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西码(Cima)、露易莎·阿凡佐(LuisaAvanzo)是意大利1965年选育出来的欧美杨新无性系.因为它们较Ⅰ—214更为抗病、速生,目前已成为意大利杨树品种比较试验中的标准对照种.1980年3月我们从意方寄给中国林科院的少许插条中拿回2支插穗(每无性系1支),边繁苗,边试验.现将4年引种试验初步结果简报如下.
Cima, LuisaAvanzo is the new clones of poplar in Europe and America bred in Italy in 1965. Because they are more disease-resistant and faster-growing than I-214, they have become poplar varieties of Italy In March 1980, we took two cuttings (one per clone) from the little cuttings intended for the Chinese Academy of Forestry in March 1980, Brief introduction of the preliminary results of the introduction test is as follows.