楸树新品种‘艺楸1号’  

A New Catalpa bungei Cultivar ‘Yiqiu 1'

作　　者：李永华[1] 李永[1] 王雷 苏志国[1] 杨秋生[1] 苏金乐[1] 

机构地区：[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　　处：《园艺学报》2015年第6期1221-1222,共2页Acta Horticulturae Sinica

基　　金：河南省重大科技专项(091100110200)

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。‘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.

关 键 词：楸树 无性系 新品种 

分 类 号：S792.99[农业科学—林木遗传育种]