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迁西县是河北省板栗生产基地,年产量达1000万kg。品优、味美驰名中外,每年出口700万kg左右。但过去多采用实生繁殖,后代优劣不齐,结果晚、产量低,全县平均株产仅4—5kg。为实现早实优质丰产,迁西县从70年代初开始选优嫁接工作,经20余年的培育,原汗儿庄乡杨家峪村3113号栗树(杨家早)、经省市科技人员鉴定,认为是目前我省最优早果早丰板栗优种。除在全省栽培推广外,
Qianxi County chestnut production base in Hebei Province, with an annual output of 10 million kg. Commodity, taste delicious at home and abroad, exports about 7 million kg each year. However, the past, the use of real breeding, the advantages and disadvantages of future generations are missing, the result is late, low yield, the county average yield of only 4-5kg. In order to achieve good early yield and good quality, Qianxi County started its grafting work in the early 1970s. After more than 20 years of cultivation, Chestnut (Yang Jiazao) No. 3113, Yangjiayu Village, formerly of Khan Township, was appraised by provincial and municipal scientific and technical personnel. It is considered as the best early fruit in our province. In addition to cultivation and promotion in the province,