[1]尤扬,杨立峰,周建,等.白兰花秋季光合特性研究[J].西北林学院学报,2009,24(06):24-27.
　YOU Yang,YANG Li-feng,ZHOU Jian,et al.The Photosynthetic Characteristics of Michelia alba in Autumn[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2009,24(06):24-27.
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白兰花秋季光合特性研究 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第24卷
期数:
2009年06期
页码:
24-27
栏目:
森林生物学
出版日期:
2009-11-30

文章信息/Info

Title:
The Photosynthetic Characteristics of Michelia alba in Autumn
作者:
尤扬; 杨立峰; 周建; 任小瑞
河南科技学院,园林学院,河南,新乡453003
Author(s):
YOU Yang; YANG Li-feng; ZHOU Jian; REN Xiao-rui
关键词:
白兰花;  光合速率;  光饱和点;  光补偿点
分类号:
S685.990.1
文献标志码:
A
摘要:
采用Li-6400型便携式光合作用测定系统测定了白兰花的光合特性.结果表明:白兰花净光合速率日变化呈双峰曲线,存在光合"午休"现象.最高峰出现在14:00左右,次高峰出现在9:00,日最大净光合速率为5.22 μmol·m-2·s-1.净光合速率与蒸腾速率、气孔导度呈正相关,与胞间CO2浓度呈负相关.白兰花的光补偿点为10.38 μmol·m-2·s-1,光饱和点为1 100 μmol·m-2·s-1,具有一定的耐荫能力,是不耐强光的植物.

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备注/Memo

备注/Memo:
河南科技学院重点科研基金资助项目(050122)
更新日期/Last Update: 2010-05-04