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早生高香优质绿茶新品种——中茗66号

2021-09-10韦康成浩王丽鸳李强曾建明阮丽章志芳吴立赟

中国茶叶 2021年5期

韦康 成浩 王丽鸳 李强 曾建明 阮丽 章志芳 吴立赟

摘要:中茗66号是从杭州西湖龙井群体种中经过单株选拔、扦插扩繁和性状鉴定,选育出的优质绿茶品种。试验结果表明,中茗66号属特早生种,产量较高;制作的烘青茶样外形细紧、卷曲、显毫、嫩绿带翠较鲜活,汤色较嫩绿明亮,香气清高、鲜爽、花香显、毫香显,滋味尚浓醇、鲜爽,叶底细嫩、匀齐、有芽、绿明。春季第一轮一芽二叶含茶多酚18.1%、氨基酸5.1%、咖啡碱3.3%、水浸出物46.0%;抗炭疽病,感小绿叶蝉;适宜在杭州及气候相似地区种植。中茗66号于2021年通过农业农村部非主要农作物新品种登记,登记编号:GPD茶树(2021)330005。

关键词:茶树;早生优质;高香;中茗66号

A New Early-sprouting, High-flavor and

High-quality Green Tea

Cultivar——'Zhongming 66'

WEI Kang, CHENG Hao, WANG Liyuan*, LI Qiang, ZENG Jianming, RUAN Li, ZHANG Zhifang, WU Liyun

Tea Research Institute, Chinese Academy of Agricultural Sciences / National Center for Tea Improvement / Key Laboratory of

Tea Biology and Resources Utilization, Ministry of Agriculture and Rural Affairs, Hangzhou 310008, China

Abstract:  'Zhongming 66' is a high-quality green tea cultivar selected from Xihu Longjing tea population in Hangzhouthrough single plant selection, cutting expansion and character identification. The test results show that 'Zhongming 66'is an extra-early sprouting cultivar and has a relatively high yield. The roasted green tea made from 'Zhongming 66'has a delicate appearance, bright and green liquor color, a high, fresh, floral and delicate aroma and mellow andumami taste. The infused leaves are tender, even, and bright green. In the first round of spring, tea polyphenols, amino acids, caffeine and water extract of tea samples (one bud and two leaves) were 18.1%, 5.1%, 3.3% and 46.0% respectively. 'Zhongming 66' showed anthracnose resistance, but sensitive to leafhopper. It is suitable for planting in Hangzhou and areas with similar climate. 'Zhongming 66' was registered by Ministry of Agriculture and Rural Affairs in 2021 with registration No. GPD Tea plant (2021) 330005.

Keywords: tea plant, early-sprouting and good quality, high aroma, Zhongming 66

早生優质茶树品种对于提升茶叶品质、提高产量等都有重要作用。对于绿茶而言,茶叶价格往往随着采摘时间延后而逐步下降。因此,提早开采意味着茶农可以提高茶叶价格,提前抢占市场,对于茶农增收具有重要意义。以龙井43为例,该品种为中国农业科学院茶叶研究所于20世纪60年代从西湖龙井群体种中选育而成,1987年获得全国农作物品种审定委员会认定,编号GS13037—1987。该品种物候期远早于西湖龙井群体种,且品优质佳,目前在杭州西湖区已替代了大部分龙井群体种,成为西湖龙井的当家品种。目前该品种推广已有40余年,如何进一步提升龙井43的品种特点,在早生的基础上,突出品质优势是目前急需解决的问题[1]。基于此,中国农业科学院茶叶研究所采用单株选育法从西湖龙井群体种中选育出早生高香优质品种——中茗66号。……

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