Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (02): 369-375 .

• HORTICULTURE • Previous Articles     Next Articles

Effect of Light Quality on Photosynthesis and Chlorophyll Fluorescence in Strawberry Leaves

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  1. 浙江大学果实分子生理与生物技术实验室
  • Received:2004-01-05 Revised:2004-03-04 Online:2005-02-10 Published:2005-02-10

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Abstract: Chlorophyll contents, maximal photochemical efficiency of PSII (Fv/Fm) , Fm/Fo, amount of inactive PSⅡreaction centers (Fi-Fo) and rate of QA reduction were correlated with red/blue ratios positively, but chlorophyll (a/b) ratios were correlated with red/blue ratios negatively. Carotenoid contents were in the order: blue film >green film> red film, white film and yellow film, which were correlated with red/far-red ratios negatively. The apparent quantum efficiency (AQY), photorespiratory rate（Pr）and carboxylation efficiency (CE) also were strongly affected by light quality. The net photosynthetic rate（Pn）of strawberry leaves under green film was significantly lower than that of under all other film treatments.

Key words: StrawberryLight quality, Chlorophyll fluorescence, Photosynthesis, Red/Far-red, Red/Blue

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