【摘要】 １９６５～１９９５年间，云南省林业科学院首次选用我国南方核挑良种云南薄壳核桃（Ｊ．ｕｇｌａｎｓｓｉｇｉｌａｔａＤｏｄｅ）与我国北方新疆早实丰产优株核桃（Ｊ．ｒｅｇｉａＬ），进行两大核桃种群的种间杂交育种研究。按照杂交育种程序，经３０多年的试验研究，已培育出７９１４、７９２６、８０３４、８０６４、８５２２７等５个杂交新品系核桃。所培育出的新品系核桃具有早实、丰产、优质、树体矮化及适应性广等特点，达到了预期的育种目标更多还原

【Abstract】 From 1965 to 1995,research on hybridization between two superior species of walnut were carried out.These two parent materials are J.sigillata Dode and J regia L.In accordance with the procedure of hybridization,through the experiments and researches of over 30 years,five kinds of new strain walnut of early fruiting,high yield,high quality,stem dwarfing,etc.,respectively with the code of`7914’,`7926’,`8034’,`8064’and`85227’were cultivated.更多还原