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Chlorophyll fluorescence as an indicator of fluoranthene phototoxicity

Author

Listed:
  • M. Kummerová

    (Institute of Experimental Biology, Masaryk University, Brno, Czech Republic)

  • L. Váňová

    (Institute of Experimental Biology, Masaryk University, Brno, Czech Republic)

Abstract

The effect of the short-time exposure (12, 24 and 48 h) of increasing concentration (0.1, 1 and 10 mg/l) of intact (FLT) and photo-modified (phFLT) fluoranthene on the chlorophyll fluorescence parameters (F0, FV/FM and ΦII) in pea plants (Pisum sativum L. cv. Lantra) was investigated. Plants took up both forms of fluoranthene by two different ways, via roots or via leaves. The obtained results demonstrated a significant increase in F0 and decrease in FV/FM and ΦII in plants treated by 1 and 10 mg/l FLT and phFLT. An earlier response to presence of FLT and phFLT in the environment was demonstrated by application on cut leaves. The primary processes of photosynthesis were not significantly influenced by short-time phFLT treatment.

Suggested Citation

  • M. Kummerová & L. Váňová, 2007. "Chlorophyll fluorescence as an indicator of fluoranthene phototoxicity," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 53(10), pages 430-436.
    • Handle: RePEc:caa:jnlpse:v:53:y:2007:i:10:id:2197-pse
    DOI: 10.17221/2197-PSE
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