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Ciência Florestal
Centro de Pesquisas Florestais - CEPEF, Departamento de Ciências Florestais - DCFL, Programa de Pós Graduação em Engenharia Florestal - PPGEF
ISSN: 0103-9954
EISSN: 0103-9954
Vol. 16, No. 3, 2006, pp. 293-301
Bioline Code: cf06026
Full paper language: Portuguese
Document type: Research Article
Document available free of charge

Ciência Florestal, Vol. 16, No. 3, 2006, pp. 293-301

 en ARBUSCULAR AND ECTOMYCORRIZAL FUNGI IN EUCALYPT CULTIVATION AND GRASSLAND SANDY SOIL
de Mello, Andrea Hentz; Antoniolli, Zaida Inés; Kaminski, João; Souza, Eduardo Lorensi & Oliveira, Vetúria Lopes

Abstract

The Eucalyptus grandis check for this species in other resources W. Hill ex Maiden forms symbiotic association with arbuscular and ectomycorrhizal fungi. The porpoise of this work was to evaluate the direct and the indirect population and the diversity of these organisms in this kind forest of in some sandy areas located in the São Francisco de Assis - RS. Soil and roots samples were collected from native field and Eucaliptus cultivation to identify arbuscular mycorrhizal fungi. Sporocarps of ectomycorrhizal fungi were also collected from these areas. The studied areas were characterized as native field and eucalyptus forest with three and eight years old. Results show that the indirect identification (trapping culture) with Brachiaria brizantha check for this species in other resources (A. Rich.) Stapf is efficient in the recovery endomycorrhizal inoculum fungi from the soil. The Glomus, Gigaspora, Acaulospora and Scutellospora were the most important genus found. The Acaulospora scrobiculata and Scutellospora heterogama were the predominant species. The ectomycorrhizal fungi found were Pisolithus check for this species in other resources sp. Alb. & Schewein; Scleroderma sp. (Persoon) Fries and Pisolithus microcarpus (Cooke & Massee) Cumm. The relative abundance was predominant with Scleroderma check for this species in other resources sp. The native field showed higher arbuscular mycorrhizal fungi population and diversity in relation to other eucaliptus areas.

Keywords
Acaulospora scrobiculata; Scutellospora heterogam; Scleroderma sp; Pisolithus sp.

 
 pt FUNGOS ARBUSCULARES E ECTOMICORRÍZICOS EM ÁREAS DE EUCALIPTO E DE CAMPO NATIVO EM SOLO ARENOSO
de Mello, Andrea Hentz; Antoniolli, Zaida Inés; Kaminski, João; Souza, Eduardo Lorensi & Oliveira, Vetúria Lopes

Resumo

O Eucalyptus grandis check for this species in other resources W. Hill ex Maiden forma associações simbióticas com fungos micorrízicos arbusculares e ectomicorrízicos. O objetivo do trabalho foi avaliar a população (direta e indireta) e a diversidade desses microorganismos nessa espécie florestal em áreas sujeitas à arenização em São Francisco de Assis, RS. Amostras de solo e raízes de trés área - campo nativo, cultivo de eucalipto 3 anos e cultivo de eucalipto 8 anos - foram coletadas para identificação de fungos micorrízicos arbusculares. Corpos de frutificação de ectomicorrizas foram coletados nas trés áreas. Os resultados mostram que a identificação indireta (cultura armadilha) com Brachiaria brizantha check for this species in other resources (A. Rich.) Stapf foi eficiente na recuperação do inóculo de fungos micorrízicos arbusculares no solo. Os géneros de FMAs presentes nas áreas avaliadas foram Glomus, Gigaspora, Acaulospora e Scutellospora. As espécies de fungos ectomicorrízicos que mais se destacam foram Pisolithus check for this species in other resources sp. Alb. & Schewein; Scleroderma check for this species in other resources sp. (Persoon) Fries e Pisolithus microcarpus (Cooke & Massee) Cumm. O fungo ectomicorrízico que apresentou a maior abundância relativa foi o Scleroderma sp. A área de campo nativo apresentou maior população e diversidade de fungos micorrizicos arbusculares do que as áreas de eucalipto.

Palavras-chave
Acaulospora scrobiculata; Scutellospora heterogama; Scleroderma sp; Pisolithus sp.

 
© Copyright 2006 - Ciência Florestal
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