FUYANG TEACHERS COLLEGE本科毕业论文（设计）题目：2018年合肥地区园林植物冻害调查及防护措施探讨学生：学号：学入学时间：年月日指导教师：职称：完成日期：年月日2018年合肥地区园林植物冻害调查及防护措施探讨摘要：2018年1月2325日，合肥市连续3d最低温一89℃许多园林植物遭受不同程度冻害。本文对其受冻害情况及其冻后养护恢复情况进行调查分析。结果表明，共有19科34属41种园林植物遭受不同程度的冻害，其中约83%为引种植物：66%的植物冻害等级为轻度或中度，不需人为干预或适度修剪就能恢复正常生长：27%的植物冻害等级为重度，长势明显趋弱：7%的植物出现受冻死亡的现象。建议在森林城市建设中，植物的引种遵循科学规律，重视别化，尽量选用乡土植物与外来植物相搭配的配置方式，加强日常管护，降低低温逆境胁迫对园林植物的影响。关键词：园林植物：冻害：调查：防护Study on the investigation and protection measures ofgarden plants in hefei area in 2018Abstract:From January 23 to 25,2018,the lowest temperature of 3d in hefei is 8~9.Manygarden plants suffer from different degrees of frost damage.In this paper,the investigation andanalysis of the freezing damage and the recovery of the post-frozen maintenance were carried out.The results showed that there were a total of 41 species of garden plants in 19 families withdifferent degrees of frost damage,about 83%of which were introduced plants.66 percent of plantdamage was mild or moderate,and normal growth was restored without human intervention ormoderate pruning.27%of plant freeze damage grade was severe,and the growth was significantlyweaker.Seven percent of plants die from freezing.Suggestions in the construction of urban forest,plant introduction,follow the scientific laws,attaches great importance to the domestication,trychoosing local plants and alien plants are tie-in way of configuration,strengthen dailymanagement,reduce the effects of low temperature adversity stress on garden plants.Key words:Garden plants:Cold injury.Survey:protective目录1极寒天气概况132.1调查地点与调查对象32.2调查时间32.3调查方法3调查的意义及目的43.1意义…43.2目的4调查研究的现状54.1国外研究现状54.2国内研究现状55调查结果与分析75.1调查结果75.2i95.2.2植物自身特性及生存环境决定了其冻害程度95.2.3115.2.4受冻害程度措施可降低植物的冻害等级116防护措施.12126.2强化日常养护管理.……126.4克服盲目跟风和比新、比奇比特心理，不废弃常规种类的应用...141617