Photosynthetica 1999, 36(14):537-542 | DOI: 10.1023/A:1007111222572

Influence of Enhanced Concentration of Carbon Dioxide and Moderate Drought on Fluorescence Induction in White Clover (Trifolium repens L.)

M. Pol1, D. Gołębiowska1, J. Miklewska2
1 Department of Physics, University of Agriculture, Szczecin, Poland
2 Department of Mathematics' Applications, University of Agriculture, Szczecin, Poland

In a 5-months' experiment with white clover grown in two CO2 atmospheres (AC = 350 and EC = 700 cm3 m-3) and two humidities (-0.2 and -0.8 MPa), changes in fluorescence induction parameters were investigated. Changes induced by EC did not coincide with those induced by moderate drought. Long-term EC significantly increased stationary fluorescence Fs and decreased the vitality coefficient Rfd. Moderate drought significantly shortened the fluorescence half-time and decreased the area above the induction curve Sc and the Fv/Fm ratio.

Additional key words: 2-factor interactions; vitality coefficient

Prepublished online: December 1, 2000; Published: December 31, 1999  Show citation

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Pol, M., Gołębiowska, D., & Miklewska, J. (1999). Influence of Enhanced Concentration of Carbon Dioxide and Moderate Drought on Fluorescence Induction in White Clover (Trifolium repens L.). Photosynthetica, 37(4), 537-542. doi: 10.1023/A:1007111222572
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