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辽宁杨(鲁×山)是以鲁克期杨(1—69/55)Populvs deltoides Marsh cv. ’Lux’、山海关杨P. deltoides cv. ’Shanhaiguan’为母本和父本,采用离体水培、人工杂交、集团选择而育成的,并由中国科学院应用生态研究所王战教授定名为Populus×liaoningensis C. Wang et H. D. Chen Sp. nov.。同时选育的新杂交种还有辽河杨
Populus deltoides Marsh cv. ’Lux’ and P. deltoides cv. ’Shanhaiguan’ were used as female parent and male parent of Populus deltoides (1-69 / 55) Breeding, artificial breeding, group selection and breeding, and by the Chinese Academy of Sciences Institute of Applied Ecology Professor Wang Zhan named Populus × liaoningensis C. Wang et HD Chen Sp. Nov .. New hybrids are also breeding Liaohe Yang