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Application of slow-release phosphorus fertilizers increases arbuscular mycorrhizal fungal diversity in the roots of apple trees

Van Geel, Maarten ; De Beenhouwer, Matthias ; Ceulemans, Tobias ; Caes, Kenny ; Ceustermans, An ; Bylemans, Dany ; Gomand, Ann ; Lievens, Bart ; Honnay, Olivier

Plant and soil, 2016-05, Vol.402 (1-2), p.291-301 [Periódico revisado por pares]

Cham: Springer International Publishing

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Título:
Application of slow-release phosphorus fertilizers increases arbuscular mycorrhizal fungal diversity in the roots of apple trees
Autor: Van Geel, Maarten ; De Beenhouwer, Matthias ; Ceulemans, Tobias ; Caes, Kenny ; Ceustermans, An ; Bylemans, Dany ; Gomand, Ann ; Lievens, Bart ; Honnay, Olivier
Assuntos: agroecosystems ; Apples ; Biodiversity ; Biomedical and Life Sciences ; community structure ; Ecology ; Environmental aspects ; Fertilization ; fertilizer application ; Fertilizers ; field experimentation ; Fungi ; genes ; Inorganic fertilizers ; Life Sciences ; Malus ; Malus domestica ; Mycorrhizae ; Mycorrhizal fungi ; Observations ; Orchard soils ; Organic fertilizers ; Phosphate fertilizers ; Phosphatic fertilizers ; phosphorus ; phosphorus fertilizers ; Plant Physiology ; Plant roots ; Plant Sciences ; Plant-soil relationships ; Regular Article ; ribosomal RNA ; roots ; Slow release fertilizers ; soil ; Soil microorganisms ; Soil Science & Conservation ; Species diversity ; Taxa ; Trees ; vesicular arbuscular mycorrhizae
É parte de: Plant and soil, 2016-05, Vol.402 (1-2), p.291-301
Notas: http://dx.doi.org/10.1007/s11104-015-2777-x
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Descrição: AIMS: Arbuscular mycorrhizal fungi (AMF) play a key role in the functioning of agricultural ecosystems. Therefore, understanding how the application of fertilizers, a common management practice, affects AMF communities is of major importance. Here we aimed to: (i) experimentally test whether different amounts and forms of phosphorus (P) fertilizer affect AMF diversity and community composition associated with the roots of apple trees (Malus domestica); (ii) identify differences in tolerance to P fertilization between AMF taxa. METHODS: We used 454-pyrosequencing of the small subunit rRNA gene amplicons to quantify AMF diversity and community composition in root samples obtained from a three year field experiment, with two inorganic, three slow-release P fertilization and one control treatment. RESULTS: The slow-release fertilizer treatments showed significantly higher AMF richness and differed in community composition compared to the inorganic fertilizer treatments. The distribution of AMF OTUs showed a significantly nested pattern. Additionally, AMF communities in the inorganic fertilizer treatments were a subset of the communities in the slow-release fertilizer treatments. CONCLUSIONS: We demonstrate that application of slow-release fertilizers promoted AMF diversity in the roots of cultivated apple trees in comparison to the other treatments. The application of inorganic fertilizers elevated levels of plant-available P in the soil and selected only a small subset of abundant AMF, resulting in a lower AMF diversity. This may result in AMF communities dominated by inferior AMF mutualists.
Editor: Cham: Springer International Publishing
Idioma: Inglês

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Application of slow-release phosphorus fertilizers increases arbuscular mycorrhizal fungal diversity in the roots of apple trees

Van Geel, Maarten ; De Beenhouwer, Matthias ; Ceulemans, Tobias ; Caes, Kenny ; Ceustermans, An ; Bylemans, Dany ; Gomand, Ann ; Lievens, Bart ; Honnay, Olivier

Cham: Springer International Publishing

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