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Leaf Growth of Castanopsis fargesii in Evergreen Broad-Leaved Forest in Tiantong National Forest Park of Zhejiang,China
Author(s): 
Pages: 215-219
Year: Issue:  3
Journal: Rural Eco-Environment

Keyword:  栲树 展叶速率 比叶重;
Abstract: 于2008年3—6月,定期记录了浙江天童亚热带常绿阔叶林栲树(Castanopsis fargesii)的展叶情况,包括标记枝的叶长、叶宽、叶面积、叶干重、叶鲜重和叶绿素含量等指标。结果表明,所调查的栲树叶面积增加持续时间为34 d,展叶速率最高达40.5%.d-1;成熟叶面积越大,其展叶速率越快;比叶重随叶面积增加呈波动变化,含水量在叶片发育过程中呈先增加后降低的变化趋势,叶绿素含量则随叶面积的增加而逐渐增高。对栲树展叶速率、叶面积和叶属性之间的相关分析结果显示,展叶速率分别与叶面积、叶绿素含量在α=0.01水平上呈显著正相关,叶面积分别与含水量、叶绿素含量在α=0.01水平上呈显著正相关;叶绿素含量与含水量在α=0.01水平上呈显著正相关。
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