3种石斛光合作用和叶绿素荧光特性比较研究_沈宗根.pdf
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, 2010, 30(10):2067-2073
A cta Bot .Boreal.-Occident.Sin.
①
:1000-4025(2010)10-2067-07
3
1 2 2 1, 2 2 ＊
沈宗根, 陈翠琴 , 王岚岚, 姜 波 , 吕洪飞
(1 , 215500;2 , 321004)
:、, 、
-2 -1
。 :3 300 μmol ·m ·s ,
, ;, CO
2
, CO 500 μmol ·m-2 ·s-1 ;(E TR )、
2
(Yield)(q ),
P
(q ), ;a、b 。
N
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。
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:Q945.11 :A
Photosynthesis and Chlorophyll Fluorescence Characteristics
of Three D endrobium Species
1 2 2 1, 2 2 ＊
SHEN Zong-gen , CHEN C i-qin , WANG Lan-lan , JIANG Bo , L Hong-fei
(1 College of Biology and Food Engineering, Changsh Instit te of Technology, Changsh , Jiangs 215500, China;2 College of
Chemistry and Life Sciences, Zhejiang Normal University, Jinh a, Zhejiang 321004, China)
Abstract:The photosynthetic parameters, chlorophyll contents and chlorophyll fl orescence characteristics
of three Dendrobium species w ere comparatively st died.The res lts show ed that light sat ration points
-2 -1
(LSP)of three Dendrobium species w ere lower than 300 μmol ·m ·s and Dendrobium loddigesii
Rolfe has the highest net photosynthetic rates (P n )and low est LSP .P n of D .loddigesii increased ra
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