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山东无棣县是全国金丝小枣的基地县。为使金丝小枣生产良种化,解决金丝小枣结果晚的问题,增加经济收入,缩短产前投资年限,一九七五年以来,在省果树研究所和省、地林业部门的指导帮助下,无棣县的林业技术人员,连续进行了金丝小枣优选,他们发动小枣产区的干部和群众,通过访问、现场调查,初选出七个类型和一个单株。经惠民地区干鲜果选优协作会议鉴定,确定其中长圆薄皮型、
Wudi County, Shandong Province is the base of the National Date of gold jujube. In order to improve the production of golden jujube seeds, solve the problem of delayed production of golden jujube, increase economic income and shorten the period of prenatal investment, since 1975, the provincial Fruit Tree Research Institute and provincial and local forestry departments guidance With the help of forestry technicians in Wudi County, Jizo jujuba was selected for succession. Cadres and masses from the jujube producing areas were mobilized. Seven types and one single plant were initially selected through visits and on-site investigations. Huimin region by the selection of fresh and dried fruit Best Collaboration Conference identified to determine which oblong thin-skinned,