大叶女贞耐寒性研究——基于2009年河北省邢台市大叶女贞冻害调查分析

Investigation on the Cold Tolerance of Ligustrum lucidum——Based on Investigation of Xingtai City,Hebei Province in 2009

[目的]研究2009年初冬暴雪对邢台市区栽植的大叶女贞的冻害情况。[方法]采用重点区域普查法对邢台市主城区的主要干道、公园、游园内种植的大叶女贞冻害情况逐一调查并分析。[结果]种植年限、栽植环境和温度骤降是造成冻害的主要原因。[结论]选用耐寒品种和大规格苗,选择适宜栽植环境,提高养护管理水平等可以提高大叶女贞的耐寒性。

[ Objective ] To study the freezing injury of Ligustrum lucidum caused by the early winter snowstorm in 2009 in Xingtai City. [ Method] The freezing injury of Ligustrum lucidum was surveyed in the main streets, parks and gardens of Xingtai. [ Result] The freezing in- jury was mainly caused by the growth years, environment and sudden temperature reduction. [ Conclusion] The cold tolerance of Ligustrum lu- cidum can be improvecl through selecting the cold-tolerant cultivars and appropriate planting environment, and improving the maintenance of plants.