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    How Phytophthora cinnamomi became associated with the death of Eucalyptus marginata – the early investigations into jarrah dieback

    226996_226996.pdf (1.235Mb)
    Access Status
    Open access
    Authors
    Davison, Elaine
    Date
    2015
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Davison, E. 2015. How Phytophthora cinnamomi became associated with the death of Eucalyptus marginata – the early investigations into jarrah dieback. Australasian Plant Pathology. 44 (3): pp. 263-271.
    Source Title
    Australasian Plant Pathology
    DOI
    10.1007/s13313-015-0356-5
    ISSN
    08153191
    School
    Department of Environment and Agriculture
    Remarks

    The final publication is available at Springer via http://doi.org/10.1007/s13313-015-0356-5

    URI
    http://hdl.handle.net/20.500.11937/29701
    Collection
    • Curtin Research Publications
    Abstract

    The name jarrah dieback was used in the 1940s to describe a serious economic problem in the jarrah forest in the south west of Western Australia. This was the sudden death of groups of jarrah (Eucalyptus marginata) trees that occurred on previously logged sites that had a tendency to become waterlogged in winter. Although the cause was not determined at the time, from symptoms recorded in early investigations the most likely explanation is that the trees died as the result of waterlogging damage. In the 1960s it was shown that many of these sites were infested by the introduced oomycete Phytophthora cinnamomi and tree deaths, together with the deaths of many mid- and under-storey plants, were attributed to this pathogen. A chronology of the research, based on contemporary unpublished documents, shows that in 1968 the conclusion that P. cinnamomi caused jarrah deaths was not supported by the available evidence, because the work did not satisfy the first and fourth of Koch’s postulates. The evidence that P. cinnamomi killed many mid- and under-storey plants was much stronger. There are two problems that have been confused: the death of groups of jarrah trees (jarrah dieback) that is caused by waterlogging and the death of many mid- and under-storey plants (Phytophthora dieback) caused by P. cinnamomi infection.

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    • Resolving confusions about jarrah dieback - don’t forget the plants
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      The name jarrah dieback has been used for two different disorders, leading to considerable confusion. It was coined in the 1940s to describe the sudden death of groups of jarrah (Eucalyptus marginata) trees in south western ...
    • Relative importance of site, weather and Phytophthora cinnamomi in the decline and death of Eucalyptus marginata – jarrah dieback investigations in the 1970s to 1990s
      Davison, Elaine (2018)
      Jarrah dieback was the name given to the sudden death of Eucalyptus marginata in the southwest ofWestern Australia, a serious economic problem. Although deaths were attributed to Phytophthora cinnamomi in the 1960s, the ...
    • Gene validation and remodelling using proteogenomics of Phytophthora cinnamomi, the causal agent of Dieback
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      Phytophthora cinnamomi is a pathogenic oomycete that causes plant dieback disease across a range of natural ecosystems and in many agriculturally important crops on a global scale. An annotated draft genome sequence is ...
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