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露伊莎、西玛是意大利七十年代选育的二 个速生、抗病新品种。1979年以河北省林业局 华践同志为团长的中国林业考察团,在意大利 考察时注意到这二个品种并提出引种建议。 1979冬中国林科院杨树专家黄东森等同志由意 引进。在河北省林业厅安排下,在保定地区林 科所进行了引种研究。与此同时,中国林科院 与山东 山西等十余省协作开展了不同气候分 区生态适应性试验。经各省联合分区7年研究 结果,证明适于我国华北中原平原地区发展。 河北、山东二省分别于1986年10月和12月通过 了省级鉴定。
Luisa, Cima is the seventies of Italy breeding two fast-growing, disease-resistant new varieties. In 1979, the Chinese forestry delegation headed by Comrade Hua Jian of Hebei Provincial Forestry Bureau paid attention to the two varieties and proposed the introduction of the introduction during the inspection in Italy. 1979 winter Chinese Academy of Forestry poplar expert Huang Dongsen and other comrades intentionally introduced. Under the arrangement of the Forestry Department of Hebei Province, introduction research was carried out in Linke, Baoding area. At the same time, the Chinese Academy of Forestry and the Shanxi Province, Shandong and other provinces in more than 10 coordinated ecological adaptation trials carried out in different climates. The results of the seven-year joint study by provinces show that they are suitable for the development of the plains of Central Plains in North China. Hebei and Shandong provinces passed provincial appraisals in October and December 1986, respectively.