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Germination and initial growth of Campomanesia xanthocarpa O. Berg. (Myrtaceae), in petroleum-contaminated soil and bioremediated soil / Germinação e crescimento inicial de Campomanesia xanthocarpa O. Berg. (Myrtaceae), em solo contaminado com petróleo e solo biorremediado
Gogosz, AM; Bona, C; Santos, GO; Botosso, PC.
  • Gogosz, AM; s.af
  • Bona, C; s.af
  • Santos, GO; s.af
  • Botosso, PC; s.af
Braz. j. biol ; 70(4): 977-986, Nov. 2010. ilus, graf, tab
Article in English | VETINDEX | ID: lil-569160
ABSTRACT
In 2000 there was an oil spill at the Getúlio Vargas Refinery (REPAR) in Paraná. Nearly five years after contamination and the use of bioremediation, a study was carried out to identify the effects of the contaminated soil and the bioremediated soil on the germination and initial growth of C. xanthocarpa. The experiment was established with soil from REPAR, with three treatment groups contaminated soil (C), bioremediated soil (B) and uncontaminated soil (U); with five repetitions of 50 seeds each. There was no significant difference in the percentage of germination and the speed of germination index. The production of total biomass (30 - 60 days) and shoot biomass (60 days) was greater in the bioremediated soil compared to the other treatments. The averages for the root biomass were lower in the contaminated soil than in the bioremediated soil. The shoot length and the total length of the seedling in the contaminated soil and uncontaminated soil were lower than in the bioremediated soil.
RESUMO
Em 2000, ocorreu um vazamento de petróleo na área da Refinaria Getúlio Vargas (REPAR), no Paraná. Após cerca de cinco anos da contaminação e utilização do processo de biorremediação, pretendeu-se identificar os efeitos do solo contaminado e do solo biorremediado na germinação e no crescimento inicial de C. xanthocarpa. O experimento foi montado com solo da REPAR, com três tratamentos - solo contaminado (C), solo biorremediado (B), solo não contaminado (U) - e cinco repetições com 50 sementes cada. Não houve diferença significativa na porcentagem e no índice de velocidade de germinação. A produção de biomassa total (30 - 60 dias) e biomassa da parte aérea (60 dias) foram maiores no tratamento biorremediado em relação aos demais tratamentos. As médias para a biomassa da raiz foram menores no solo contaminado do que no solo biorremediado. O comprimento da parte aérea e o comprimento total da plântula no solo contaminado e no não contaminado foram menores do que no biorremediado.
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Full text: Available Main subject: Soil Pollutants / Petroleum / Germination / Myrtaceae / Environmental Restoration and Remediation Language: English Journal: Braz. j. biol Year: 2010 Type: Article

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Full text: Available Main subject: Soil Pollutants / Petroleum / Germination / Myrtaceae / Environmental Restoration and Remediation Language: English Journal: Braz. j. biol Year: 2010 Type: Article