目前低产、低质茶园面积约占50%,而无性系良种面积不足10%,严重影响了名优茶的开发和茶叶经济效益的提高。近年来,推广的茶树嫁接换种,既可加快良种繁育速度,加快成园投产,按常规方法,高水平管理下,扦插苗定植后第二年才可以打头养蓬,第三年试采;而嫁接换种的茶 At present, the area of ​​low-yield and low-quality tea gardens accounts for about 50% of the total, while the area of ​​non-lineal varieties is less than 10%, seriously affecting the development of famous tea and the improvement of the economic benefits of tea. In recent years, the promotion of tea replanting, both to speed up breeding speed, accelerate into the park into production, according to conventional methods, under the management of high standards, the second year after the planting of cutting seedlings can start the first time, try the third year; Grafting another kind of tea