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  1. Home
  3. Unveiling A Hidden Menace: Invasive Tree Pathogens, Less Known But Increasingly Threatening Southern Hemisphere Forests.
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  3. Unveiling A Hidden Menace: Invasive Tree Pathogens, Less Known But Increasingly Threatening Southern Hemisphere Forests.

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Unveiling a Hidden Menace: Invasive Tree Pathogens, Less Known but Increasingly Threatening Southern Hemisphere

Treena I Burgess1, Michael J Wingfield2

  • 11Harry Butler Institute, Murdoch University, Murdoch, Western Australia, Australia;

Annual Review of Phytopathology
|June 15, 2026

View abstract on PubMed

Summary
This summary is machine-generated.

Southern Hemisphere forests face increasing epidemic risks due to globalization and plantation forestry. Proactive strategies including phytosanitary standards and international cooperation are crucial for preventing and managing forest pathogens.

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Area of Science:

  • Ecology
  • Forestry
  • Pathology

Background:

  • Forest pathogens have historically restructured Northern Hemisphere ecosystems.
  • Southern Hemisphere forests were historically protected by geographic isolation and lower trade.
  • Globalization, climate change, and exotic plantation forestry are increasing pathogen risks in the Southern Hemisphere.

Purpose of the Study:

  • To highlight the escalating risk of forest epidemics in the Southern Hemisphere.
  • To draw lessons from Northern Hemisphere experiences.
  • To call for proactive and coordinated responses to emerging forest pathogen threats.

Main Methods:

  • Review of historical forest pathogen impacts.
  • Analysis of factors increasing vulnerability in the Southern Hemisphere.
  • Synthesis of strategies for prevention and response.

    • Main Results:

    • Vast, low-diversity exotic forest monocultures (Pinus, Eucalyptus) amplify pathogen spread and emergence.
    • Eroding barriers increase the likelihood of incursions.
    • Lessons from the Northern Hemisphere emphasize the need for integrated management.

    Conclusions:

    • Stringent phytosanitary standards, advanced diagnostics, and surveillance are essential.
    • Collaborative breeding programs for host resistance are critical.
    • International cooperation across sectors is vital for resilience against shared pathogen threats.