郑州市城区国槐生长与健康状况调查  

Investigation on the Growth and Health Status of Sophora japonica in Zhengzhou City

作　　者：周小娟[1] 孙毅宁[1] 刘杰[1] ZHOU Xiao-juan;SUN Yi-ning;LIU Jie(Zhengzhou Institute of Agricultural and Forestry Science of Henan Province,Zhengzhou,Henan 450005)

机构地区：[1]河南省郑州市农林科学研究所,河南郑州450005

出　　处：《安徽农业科学》2021年第12期129-132,136,共5页Journal of Anhui Agricultural Sciences

摘　　要：为研究郑州市国槐的生长及健康状况,对郑州市8个区进行了抽样调查,对国槐的株高、胸径、冠幅、健康状况等进行了调查。结果表明,郑州市国槐以大、中植株为主,平均树高9.7 m,平均胸径24.6 cm,平均冠幅9.1 m;株高主要集中在7.5~13.5 m,胸径集中在13.5~35.5 cm,冠幅集中在4.0~11.0 m,调查区域内国槐的健康等级大多为Ⅲ级;株高、胸径、冠幅较大的国槐植株健康状况明显优于较小植株。通过调查分析发现,国槐在郑州市生长管理等方面存在一些问题,针对这些问题提出了建议,以期为郑州市行道树选择及栽培养护提供参考。In order to study the growth and health status of Sophora japonica in Zhengzhou City,a sampling survey was conducted in eight districts of Zhengzhou City.The plant height,DBH,crown width and health status of Sophora japonica were investigated.The results showed that the Sophora japonica in Zhengzhou were mainly large and medium,with an average height of 9.7 m,an average DBH of 24.6 cm and an average crown width of 9.1 m.Plant height was mainly between 7.5 and 13.5 m,DBH was between 13.5 and 35.5 cm,and crown width was between 4.0 and 11.0 m.Most health grades of Sophora japonica in the survey area were in Grade III.Sophora japonica with large values of height,DBH and crown width was better than that with small.Through investigation and analysis,it was found that there were some problems in the growth and management of Sophora japonica.Some reasonable suggestions were put forward in order to provide reference for the selection,cultivation and maintenance of street trees in Zhengzhou.

关 键 词：郑州市 国槐 生长状况 健康状况 

分 类 号：S687.1[农业科学—观赏园艺]