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Teratosphaeria pseudonubilosa sp. nov., a serious Eucalyptus leaf pathogen in the Teratosphaeria nubilosa species complex

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Abstract

Teratosphaeria nubilosa is one of the most important pathogens of Eucalyptus in commercial plantations. A recent study has shown that the fungus, hitherto treated under this name, represents a complex of two species. Teratosphaeria pseudonubilosa sp. nov. is, therefore, described as a closely related and morphologically similar, sister species to T. nubilosa. T. pseudonubilosa infects leaves of commercially propagated and native E. globulus trees in forests of Victoria and Tasmania (Australia), where it is native. It has also been introduced into Western Australia and New Zealand where it causes serious defoliation of susceptible trees. A revised geographical distribution of T. nubilosa sensu stricto and T. pseudonubilosa is provided to assist in the future management of the diseases that they cause.

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Acknowledgments

We thank the National Research Foundation (NRF), members of the Tree Protection Co-operative Programme (TPCP), the THRIP initiative of the Department of Trade and Industry and the Department of Science and Technology (DST)/NRF Centre of Excellence in Tree Health Biotechnology (CTHB), South Africa, for financial support. Katherine Taylor, Ian Smith and David Smith are thanked for their contribution in sample collections and the CRC for Forestry for financial support when G.P. was collecting specimens in Australia.

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Authors and Affiliations

  1. Department of Microbiology and Plant Pathology, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, 0002, Gauteng, South Africa

    Guillermo Pérez & Michael J. Wingfield

  2. Instituto Superior de Estudios Forestales, Centro Universitario de Tacuarembó, Universidad de la República, Montevideo, Uruguay

    Guillermo Pérez

  3. CRC for Forestry, School of Veterinary and Life Sciences, Murdoch University, Perth, 6150, Australia

    Treena I. Burgess

  4. Department of Genetics, Forestry and Agricultural Biotechnology Institute (FABI), University of Pretoria, Pretoria, 0002, South Africa

    Treena I. Burgess, Bernard Slippers & Brenda D. Wingfield

  5. NSW Department of Primary Industries, Biosecurity NSW, PO Box 100, Beecroft, 2119, Australia

    Angus J. Carnegie

Authors
  1. Guillermo Pérez
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  2. Treena I. Burgess
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  3. Bernard Slippers
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  4. Angus J. Carnegie
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  5. Brenda D. Wingfield
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  6. Michael J. Wingfield
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Correspondence to Guillermo Pérez.

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Pérez, G., Burgess, T.I., Slippers, B. et al. Teratosphaeria pseudonubilosa sp. nov., a serious Eucalyptus leaf pathogen in the Teratosphaeria nubilosa species complex. Australasian Plant Pathol. 43, 67–77 (2014). https://doi.org/10.1007/s13313-013-0245-8

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Keywords

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