摘要
低温冻害是树木引种的大敌。南平城区及近郊主要街道和单位引种树种在 1 999年 1 2月 2 1～ 2 3日的低温冻害天气中 ,有 5 3种树种遭受各种程度冻害 ,其中严重冻害 4级以上有 40种 ,地面部分全部冻死的有 2 4种。在今后引种工作中 ,应引起足够重视 。
The low-temperature freezing injury is the formidable enemy for tree species introduction.The survey results indicated that in the low-temperature freezing injury weather on December 21～23,1999,53 tree species suffered from the freezing injury with various degrees,among which 40 tree species suffered from the serious freezing injury with over the 4th level and 24 tree species' above-ground portion was killed owing to the freezing.The above freezing injury status should be paid enough attention to so as to reduce the loss in the introduction work afterwards.
出处
《福建林业科技》
北大核心
2000年第3期77-80,共4页
Journal of Fujian Forestry Science and Technology
关键词
南平市区
引种
低温冻害
冻害级别
园林绿化树种
Nanping proper
Introduced tree species
Low-temperature freezing injury
Survey
