-growing Sichuan medium-and-small-leafed tea population by single plant selection and systematic breeding.Jinfeng 1 is shrubby and small-leafed type.The new shoots of Jinfeng 1 showed a color of sunflower yellow and dense germination.The phenological period of Jinfeng 1 in spring was 4-7 d later than that of Zhonghuang 1 while 5-8 d later than that of Fudingdabai.Tea polyphenols(22.40%),total catechins(20.13%)of Jinfeng 1 were extremely higher than those of the two control varieties.The contents of amino acids(4.90%)and caffeine(3.80%)of Jinfeng 1 were similar to the control varieties,while its water extract(45.80%)was slightly lower than the control varieties.Jinfeng 1 was suitable for making green tea,black tea and yellow tea,and its quality of tea production was better than the control varieties.Drought resistance and heat resistance of Jinfeng 1 are relatively strong,and the grade of disease and insect resistance is medium resistance.

关 键 词：茶树 黄化 品种 选育 优质 金凤1号 

分 类 号：S571.1[农业科学—茶叶生产加工]