摘要
‘立叶’侧柏是从北京市西山实验林场侧柏人工林中通过无性系培育而成的观赏型新品种。树冠浓密,圆锥形。生长迅速,7年生扦插苗平均株高4.2 m;分枝密度中等。主枝与小枝直展,分枝角度分别为43.51°、39.87°,生鳞叶的小枝扁平度高,在树冠表面整齐排列呈平面状。叶色呈现季相变化,春夏季叶色深绿,冬季中黄绿色。抗寒抗旱耐瘠薄,适于山区生态修复与城市园林绿化。
‘Liye’is a new ornamental cultivar selected by clonal breeding from plantation forest of Platycladus orientalis in Beijing Xishan Forest Farm.The tree form of the cultivar is conical and the canopy is dense.It grows rapidly,and the height of seven-year-old cutting seedlings is 4.2 m.The branch distributed evenly and direct spread with 43.51°in branch and 39.87°in branchlet.The branchlet flatness is strong and neatly arranged.The color of scaly leaf showed seasonal changes with dark green in spring and summer and moderate yellowish green in winter.The cultivar is suitable for ecological restoration in mountainous areas and landscaping in urban with cold and drought resistance and strong stress resistance.
作者
刘国彬
曹均
廖婷
王烨
郭丽琴
李娜
LIU Guobin;CAO Jun;LIAO Ting;WANG Ye;GUO Liqin;LI Na(Institute of Forestry and Pomology,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100093,China)
出处
《园艺学报》
CAS
CSCD
北大核心
2023年第S02期169-170,共2页
Acta Horticulturae Sinica
基金
北京市农林科学院青年科研基金项目(QNJJ202112)
北京市农林科学院科技创新能力建设专项(KJCX20230209)
北京市农林科学院林业果树研究所青年科研基金项目(LGSJJ202304)
关键词
侧柏
观赏
无性系育种
品种
Platycladus orientalis
ornamental
clonal breeding
cultivar
