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园艺学报 ›› 2015, Vol. 42 ›› Issue (6): 1221-1222.doi: 10.16420/j.issn.0513-353x.2014-0616

• 新品种 • 上一篇    

楸树新品种‘艺楸1号’

李永华,李永,王雷,苏志国,杨秋生,苏金乐   

  1. 1河南农业大学林学院,郑州 450002;2河南省艺都园林绿化工程有限公司,郑州 450002
  • 出版日期:2015-06-25 发布日期:2015-06-25
  • 基金资助:
    河南省重大科技专项(091100110200)

A New Catalpa bungei Cultivar‘Yiqiu 1’

LI Yong-Hua, LI Yong, WANG Lei, SU Zhi-Guo, YANG Qiu-Sheng, SU Jin-Le   

  1. 1College of Forestry,Henan Agricultural University,Zhengzhou 450002,China;2Yidu Landscaping Engineering Co.,Ltd. of Henan Province,Zhengzhou 450002,China
  • Online:2015-06-25 Published:2015-06-25

摘要: ‘艺楸1号’是从楸树种质资源圃中发现的无性系,经过多年嫁接繁殖试验培育而成。树干通直,自然整枝明显;树皮光滑,灰白色,叶痕不明显;发叶早,落叶晚,叶片稠密;春季萌芽比‘金丝楸’早5 ~ 6 d,落叶比‘金丝楸’晚20 ~ 25 d。生长快,一年生嫁接苗平均株高3.6 m,平均米径3.4 cm。适宜种植范围广。

关键词: 楸树, 无性系, 新品种

Abstract: ‘Yiqiu 1’is derived from an clone with smooth bark founded in Catalpa bungei germplasm resource garden,after grafting propagation cultivation for many years. Stem of‘Yiqiu 1’is straight,self-pruning intensity is higher. Bark is smooth and gray with no obvious cicatricles. There are dense leaves which germinates earlier and falls off later. Bud flushing in spring is 5–6 days earlier than that of‘Jinsiqiu’,but 20–25 days later in defoliation. Growth speed of‘Yiqiu 1’is fast,average plant height and meter diameter for 1-year grafting plant is 3.6 m and 3.4 cm,respectively. This cultivar is suitable for growth and cultivation in a wide range of regions.

Key words: Catalpa bungei, clone, cultivar

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