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Australasian Plant Pathology

, Volume 36, Issue 5, pp 478–487 | Cite as

Kirramyces viscidus sp. nov., a new eucalypt pathogen from tropical Australia closely related to the serious leaf pathogen, Kirramyces destructans

  • V. Andjic
  • P. A. Barber
  • A. J. Carnegie
  • G. S. Pegg
  • G. E. St. J. Hardy
  • M. J. Wingfield
  • T. I. Burgess
Article

Abstract

Kirramyces destructans is a serious pathogen causing a leaf, bud and shoot blight disease of Eucalyptus plantations in the subtropics and tropics of South-East Asia. During surveillance of eucalypt taxa trials in northern Queensland, symptoms resembling those of K. destructans were observed on Eucalyptus grandis and E. grandis × E. camaldulensis. Phylogenetic and morphological studies revealed that the Kirramyces sp. associated with these symptoms represents a new taxon described here as K. viscidus sp. nov., which is closely related to K. destructans. Plantation assessments revealed that while E. grandis from the Copperload provenance, collected in northern Queensland, recovered from disease, E. grandis × E. camaldulensis hybrids from South America were highly susceptible to infection by K. viscidus and are not recommended for planting in northern Queensland. Preliminary results suggest the fungus probably originates from Australia. K. viscidus is closely related to K. destructans and causes a disease with similar symptoms, suggesting that it could seriously damage Australian eucalypt plantations, especially those planted off-site.

Additional keywords

phylogenetics 

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Copyright information

© Australasian Plant Pathology Society 2007

Authors and Affiliations

  • V. Andjic
    • 1
  • P. A. Barber
    • 1
  • A. J. Carnegie
    • 2
  • G. S. Pegg
    • 3
  • G. E. St. J. Hardy
    • 1
  • M. J. Wingfield
    • 4
  • T. I. Burgess
    • 1
    • 4
  1. 1.Biological ScienceMurdoch UniversityMurdochAustralia
  2. 2.Forest Resources ResearchNSW Department of Primary IndustriesBeecroftAustralia
  3. 3.Department of Primary Industries and FisheriesHorticulture and Forestry ScienceIndooroopillyAustralia
  4. 4.Forestry and Agricultural Biotechnology Institute (FABI)University of PretoriaPretoriaSouth Africa

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