嫁接换种是目前品种改良最快捷的常用方法。福建省平和县农业局近年成功地在梅占、毛蟹等茶树品种低砧上嫁接白芽奇兰茶，成活率达93％。现将茶树低砧换种的方法简介如下。1．嫁接时间茶树嫁接的最佳时间为砧木萌芽前期。梅占、毛蟹、白芽奇兰的萌芽期基本相同，都在3月下旬。 Grafting is the most commonly used variety of species to improve the current method. Fujian Pinghe County Bureau of Agriculture in recent years, successfully in the plum, hairy crab and other varieties of low-rooted grafted tea buds, the survival rate of 93%. Now the method of changing the tea tree anvil is as follows. 1. Grafting time Tea grafting the best time for rootstocks budding. Mezhan, hairy crabs, white buds Qilan germination basically the same, are in late March.