【摘要】 对引进11个毛白杨新无性系,在造林试验获取各无性系生长、形质指标,以及抗病性状等数据基础上,进行了多性状选择。结果BT17、51L-7、193、175、196、BT18、BT85等7个新无性系生长快、不蹲苗、破腹病率低,适应性强,材积生长比对照增益180.35%,是大连地区造林优良新品种,其中193、BT17、BT18为雄性不飞絮无性系,又是城镇绿化的好品种。更多还原

【Abstract】 Multi-property selection regarding 11 introduced clones of Populus tomentosa was conducted on the basis of such data as growth, indicators of shape and quality and disease-resistant properties obtained in afforestation experiments. The results indicated that 7 clones such as BT17, 51L-7, 193, 175, 196, BT18 and BT85 grew fast with low bark-split rate and strong adaptabilities and did not need to restrain the overgrowth of seedlings, and growth of volume increased by 180.35% comparing with control, were superior new afforestation tree species in Dalian areas. Among them, clones 193, T17 and BT18 were male ones with no flying catkins, and were fine tree species in city and township afforestation.更多还原