title: Observation of sward destruction caused by irrigation with toxic Microcystis morphospecies containing water in Southern Hungary.
abstract: In the summer of 2006 bloom-like phenomenon occurred in a garden pond in Szeged, Southern Hungary. After regular watering of a sward with pond water containing the algal mass, destruction of garden grass occurred. Microcystis aeruginosa, Microcystis viridis, Microcystis ichthyoblabe, and Microcystis wesenbergii were identified by light microscopy in the water sample; microcystin-FR, -LR, -RR and -YR were determined by matrix-assisted laser desorption/ionization--time-of-flight analysis. There was an 80% decrease in the green mass (87% in chlorophyll-content) of the grass in a 1 m² area of the garden irrigated with pond water.
authors.affiliation: Faculty of Sciences and Technology, Department of Hidrobiology, University of Debrecen, Egyetem Tér 1, 4032 Debrecen, Hungary. istvan.bacsi@gmail.com
authors.forename: István
authors.initials: I
authors.lastname: Bácsi
authors.forename: Gyula
authors.initials: G
authors.lastname: Surányi
authors.forename: Sándor
authors.initials: S
authors.lastname: Gonda
authors.forename: Gyöngyi
authors.initials: G
authors.lastname: Gyémánt
authors.forename: Gábor
authors.initials: G
authors.lastname: Vasas
mesh_terms: D057914:Agricultural Irrigation; D004777:Environment; D006814:Hungary; D008129:Lolium / Q000187:drug effects / Q000382:microbiology*; D052998:Microcystins / Q000032:analysis* / Q000633:toxicity; D046931:Microcystis / Q000302:isolation & purification* / Q000472:pathogenicity; D019370:Observation; D014874:Water Pollutants, Chemical / Q000032:analysis* / Q000633:toxicity
chemical_list: D052998:Microcystins; D014874:Water Pollutants, Chemical