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选育和推广良种是提高茶叶产量,改进茶叶品质的一项经济有效的技术措施。中国农业科学院茶叶研究所于1953年从浙江省平阳县桥墩茶场引进平阳云大茶籽进行播种,并对其实生后代进行了10余年的观察,根据发芽期、生长势、适制性及抗性等选种目标进行初步筛选(由中国农科院茶叶研究所育种室其他研究人员进行),对其中一些有希望的单株进行无性繁殖,然后将入选品系定植于预选圃,云旗和云尖就是从预选圃中选出的两个新品系。1986～1990年进行了比较试验,通过比较试验,认为该两品系为适
Breeding and promotion of fine varieties is an economical and effective technical measure to improve the yield of tea and improve the quality of tea. Tea Research Institute of Chinese Academy of Agricultural Sciences in Pingyang County, Zhejiang Province in 1953 from the bridge pier tea plantation Pingyang cloud of tea seeds were sown, and its real offspring for more than 10 years of observation, according to the germination, growth potential, adaptability and resistance (Selected by other researchers at the Tea Research Institute Breeding Room, Chinese Academy of Agricultural Sciences), cloned some of the promising plants for cloning, and then planted the selected lines in preselected fields, Yunqi and Yunjian It is the two new lines selected from the pre-selected garden. From 1986 to 1990, comparative experiments were carried out. According to comparative experiments, the two strains were considered suitable