Long-term effects of heavy metals and microelements on nematode assemblage

G. Bakonyi, Péter Nagy, I. Kádár

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Effects of Cd, Cr, Se and Zn at a maximum rate of 270 mg kg-1 were studied on a nematode assemblage after 6-10 years of application. Winter wheat, sunflower, sorrel, barley and rape were grown on the experimental field. Cd had a moderate effect on nematodes in spite of the fact that this element significantly decreased plant biomass. Cr was harmful to plants only in the first year of the study. However, Cr decreased Aporcelaimellus density and maturity index, increased Pratylenchus density and bacterial-fungal ratio, changed the c-p structure and feeding type composition. Se proved to be very toxic at a concentration of 11 mg kg-1 (NH4-acetate+EDTA soluble form). Some advantageous effects of Zn were found in the first year. These disappeared later on. Remarkable between-year fluctuations of the nematode assemblage composition were observed.

Original languageEnglish
Pages (from-to)391-401
Number of pages11
JournalToxicology Letters
Volume140-141
DOIs
Publication statusPublished - Apr 11 2003

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Heavy Metals
Helianthus
Poisons
Hordeum
Chemical analysis
Edetic Acid
Biomass
Triticum
Acetates

Keywords

  • Heavy metals
  • Microelements
  • Nematode assemblage
  • Soil pollution

ASJC Scopus subject areas

  • Toxicology

Cite this

Long-term effects of heavy metals and microelements on nematode assemblage. / Bakonyi, G.; Nagy, Péter; Kádár, I.

In: Toxicology Letters, Vol. 140-141, 11.04.2003, p. 391-401.

Research output: Contribution to journalArticle

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