香樟耐寒性试验研究
Journal of Anhui Agricultural Sciences(2007)
Abstract
[目的]为香樟在豫中北部城市的引种提供依据.[方法]分别驻马店市区和郊外栽植香樟,比较香樟的生长情况,观察香樟的耐寒性.[结果]香樟在市区与在郊外相比不易遭受冻害.香樟嫩枝易受低温冻害,根部则不受冻害.树龄相近的香樟,耐寒耐冻的能力个体差异很小;树龄差别大的香樟,耐寒耐冻的能力差别较大;树龄越大越不易遭受冻害.在最低气温低于-10 ℃时,野外幼树的枝干很容易遭受冻害,但截去冻死的枝干后可继续发芽,长成大树.在略低于-10 ℃时,野外大香樟树可能不遭受冻害或仅嫩枝嫩叶遭受轻度冻害.[结论]在驻马店以北的城市市区内可引种香樟,但野外和市区内的小香樟冬季需要采取防寒措施,以免发生冻害.
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Key words
Freezing damage,Cold tolerance,Cinnamomum camphora L
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