高咖啡碱茶树品种生物学性状及生化品质特征研究  

Biology character and biochemistry quality characteristic research of high caffeine tea variety

作　　者：李家贤[1] 黄华林[1] 何玉媚[1] 晏嫦妤[1] 卓敏[1] 

机构地区：[1]广东省农科院茶叶研究所,广东英德513000

出　　处：《广东农业科学》2010年第3期65-68,共4页Guangdong Agricultural Sciences

基　　金：国家科技攻关计划项目(2001BA502B02)

摘　　要：研究结果表明,优选1号、6号、11号、13号等4个杂交选育的高咖啡碱品种属小乔木,大叶种,树姿半开张,生长势强、萌芽早,芽叶粗壮,色泽黄绿,多茸毛,产量特高,比云南大叶种高62%以上,移植成活率达97%以上,栽培适应性强;一芽二叶生化成分含量丰富,咖啡碱、茶多酚、儿茶素、氨基酸及水浸出物均高于云南大叶种,其中咖啡碱含量尤为特出,春茶达5.11%～6.15%,比对照种高25.86%～51.47%,生化变化规律,咖啡碱、氨基酸含量春茶>夏茶>秋茶,茶多酚、儿茶素、水浸出物含量夏茶>秋茶>春茶,适制高档红茶。滋味浓强鲜爽,汤色红艳,香气高爽,部分品种花香明显,其品质表现与生化物质含量相吻合。高咖啡碱茶树品种的育成为开发天然植物咖啡碱,茶树资源多用途开发提供了新的途径。Study shows that the breeding of hybrid varieties of high-caffeine was Small tree, and Belongs large-leaved species. The production than large-leaved species in Yunnan high above 62%, the transplant survival rate more than 97%,and the cultivation adaptability was very high. the caffeine content was 5.11%-6.15%, It compared to compares high 25.86%- 51.47% .The high caffeine tea tree variety nurtured into the development natural plant caffeine, the tea tree resources multipurpose development has provided the new way.

关 键 词：茶树 咖啡碱 生物学性状 生化品质 

分 类 号：TS272.2[农业科学—茶叶生产加工]