丽水市林场南山林区1983年采用嫁接换种技术改造10亩油茶低产林,改造后第二年始果,第三、四年平均亩产茶油6.66公斤,比未嫁接换种的3.27公斤增长104.7％。据测算,到盛果期理论产量每亩可达29.61公斤,比未嫁接的提高近四倍。这10亩油茶嫁接换种的接穗选自经过当代鉴定的14个优 In 1983, Nanshan Forestry Area of ​​Forest Farm in Lishui City rebuilt 10 mu of low-yield Camellia oleifera with the technology of grafting, and the second year after transformation, the average fruit yield per mu in the third and fourth years was 6.66 kg, increased by 104.7 kg compared with 3.27 kg without grafting %. It is estimated that to the theoretical yield of fruit up to 29.61 kg per mu, nearly four times higher than the grafted. This 10 acres of Camellia grafting alternative scion selected from the contemporary identification of the 14 gifted