近日,北京市园林绿化局针对近几年,尤其是今年以来,部分道路两侧、景区公园内栽植的雪松出现枯萎甚至死亡现象召开了专题研讨会,来自北京林业大学、北京农科院、北京园林科学研究所、北京植物园等单位从事植物保护、植物病理、植物培育等专业的专家出席会议。经过深入专题研讨,专家们认为气候异常和人为不合理管护是 Recently, Beijing Municipal Bureau of Landscaping held a symposium on the phenomenon of withering and even death of cedar planted in the scenic parks on both sides of some roads since this year in particular. From Beijing Forestry University, Beijing Academy of Agricultural Sciences, Beijing Garden Science Institute, Beijing Botanical Garden and other units engaged in plant protection, plant pathology, plant breeding and other professionals attended the meeting. After in-depth seminars, experts believe that climate anomalies and human unreasonable management is