榆林市柳树丛枝病的发生与防治
Occurrence and Control of Willow Witches'Broom in Yulin
李鲜花 1哈琦琦 1张逸康 1孙玉洁 1徐奕琳1
作者信息
- 1. 榆林学院 生命科学学院, 陕西 榆林 719000
- 折叠
摘要
柳树是榆林市主要的园林绿化树种之一,近年来,柳树丛枝病在榆林市局部地区大面积爆发,它的发生严重影响了榆林市的园林绿化景观效果.有鉴于此,本文对榆林市不同区域、不同树龄的金丝柳和旱柳进行了丛枝病发病情况调查,发现病害发生与各绿化区域建成时间有关,建成时间越早,发病越严重,并且柳树所处的生态环境结构越简单,发病率越低.最后从抗病品种选择、无菌苗圃建立、化学防治和物理防治等方面提出了综合防治方法,为掌握柳树丛枝病的发生规律及防治措施的制定提供理论依据.
Abstract
Willow is one of the main landscaping tree species in Yulin.In recent years,willow witches'broom has erupted on a large scale in some areas of Yulin,seriously affecting the landscaping effect of the city.This article in-vestigates the occurrence of witches'broom disease of weeping willows and Salix matsudana Koidz.of different re-gions and ages in Yulin,and it is found that the occurrence of diseases is related to the construction time of the green area.The earlier construction time is,the more serious of the disease is,and the simpler the ecological envi-ronment structure is,the lower the occurrence rate is.Finally,it proposes the comprehensive control methods(in-cluding resistant cultivar selection,tree management,chemical control and physical control)in order to provide a theoretical basis for occurrence regularity and prevention of witches'broom disease of willows.
关键词
柳树/丛枝病/发生/防治/榆林Key words
willow/willow witches'broom/occurrence/control/Yulin引用本文复制引用
基金项目
陕西省教育厅重点科研项目(21JSO45)
榆林市科技计划(CXY202190)
出版年
2024