Photosynthetica 2008, 46(4):631-633 | DOI: 10.1007/s11099-008-0108-7

Chlorophyll fluorescence as a tool for evaluation of drought stress in strawberry

F. Razavi1,3, B. Pollet2, K. Steppe2, M. C. van Labeke1,*
1 Department of Plant Production, Ghent University, Gent, Belgium
2 Department of Applied Ecology and Environmental Biology, Laboratory of Plant Ecology, Ghent University, Gent, Belgium
3 Iranian Ministry of Science, Research and Technology & Iranian Ministry of Agriculture, Teheran, Iran

The effect of water deficit on chlorophyll fluorescence, sugar content, and growth parameters of strawberry (Fragaria×ananassa Duch. cv. Elsanta) was studied. Drought stress caused significant reductions in leaf water potential, fresh and dry masses, leaf area, and leaf number. A gradual reduction of photochemical quenching (qP) and quantum efficiency (ΦPS2) was observed under drought stress while non-photochemical quenching (qN) increased. Maximum efficiency of photosystem 2 (Fv/Fm) was not affected by drought stress.

Additional key words: Fragaria×ananassa; maximum efficiency of photosystem 2; photochemical and non-photochemical quenching; photosynthesis; water deficit

Received: March 7, 2008; Accepted: July 8, 2008; Published: December 1, 2008  Show citation

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Razavi, F., Pollet, B., Steppe, K., & van Labeke, M.C. (2008). Chlorophyll fluorescence as a tool for evaluation of drought stress in strawberry. Photosynthetica, 46(4), 631-633. doi: 10.1007/s11099-008-0108-7
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