Diversity of mycorrhizal fungi and soil indicative species in coastal plantations of northeast Brazil

The aim of this work was to evaluate arbuscular mycorrhizal (AM) fungi as soil indicators and the mycorrhization of native and exotic tree species planted in the Acaraú basin, a transition area from the coast to the Brazilian semiarid region. Plots with 6-year-old trees of four native and three non-...

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Bibliographic Details
Published in:Journal of forestry research 2021-06, Vol.32 (3), p.1203-1211
Main Authors: Weber, Olmar Baller, da Silva, Maria Cátia Barroso, da Silva, Cristiane Figueira, Correia, Diva, dos Santos Garruti, Deborah, Pagano, Marcela Claudia
Format: Article
Language:English
Subjects:
Acaulospora
Arbuscular mycorrhizas
Biomedical and Life Sciences
Colonization
Ectomycorrhizas
Eucalyptus
Forest management
Forest soils
Forestry
Fungi
Indicators
Indigenous species
Introduced plants
Introduced species
Life Sciences
Native species
Original Paper
Plant species
Plantations
Reforestation
Semi arid areas
Semiarid lands
Soil microorganisms
Soils
Trees
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Summary:The aim of this work was to evaluate arbuscular mycorrhizal (AM) fungi as soil indicators and the mycorrhization of native and exotic tree species planted in the Acaraú basin, a transition area from the coast to the Brazilian semiarid region. Plots with 6-year-old trees of four native and three non-native species as well as one non-forested area were evaluated in terms of the diversity of AM fungi in the mycorrhizosphere and the root colonization by AM and ectomycorrhizal (EcM) fungi. Twenty-four AM fungi were identified; Claroideoglomus etunicatum, Glomus sinuosum, Paraglomus albidum, Acaulospora laevis, and Acaulospora brasiliensis were abundant in the forest soil. Diversity, dominance, evenness and richness indices of AM fungi were higher in plots with native trees. All root samples were colonized by AM fungi and only Anadenanthera colubrina, Acacia mangium, Casuarina equisetifolia and Eucalyptus urophylla formed associations with EcM fungi. Acaulospora morphotypes served as soil indicators for coverings with the native species Astronium fraxinifolium and Colubrina glandulosa . Exotic species may favor the proliferation of rarer AM fungi. These fungi–plant relationships may be important in the management of forest systems, and the evidence with mycorrhizal associations allows the inclusion of Brazilian species in tropical reforestation.
ISSN:1007-662X
1993-0607
DOI:10.1007/s11676-020-01190-y