Response of lemna minor clones to microcystis toxicity

N. Kováts, A. Ács, G. Paulovits, G. Vasas

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Tests based on the growth inhibition of Lemna minor are widely used in ecotoxicology. The assessment endpoint is the development of new fronds, which is not only a rapid response but is also of ecological significance. At present this is the only standard ecotoxicological test in Europe which uses a higher aquatic plant species, so toxic effect of different contaminants should be extrapolated to other macrophytes. As it might be suspected that cyanobacteria and macrophytes are in a competitive interaction, more and more studies are targeted to reveal the mechanisms via cyanobacterial toxins explicate inhibitory effect. In order to find out what actual risk cyanobacterial toxicity might pose on coexisting Lemna populations, Lemna growth inhibition tests were carried out using duckweed clones collected from different natural habitats. Striking differences were found, identifying clones showing normal reproduction in the presence of Microcystis aeruginosa but on the contrary, other clones showed not only reproduction inhibition but visual symptoms such as chlorosis and necrosis.

Original languageEnglish
Pages (from-to)17-26
Number of pages10
JournalApplied Ecology and Environmental Research
Volume9
Issue number1
Publication statusPublished - 2011

Fingerprint

Lemna minor
Microcystis
clone
Lemna
clones
toxicity
macrophytes
growth retardation
cyanobacterial toxins
ecotoxicology
Microcystis aeruginosa
testing
fronds
aquatic plant
aquatic plants
chlorosis
endpoints
toxin
signs and symptoms (plants)
Cyanobacteria

Keywords

  • Ecological risk assessment
  • Lemna minor
  • Microcystin
  • Toxalert

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Agronomy and Crop Science

Cite this

Response of lemna minor clones to microcystis toxicity. / Kováts, N.; Ács, A.; Paulovits, G.; Vasas, G.

In: Applied Ecology and Environmental Research, Vol. 9, No. 1, 2011, p. 17-26.

Research output: Contribution to journalArticle

Kováts, N. ; Ács, A. ; Paulovits, G. ; Vasas, G. / Response of lemna minor clones to microcystis toxicity. In: Applied Ecology and Environmental Research. 2011 ; Vol. 9, No. 1. pp. 17-26.
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