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中国林科院林科所和山东省果树所等9个科研教学单位协作,选育出我国第一批早实优良核桃新品种16个,中林1.5号、香玲,丰辉、鲁光、陕核1号,西林2号,西扶2号,西扶1号及京861等。这批新品种是通过实生选种和杂交育种等途径,获得优良单株千余株,并进行无性系测定、区域性试验及生产扩大试验等选育完成的,新品种具有侧花芽率高,早期丰产性强的优良性状,4年生后,即进入初期果期,比此方晚实型核桃提早10年。
China Academy of Forestry Linke Institute and fruit trees in Shandong Province and other nine research units in collaboration, breeding China’s first batch of good early Walnut new varieties of 16, Zhonglin 1.5, Hong Ling, Feng Hui, Lu Guang, No. 1 in Shaanxi Province, No. 2 in Xilin County, No. 2 in Xifu, No. 1 in Xifu and No. 861 in Beijing. These new varieties are obtained through seed selection and crossbreeding and other methods to obtain excellent single plant more than a thousand strains, and clonal determination, regional trials and production expansion test and other breeding completed, the new varieties have a high rate of lateral buds, Early high yielding fine traits, after 4 years of age, that is, into the early stages of fruit, walnuts than the late real walnut 10 years earlier.