Aigeiros has been regarded as a larger section of Paplar genus.Hybridized among species within Aigeiros section, the appearance and plantation of Populus×eurarnericana in a large scale have been promoting the yield increase of Poplar trees in the world. It is believed that the sufficient gene resources and proper way of breeding are the necessity to bring about a fine clone of Populus × euramericana. Based on the advanced experience of some developed countries, Italy in particular, and in light of the actua...
【更新日期】
2006-10-17
【正文快照】
黑杨派(AIGEIROS)是杨属中较大的一派。黑杨派中的两个种美洲黑杨和欧洲黑杨所产生的种间杂种·一一欧美杨(P。Pulus x euraoerfca二)在世界上,尤其是在欧洲、北美洲、大洋洲以及亚洲的杨木生产中占有重要的经济地位。如意大利种植的190000ha杨树人工林中欧美杨占75拓。法国有2
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