European Journal of Plant Pathology

, Volume 153, Issue 1, pp 89–100 | Cite as

Bayesian analyses of five gene regions reveal a new phylogenetic species of Macrophomina associated with charcoal rot on oilseed crops in Brazil

  • Alexandre Reis Machado
  • Danilo Batista Pinho
  • Dartanhã José Soares
  • André Angelo Medeiros Gomes
  • Olinto Liparini PereiraEmail author


Macrophomina is a genus belonging to Botryosphaeriaceae that comprises well-known necrotrophic pathogens related to hundreds of plant hosts around the world. Historically, M. phaseolina is the causal agent of charcoal rot in several crops, mainly in tropical and subtropical areas around the world. However, after a recent genetic diversity study using morphological and molecular approaches, which resulted in the epitypification of M. phaseolina, and the description of a new Macrophomina species associated with charcoal rot disease, the hypothesis that other cryptic species could be present under the name M. phaseolina was raised. Previous studies in Brazil revealed a high genetic diversity and different levels of aggressiveness of M. phaseolina isolates associated with charcoal rot in oilseed crops. Thus, the aim of the present study was, through phylogenetic and morphological studies, to determine if isolates of Macrophomina obtained from different oilseed crops represent a single species or distinct taxa. Based on the results obtained, it was possible to identify three different Macrophomina species: M. phaseolina, M. pseudophaseolina and a new phylogenetic species, M. euphorbiicola. This is first report of M. pseudophaseolina in Brazil causing charcoal rot on Arachis hypogaea, Gossypium hirsutum and Ricinus communis and associated with seed decay of Jatropha curcas. In addition, a novel species described in the present study, M. euphorbiicola, is reported as the etiological agent of the charcoal rot on R. communis and Jatropha gossypifolia.


Botryosphaeriales Cryptic species Phylogeny Plant pathology Soil-borne fungi 



We thank Conselho Nacional de Desenvolvimento Científico e Tecnológico – CNPq, the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – CAPES and Fundação de Amparo a Pesquisa do Estado de Minas Gerais –FAPEMIG (APQ-00387-16) for financial support.

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest and that the manuscript complies with the ethical standards of the journal.


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Copyright information

© Koninklijke Nederlandse Planteziektenkundige Vereniging 2018

Authors and Affiliations

  • Alexandre Reis Machado
    • 1
  • Danilo Batista Pinho
    • 2
  • Dartanhã José Soares
    • 3
  • André Angelo Medeiros Gomes
    • 4
  • Olinto Liparini Pereira
    • 5
    Email author
  1. 1.Departamento de MicologiaUniversidade Federal de PernambucoRecifeBrazil
  2. 2.Departamento de FitopatologiaUniversidade de BrasíliaBrasíliaBrazil
  3. 3.Empresa Brasileira de Pesquisa Agropecuária, Embrapa AlgodãoCampina GrandeBrazil
  4. 4.Departamento de Microbiologia AgrícolaUniversidade Federal de ViçosaViçosaBrazil
  5. 5.Departamento de FitopatologiaUniversidade Federal de ViçosaViçosaBrazil

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