|Table of Contents|

Physiological Response of Chirita eburnea Hance Under Different Light Environment(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年22
Page:
69-73
Research Field:
Publishing date:

Info

Title:
Physiological Response of Chirita eburnea Hance Under Different Light Environment
Author(s):
SUN Guosheng1; DENG Min2; FANG Jun1; LI Qiansheng1
（1.School of Ecology，Shanghai Institute of Technology，Shanghai 201418；2.Shanghai Chenshan Plant Science Research Center，Chinese Academy of Sciences,Shanghai Chenshan Botanical Garden，Shanghai 201602）
Keywords:
Chirita eburnea Hance; low light; rapid light curve; leaf anatomical structures
PACS:
-
DOI:
10.11937/bfyy.201522019
Abstract:
Taking six months old seedlings of Chirita eburnea from tissue culture liners as experimental material，seedlings were grown under three different light environments，that was high light and low light in greenhouse，and indoor for 4 months.The chlorophyll content，specific leaf weight，leaf water content and rapid light response were measured monthly.The results showed that chlorophyll content of plants under greenhouse high light condition was increased significantly compared with greenhouse low light plants；while the chlorophyll content of indoor plants significantly decreased especially 2 months later.The leaf water contents of plants under greenhouse low light and indoor condition were increased gradually；on the contrary，the specific leaf weight decreased.The leaf blade became thinner as the thickness of palisade parenchyma decreased but the spongy cells were more compact.The stomata density in the lower epidermis decreased with the decreasing of light intensity.The parameters of rapid light curves，α，ETRmax，and Ik，were decreased in the greenhouse low light and indoor seedlings during the treatment.These results indicated that C.eburnea Hance could adapt to low light environment through the change of leaf pigments，structure and photosynthetic performance.

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Last Update: 2016-01-05