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为了培育仁用杏的优良品种，作者自1979年以来进行了仁用杏的选优工作。1979年对河北省涿鹿县10~15年生的仁用杏“龙王帽”、“一窝蜂”的嫁接树和“大山甜”的实生树进行了普选，选出33个优良单株；1983年从中选出10个优系，并引入国家果树种质熊岳李杏圃观察和鉴评，1992年选出4个优系，1998年6月经辽宁省科委组织的专家组验收，并暂命名为“超仁”、“油仁”。“车仁”和“国仁”。“超仁”为“龙王帽”的优系，其余三个为“一窝蜂”的优系。这4个优系的单仁重和株产等性状均比其母树有不同程度的提高。
In order to cultivate the fine variety of apricot, the author has carried out the selection of apricot apricot since 1979. In 1979, 10 to 15-year old apricot apricots in Zhuolu County of Hebei Province were used for popularizing the tree of “Longwangmao”, “Litter Bee” and the real tree of “Daishantian”, and 33 elite trees Single plant; 1983 selected 10 excellent system, and the introduction of national fruit trees Xiong Yue Li Xingpu observation and evaluation, selected in 1992 four excellent system, in June 1998 by the Liaoning Provincial Science and Technology Commission organized a group of experts acceptance, And temporarily named “Chaoren ”, “oil kernel ”. “Car Ren ” and “Guoren ”. “Chaoren ” is “Dragon King Hat ” excellent system, the remaining three The single-kernel weight, plant yield and other traits of these four excellent lines increased to some extent compared with their parent trees.