Assessment of a soil with moderate level of contamination using lettuce seed assay and terrestrial isopods assimilation assay

Flavio Manoel Rodrigues DA SILVA Júnior, Edariane Menestrino Garcia, Paulo Roberto Martins Baisch, Nicolai Mirlean and Ana Luíza Muccillo-Baisch
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Flavio Manoel Rodrigues DA SILVA Júnior: Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas and
Edariane Menestrino Garcia: Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas and
Paulo Roberto Martins Baisch: Laboratório de Oceanografia Geológica, Instituto de Oceanografia, Universidade Federal do Rio Grande do Sul - FURG, Rio Grande, Brasil
Nicolai Mirlean: Laboratório de Oceanografia Geológica, Instituto de Oceanografia, Universidade Federal do Rio Grande do Sul - FURG, Rio Grande, Brasil
Ana Luíza Muccillo-Baisch: Laboratório de Ensaios Farmacológicos e Toxicológicos, Instituto de Ciências Biológicas and

Soil and Water Research, 2013, vol. 8, issue 2, 56-62

Abstract: Lettuce (Lactuca sativa) seeds play a significant role in toxicity tests of isolated chemicals, pesticides, and environmental samples. Commonly, the main variables under study are the rate of seed germination and root elongation at the end of five days of exposure. Another organisms used in environmental assessment of soil quality are terrestrial isopods. The parameter evaluated in this assay is usually mortality rate. In this study, we suggest to use the daily number of germinated seeds and wet weight of plants, and feeding measurements (consumption rate, assimilation rate, assimilation efficiency and growth rate) in woodlice (Armadillidium vulgare and Porcellio dilatatus) to detect toxicity of moderately contaminated soil samples. The lettuce seed assay proved to be more efficient in the tested conditions, however, we do not reject the use of feeding parameters in terrestrial isopods in toxicological screening of contaminated soils.

Keywords: Lactuca sativa; short-term bioassays; soil contamination; woodlice (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlswr:v:8:y:2013:i:2:id:28-2012-swr

DOI: 10.17221/28/2012-SWR

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