迁西县盛产板栗,是河北省的板栗生产基地之一,年平均产量1500万斤左右。由于该县板栗含糖多,品质好,味道美,而被誉为“京东板栗”,驰名中外。过去由于采用实生繁殖,后代混杂,优劣不齐,结果晚、产量低,全县平均株产仅10斤左右。为了实现早实、丰产、优质,自1971年进行了板栗选优嫁接工作,从群众报优的1.13万棵单株中筛选 Chensi is rich in Qianxi County, is one of the chestnut production base in Hebei Province, the average annual output of 15 million kg. As the county chestnut sugar-rich, good quality, delicious taste, and known as “Jingdong chestnut,” Chimingzhongwai. In the past due to the use of real breeding, offspring mixed, merits and demerits, the results of late, low output, the county average of only about 10 kg strain plant. In order to achieve early fruiting, high yield and high quality, we carried out the optimal grafting of chestnut from 1971, screened from 11,300 individuals of the masses