Fungicides degradation in an organic biomixture: impact on microbial diversity

Laura Coppola, Costantino Vischetti, Francesca Comitini, Cristiano Casucci, Vesna Milanovic, Elga Monaci, Maria Marinozzi, Manuela Taccari, Maurizio Ciani

Research output: Contribution to journalArticlepeer-review

53 Citations (Scopus)

Abstract

Biological systems are being developed all over EU countries to protect water-bodies from pesticide contamination at farm level. A laboratory experiment was carried out to test the efficiency of a mixture of compost and straw in bio-degrading different mixtures of fungicides usually applied in vineyards. At the same time the effects of fungicide applications on microbial community of biomixture were also evaluated. Results showed that the biomixture had a good capability of degrading pesticides. Indeed, at the end of the experiment (112 days), the concentration of most of the pesticides was close to complete degradation. Denaturing gradient gel electrophoresis (DGGE) analysis showed an evident modification of microbial diversity after the addition of fungicides. However, at the end of degradation process, no significant changes in the composition of microbial community were seen. In this specific substrate used in the biomixture, yeast flora and ascomycete filamentous fungi seemed to be involved in the degradation activity.
Original languageEnglish
Pages (from-to)99-106
Number of pages8
JournalNew Biotechnology
Publication statusPublished - 2011

Keywords

  • microbial diversity
  • pesticides

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