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园艺学报 ›› 2018, Vol. 45 ›› Issue (10): 2069-2070.doi: 10.16420/j.issn.0513-353x.2017-0838

• 新品种 • 上一篇    

观赏栾树新品种‘晋栾3号’

陈 仲1,2,*,高 凯3,王国栋4,安新民3,*   

  1. 1北京林业大学林学院,省部共建森林培育与保护教育部重点实验室,北京 100083;2农业部华北都市农业重点实验室,北京 102206;3北京林业大学生物科学与技术学院,林木育种国家工程实验室,林木花卉遗传育种教育部重点实验室,北京 100083;4襄垣县国栋园林花木种植专业合作社,山西长治 046299
  • 出版日期:2018-10-25 发布日期:2018-10-25
  • 基金资助:

    北京林业大学青年教师科学研究中长期项目(2015ZCQ-SW-01);2018年农业部华北都市农业重点实验室开放课题(kf2018012)

A New Cultivar of Ornamental Colored Leaf Koelreuteria paniculata ‘Jinluan 3’

CHEN Zhong1,2,*,GAO Kai3,WANG Guodong4,and AN Xinmin3,*   

  1. 1Key Laboratory of Silviculture and Conservation of the Ministry of Education,College of Forestry,Beijing Forestry University,Beijing 100083,China;2Key Laboratory of Urban Agriculture(North China),Ministry of Agriculture,Beijing 102206,China;3National Engineering Laboratory for Tree Breeding,Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of the Ministry of Education,Beijing Forestry University,College of Biological Sciences and Biotechnology,Beijing 100083,China;4Xiangyuan County Guodong Ornamental Plants and Trees Planting Professional Cooperative,Changzhi,Shanxi 046299,China
  • Online:2018-10-25 Published:2018-10-25

摘要:

‘晋栾3号’是从‘锦叶栾’种子实生苗中选育出的新品种。幼叶、新梢呈现橙红色,新叶红黄色,叶片成熟变为黄色,夏季成熟叶转变为黄绿色,秋季呈褐黄色直至叶落。小叶较小,基部无偏斜或程度弱;当年生枝条节间长度中等,上部羽状复叶呈斜上伸展状态。主要嫁接繁殖,适宜在有栾树分布的中国北部及中部地区园林绿化中应用。

关键词: 栾树, 彩叶, 品种

Abstract:

Koelreuteria paniculata‘Jinluan 3’is a new ornamental cultivar bred from a mutant seedling of K. paniculata‘Jinye Luan’. The color of young leaves and new shoots is orange red in spring,then becomes red yellow,the color turns yellow when the leaves mature,and the mature leaves become yellow green in summer,finally turn to isabelline until the leaves fall in autumn. The leaves are relatively small,the bases of leaves are not tilted. The internodes at the apical of the branch are medium. The upper pinnately compound leaves present oblique upward extension. Moreover,propagation of this cultivar mainly depends on grafting,and it is suitable for popularization and application in landscaping in the north and central area in China.

Key words: Koelreuteria paniculata, colored leaf, cultivar

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