辽宁省杨树越冬伤害发生规律调查研究  

Research on occurrence regularity of poplar winter injury in Liaoning Province

作　　者：杨成超 孙良岩 李荣全[3] 

机构地区：[1]辽宁省杨树研究所,辽宁盖州115200 [2]辽宁省高速公路管理局,辽宁沈阳110003 [3]沈阳兰溪绿化技术开发有限责任公司,辽宁沈阳110161

出　　处：《辽宁林业科技》2016年第2期10-11,53,共3页Liaoning Forestry Science and Technology

基　　金：辽宁省农业攻关及产业化项目(2015103002)

摘　　要：2006年以来,中国北方省区杨树多次因气候异常而发生严重越冬伤害,造成重大损失。为了掌握杨树越冬伤害发生规律,作者对辽宁省杨树越冬伤害情况进行调查研究,对其越冬伤害发生规律做出了初步总结,划分了越冬伤害类型,初步分析了越冬伤害发生原因。调查结果表明,杨树越冬伤害与品种、大气温度、光照、风、林龄、林分密度及病虫害有关,但并不是冷冬就一定发生越冬伤害。初步认为,冻融是形成树干破腹型伤害的原因。Since 2006, in the provinces of north China, winter injuries with serious damages caused by the abnormal climate hap- pened many times, and heavy losses were caused.In order to tmderstand the occurrence regularity of poplar winter injury, we investi- gated the occurrence situation of poplar winter injury, and made a primary conclusion on the regularity, classified the types and ana- lyzed the reasons of winter injury.The investigation indicated that the winter injury of poplar related to variety, atmospheric tempera- ture, light, wind, stand age, stand density and plant diseases and insect pests, but winter injury was not certainly occurred in cold winter.We primarily think that freezing and thawing caused the ruptured-venter injury of poplar.

关 键 词：杨树 越冬伤害 发生规律 原因 冻融 

分 类 号：S792.110.7[农业科学—林木遗传育种]