Laocha 5

Laocha 5 (Camellia sinensis). Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.356-357. [Applicant] Qingdao Wanli River Tea Co., Ltd, Qingdao Wanli River Tea Professional Cooperative, Rizhao Yuyuanchun Tea Co., Ltd, Shandong Agricultural Technology Extension Center. [Breeder] Liu Bin; Jiang Xing; Yuan Qijun; Li Yusheng; Zhang Wenju; Zhang Junpeng; Jiang Chonghuan; Peng Zhengyun. [Variety Number]: Non-major Crop Variety Registration No. GPD Tea Tree (2024)370006. [Variety Source]: Selected and bred from 'Huangshan Breed' by Qingdao Wanlijiang Tea Industry Co. [Characteristics]: Shrub type, small leaf type, early growing species. The tree posture is semi-open, the growth potential is medium, the branching part is medium, the branching density is medium. The leaf blade is upwardly inserted, moderately elliptic, with a length of 8.0 centimeters, a width of 2.7 centimeters, a yellow-green leaf color, and a sharp apex. The exploitation period is usually in early April, and the one bud and two leaves bloom period is usually in late April. The germination density is medium, and the hair of the warbler is medium. The length of one bud and three leaves is 8.0 centimeters, and the weight of one bud and three leaves is 52.8 grams. The blooming period is in the second half of September every year. The biochemical sample of one bud and two leaves in spring contains 22.8% tea polyphenols, 3.9% amino acids, 2.5% caffeine, 42.5% water leachate. Suitable for green tea. For green tea, the shape is fine and tight, slightly curled, with hair, bright green, the soup color is tender yellow, clear and bright, the aroma is clear and high, fragrant, floral, the taste is more mellow, fresh and crisp, and the leaf bottom is tender, with buds, uniform, tender green and bright. The first growth cycle mu yield of one bud and two leaves 89 kg of fresh leaves, 1% less than the control 'Fuding big white tea'; the second growth cycle mu yield 132 kg, 1% less than the control 'Fuding big white tea'. This variety is resistant to tea anthracnose, moderate resistance to tea leafhopper, drought resistance and cold resistance. [Suitable for planting area and cultivation technology points] suitable for spring and fall planting in Shandong alpine area, suitable for greenhouse facility cultivation. Adopt double rows and double plants, transplanting time to 18-25˚C for the appropriate temperature. Keep 3500-4000 seedlings per mu, timely 3 times stereotypes pruning; to leave leaves in batches picking, picking and raising combination; strengthen the tea garden fertilizer management.

崂茶5号 (Camellia sinensis ‘Laocha 5’). 陈亮等. 2024.《中国茶树品种资源志（上卷）茶树登记品种》第356-357页.【申请者】青岛万里江茶业有限公司，青岛万里江茶业专业合作社，日照市御园春茶业股份有限公司，山东省农业技术推广中心。【育种者】刘彬；姜星；袁奇军；李玉胜；张文巨；张俊鹏；江崇焕；彭正云。【品种编号】非主要农作物品种登记号：GPD茶树（2024)370006。【品种来源】青岛万里江茶业有限公司等从‘黄山种’中单株选育而成。【特征特性】灌木型，小叶类，早生种。树姿半开张，生长势中等，分枝部位中，分枝密度中等。叶片向上着生，中等橢圆形，叶片长8.0厘米、宽2.7厘米，叶色黄绿，先端尖锐。开采期一般为4月上旬，一芽二叶盛期一般在4月下旬。发芽密度中等，莺毛中等。一芽三叶长8.0厘米，一芽三叶百芽重52.8克。盛花期为每年9月下旬。春季一芽二叶生化样含茶多酚22.8%，氨基酸3.9%，咖啡碱2.5%，水浸出物42.5%。适制绿茶。制绿茶，外形细紧、略卷曲、有毫、翠绿，汤色嫩黄、清澈明亮，香气清高、馥郁、花香显，滋味较醇和、较鲜爽，叶底嫩、有芽、匀齐、嫩绿较明亮。第一生长周期亩产一芽二叶鲜叶89千克，比对照‘福鼎大白茶’减产1%；第二生长周期亩产132千克，比对照‘福鼎大白茶’减产1%。该品种抗茶炭疽病，中抗茶小绿叶蝉，抗旱性和抗寒性强。【适宜种植区域及栽培技术要点】适宜在山东高寒地区春、秋季种植，宜大棚设施栽培。采用双行双株条栽，移栽时间以18-25C˚为适宜温度。每亩保苗3500-4000株，适时进行3次定型修剪；要分批留叶采摘，采养结合；加强茶园肥水管理。