早生优质茶树新品种--浙农902

An Early-sprouting and Elite New Tea Cultivar--'Zhenong 902'

浙农902是从鸠坑种种子后代中经单株选拔—扦插扩繁—品比试验—区域试验系统选育而成的适制绿茶新品种。品比和区域试验结果表明,浙农902属于早生种,产量高;制烘青绿茶外形细紧、卷曲、有毫、绿翠,汤色浅嫩黄、明亮,香气清高,滋味尚浓醇、较甘,叶底较细嫩、多芽、绿明亮。春季一芽二叶含茶多酚15.4%、氨基酸8.0%、咖啡碱3.5%、儿茶素类10.4%、水浸出物44.9%。抗寒、抗旱性强,高抗炭疽病,感茶小绿叶蝉。适宜在重庆、贵州、四川、湖南及气候相似地区种植。机采芽叶完整度高。浙农902于2020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(2020)330039。

'Zhenong 902'is a new tea cultivar suitable for processing green tea,which is selected from'Jiuke ngzhong'natural hybrid offspring and bred by systematic selection including the processes of single plant selection,cutting propagation,strain comparison,and regional adaptation experiment.The results show that'Zhenong 902'is an early-sprouting cultivar with high quality.The baked green tea had wiry,curly and tippy,jade green appearance,tender yellow and bright liquor color,clean and high aroma,heavy and mellow with sweet taste,fine and tender brewed leaves with bright green color.Based on the first round picking in spring,the average content of tea polyphenols,amino acids,caffeine,catechins and water extracts in shoots with one bud and two leaves were 15.4%,8.0%,3.5%,10.35%and 44.9%,respectively.It has high tolerance to cold,drought and anthracnose(HR),but is sensitive to tea green leafhopper(S),It suitable for planting in Chongqing,Guizhou,Sichuang,Hu'nan and other areas with similar climate condition.It showed a high percent of intact bud,one bud and two leaves by machine-plucking.It was registeredregistered by Ministry of Agriculture and Rural Affairs in 2020 with the registration No.GPD tea plant(2020)330039.