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园艺学报 ›› 2018, Vol. 45 ›› Issue (9): 1865-1866.doi: 10.16420/j.issn.0513-353x.2017-0839

• 新品种 • 上一篇    

彩叶栾树新品种‘晋栾2号’

陈 仲1,2,*,王国栋3,安新民4,*   

  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襄垣县国栋园林花木种植专业合作社,山西长治 046299;4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)
  • 出版日期:2018-09-25 发布日期:2018-09-25

A New Variety of Colored Leaf Koelreuteria paniculata‘Jinluan 2’

CHEN Zhong1,2,*,WANG Guodong3,and AN Xinmin4,*   

  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;3Xiangyuan County Guodong Ornamental Plants and Trees Planting Professional Cooperative,Changzhi,Shanxi 046299,China;4National Engineering Laboratory for Tree Breeding,Key Laboratory of Genetics and Breeding in Forest Trees and Ornamental Plants of the Ministry of Education,College of Biological Sciences and Biotechnology,Beijing Forestry University,Beijing 100083,China)
  • Online:2018-09-25 Published:2018-09-25

摘要:

栾树新品种‘晋栾2号’是从‘锦叶栾’种子实生苗中选育而来。早春幼叶、叶柄、嫩枝为橙红色,随后叶色逐渐变为黄色,夏季成熟叶片呈现黄绿色,秋季霜冻后转褐黄色。小叶片小,基部偏斜程度强。枝条顶端节间短,叶柄呈水平伸展状,形成盘状冠顶。主要依靠嫁接繁殖;适宜在有栾树分布的中国北部及中部地区种植。

关键词: 栾树, 彩叶, 品种

Abstract:

Koelreuteria paniculata‘Jinluan 2’is a new ornamental variety bred from a mutant seedling of K. paniculata‘Jinye Luan’’. The main characteristics of this variety are that the color of young leaves,petioles and tender branches is orange red in early spring,then the color of leaves becomes yellow gradually,the leaves mature in summer and the color turns yellow green,finally,it becomes isabelline after frost until the leaves fall in autumn. The leaves are small,internodes at the apical of the branch are short,petioles present horizontal extension. Moreover, propagation of this variety mainly depends on grafting, and it is suitable for growing in the area of north and central part in China.

中图分类号: