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Study on Light Response Characteristics of Chlorophyll Fluorescence Comparison in Seedlings of Different Provenances of Styrax tonkinensis(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年01期
Page:
46-49
Research Field:
Publishing date:

Info

Title:
Study on Light Response Characteristics of Chlorophyll Fluorescence Comparison in Seedlings of Different Provenances of Styrax tonkinensis
Author(s):
ZHAO Xun; LI Yin-gang; LIU Xin-hong
Zhejiang Forestry Academy，Hangzhou，Zhejiang 310023
Keywords:
chlorophyll fluorescence; light response curves; Styrax tonkinesis; provenance; domestication
PACS:
S 792
DOI:
-
Abstract:
Taking six different provenaces of Styvax tonkinensis as materials,the light curve of chlorophyll fluorescence of Styrax tonkinensis were measured with LI-6400 portable photosynthesis system and comparatively analyzed,for comparing the light response characteristics of chlorophyll fluorescence in seedlings of different provenances Styrax tonkinensis.The results showed that as the illumination intensity increased，photosynthetic responses curves of actual photochemical efficiency(PhiPS1I),Photochemical quench(qP)，and Photochemical efficiency in the light(Fv′/Fm′) dropped，while curves of Non-photochemical quench(NPQ),Photochemical rate(PCR),Electronic transfer rate(ETR) ascended.There were non-obviously differences in PhiPS2，Fv′/Fm′，qP，ETR and PCR,of these provenances except for ‘Yong’an of ‘Fujian’.

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Last Update: 2014-08-22