板栗是我国重要的干果树种,已有几千年的栽培历史。过去大都为实生繁殖,粗放管理,结果晚,产量低而不稳,严重影响板栗生产的发展和栽培者的经济收益。 Chestnut is an important dried fruit tree in China, which has been cultivated for thousands of years. In the past most of them were multiples of live births and extensive management. The results were low and the output was low and unstable, which seriously affected the economic development of chestnut production and the growers.