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在１９７８～１９８５年实生核桃优良单株初选和复选的基础上，经过品种比较试验、区域试验和大面积生产示范，选育出晋丰和晋龙２号两个优良品种，晋丰为早实品种，丰产性能强，适于在立地较好、管理水平较高条件下矮化密植栽培；晋龙２号为晚实品种，丰产稳产性强，壳厚，取仁容易，可作为漂洗后带壳出口的主栽品种，尤其适宜于广大丘陵山区果粮间作栽培。
On the basis of primary selection and check of excellent single walnut from 1978 to 1985, two good varieties of Jinfeng and Jinlong 2 were bred through variety comparison test, regional experiment and large-scale production demonstration. Jinfeng was Early solid varieties, high yield performance, suitable for better standing, higher management under the conditions of dwarfing close planting; Jinlong 2 late varieties, high yield stability, shell thickness, take Jen easy, can be used as a rinse After the export of the main cultivated varieties, especially suitable for the majority of hilly mountain fruit intercropping cultivation.