摘要
通过杂交育种 ,苗期选择 ,无性系测定 ,选出了 6个窄冠黑杨 ,1个窄冠黑白杨无性系。前者生长量接近对照I -69/5 5和中林 46,冠幅比对照小 1/2～ 1/3 ,耐盐碱能力较强 ,容易扦插繁殖 ,造林成活率高。后者生长量与窄冠白杨 3号相当 ,冠幅比窄冠白杨 3号更窄 ,繁殖方式同一般毛白杨。两类品种均为适合于农田林网及农林间作的杨树新品种。
We have selected 6 cultivars of narrow crown black poplar and one narrow crown black-white poplar through cross breeding , choosing young seeding and clones test. Narrow crown black poplars growth increment reach to comparison Ⅰ-69/55 and Zhonglin 46, crown diameter smaller than comparison for 1/2-1/3. Narrow crown black poplars has stronger salt-alkali-resistant, it is easy to propagate by rooting and have a high survive rate. The black-White poplar growth increment is equal to the narrow white poplar 3, and it can propagate just like chinese white poplar. Both kinds of new poplar cultivars are suitable for agri-forest net and intercrop of crop and forest.
出处
《山东林业科技》
2003年第5期1-7,共7页
Journal of Shandong Forestry Science and Technology
关键词
窄冠黑杨
窄冠黑白杨
杨粮间作
杂交育种
narrow crown black poplar
narrow crown black-white poplar
intercrop of poplar-food
