一、选育经过及试验方法渝西1号原名“4006”，由崇庆批粑茶与福鼎大白茶杂交育成。1977年在本所原始材料圃中选择性状良好、分枝较密、生长旺盛的崇庆批把茶为母本，选择引种于本所的福鼎大白茶（生产茶园）花粉作为父本，进行人工杂交，翌年ic月采集成熟的种子，并于11月中旬 First, the process of breeding and test Yuxi No. 1 formerly known as “4006”, by the Chongqing Ding tea and Fu Ding Dabaibai hybrid breeding. In 1977, Zhongyuan, a well-developed and well-branched branch of the original raw materials nursery, chose the tea as the female parent and selected the Fuding dabai tea (tea plantation) pollen introduced in the institute as its male parent Artificial hybrids, collected in the following year ic mature seeds, and in mid-November