国家”十二五”科技支撑计划课题”板栗和锥栗高效生产关键技术研究与示范”2013BAD14B04;湖南锥栗优质高效栽培技术研究与产业化示范项目XLK201526.This work was supported by Projects in the National Science & Technology Pillar Program during the Twelfth Five-Year Plan Period ”The Research and Demonstration of Productin Key Technology of Chestnut and Castanea henryi”Grant 2013BAD14B04;Studies on High Quality and High Efficiency Cultivation Techniques and Demonstration of Industrialization of Castanea henryi in Hunan ProvinceGrant XLK201526