Laocha 8

Laocha 8 (Camellia sinensis). Chen Liang et al. 2024. Records of Tea Cultivars and Resources of Chinese Tea resources (Volume I)-Registered Tea Cultivars. p.354-355: [Applicant] Qingdao Wanli River Tea Industry Co., Ltd, Qingdao Wanli River Tea Professional Cooperative, Rizhao Yuyuanchun Tea Industry Co. [Breeder] Jiang Chonghuan; Jiang Xing; Liu Bin; Yuan Qijun; Li Yusheng; Zhang Wenju; Zhang Junpeng. [Variety Number] Non-major Crop Variety Registration No. GPD Tea Tree (2024)370005. [Variety Source] Qingdao Wanli River Tea Co., Ltd. and others selected and bred from a single plant of 'Huangshan'. [Characteristics] Shrub type, medium 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 8.2 centimeters, a width of 2.8 centimeters, a yellow-green leaf color, and a sharp apex. The exploitation period is generally in early April, and the full bloom of one bud and two leaves is generally in late April. The germination density is medium, and the velvet is medium. The length of one bud and three leaves is 8.2 centimeters, and the weight of one bud and three leaves is 52.1 grams. The bloom period is in late September every year. The spring bud and two leaves contain 23.1% of tea polyphenols, 3.9% of amino acids, 2.6% of caffeine, and 42.8% of water leachate. Suitable for green tea. For green tea, the shape is tight and fine, slightly curled, with hair, tender yellow and moist, the soup color is tender green, clear and bright, the aroma is high and fresh, with tender fragrance, the taste is mellow and sweet, and the bottom of the leaf is tender, with buds, even, tender green and bright. The first growth cycle mu yield of one bud and two leaves 92 kg of fresh leaves, 2% higher than the control 'Fuding Dabaicha'; the second growth cycle mu yield 140 kg, 4% higher than the control 'Fuding Dabaicha'. This variety is highly resistant to tea anthracnose, resistant to tea leafhopper, drought resistance and cold resistance. [Suitable for planting area and cultivation technology points] Suitable for planting in Shandong alpine area in spring and fall, suitable for greenhouse facility cultivation. Adopt double rows and double plants, transplanting time to 18-25˚C suitable temperature. Seedlings per mu 3500-4000, timely 3 times stereotypes pruning; to leave leaves in batches picking, picking and raising combination; strengthen the tea garden fertilizer management.

崂茶8号 (Camellia sinensis ‘Laocha 8’). 陈亮等. 2024.《中国茶树品种资源志（上卷）茶树登记品种》第354-355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】江崇焕；姜星；刘彬；袁奇军；李玉胜；张文巨；张俊鹏。【品种编号】非主要农作物品种登记号：GPD茶树（2024)370005。【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，中叶类，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，中等椭圆形，叶片长8.2厘米、宽2.8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，茸毛中等。一芽三叶长8.2厘米，一芽三叶百芽重52.1克。盛花期为每年9月下旬。春季一芽二叶含茶多酚23.1%，氨基酸3.9%，咖啡碱2.6%，水浸出物42.8%。适制绿茶。制绿茶，外形较紧细、略卷曲、有毫、嫩黄较润，汤色嫩绿、清澈明亮，香气高爽、有嫩香，滋味醇厚、甘鲜，叶底细嫩、有芽、匀齐、嫩绿明亮。第一生长周期亩产一芽二叶鲜叶92千克，比对照‘福鼎大白茶’增产2%；第二生长周期亩产140千克，比对照‘福鼎大白茶’增产4%。该品种高抗茶炭疽病，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18-25˚C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。