云南板栗实生栽培面积大, 管理粗放, 结果迟, 产量低, 品质差。采用云南省林业科学院选育的板栗新品系, 对低产板栗园进行嫁接改造, 并采用综合农业技术措施, 加强对改造后栗园管理, 实现了板栗的早实丰产优质高效。为大面积低产栗园改造提供了良种和配套技术, 给板栗产业化形成创造了条件。 Yunnan chestnut live cultivation area, extensive management, the results of late, low yield, poor quality. Using the new chestnut line selected by Yunnan Academy of Forestry, the low-yielding chestnut garden was modified by grafting, and the comprehensive agricultural technology measures were adopted to strengthen the management of the modified chestnut garden so as to realize the high yield and high yield of chestnut. For a large area of ​​low-yield chestnut transformation provides a good variety and supporting technology, to chestnut industry created the conditions for the formation.