World's Best Scientists 2026 revealed!
Giles E. St. J. Hardy

Giles E. St. J. Hardy

D-Index & Metrics

Plant Science and Agronomy

D-Index
66
Citations
13818
World Ranking
885
National Ranking
82

Ecology and Evolution

D-Index
66
Citations
13827
World Ranking
1713
National Ranking
140

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Botany
  • Ecosystem

His primary scientific interests are in Botany, Ecology, Phytophthora cinnamomi, Ecosystem and Rhizosphere. His Botany research focuses on Eucalyptus, Eucalyptus marginata, Taxonomy, Phytophthora and Botryosphaeria. His Phytophthora study incorporates themes from Streptomyces violascens, Streptomyces and Root rot.

His study looks at the relationship between Phytophthora cinnamomi and fields such as Plant community, as well as how they intersect with chemical problems. His biological study spans a wide range of topics, including Sporangium, Pythium and Hypha. His Biodiversity research is multidisciplinary, relying on both Habitat, Digging and Ecosystem services.

His most cited work include:

  • Is the loss of Australian digging mammals contributing to a deterioration in ecosystem function (144 citations)
  • The 10 Australian ecosystems most vulnerable to tipping points (141 citations)
  • Seven new species of the Botryosphaeriaceae from baobab and other native trees in Western Australia (98 citations)

What are the main themes of his work throughout his whole career to date?

His primary areas of investigation include Ecology, Botany, Phytophthora cinnamomi, Phytophthora and Agroforestry. His is doing research in Ecosystem, Habitat, Biodiversity, Woodland and Vegetation, both of which are found in Ecology. His Botany study combines topics in areas such as Pathogen, Inoculation and Phylogenetic tree.

His Phytophthora cinnamomi research includes themes of Fungicide, Banksia and Native plant. Giles E. St. J. Hardy combines subjects such as Taxon, Range and Rhizosphere with his study of Phytophthora. While the research belongs to areas of Agroforestry, Giles E. St. J. Hardy spends his time largely on the problem of Forestry, intersecting his research to questions surrounding Canopy.

He most often published in these fields:

  • Ecology (40.99%)
  • Botany (27.42%)
  • Phytophthora cinnamomi (24.54%)

What were the highlights of his more recent work (between 2017-2021)?

  • Ecology (40.99%)
  • Phytophthora (24.28%)
  • Phytophthora cinnamomi (24.54%)

In recent papers he was focusing on the following fields of study:

His primary areas of study are Ecology, Phytophthora, Phytophthora cinnamomi, Horticulture and Ecosystem. His work in Ecology is not limited to one particular discipline; it also encompasses Corymbia calophylla. His work deals with themes such as Biosecurity, Phylogenetic tree, Phylogenetics, Community composition and Generalist and specialist species, which intersect with Phytophthora.

The Phytophthora cinnamomi study combines topics in areas such as Soil type, Soil water, Inoculation, Water content and Urban forest. Giles E. St. J. Hardy has included themes like Terrestrial plant, Biodiversity and Biota in his Ecosystem study. In his research, Rhizosphere is intimately related to Botany, which falls under the overarching field of Threatened species.

Between 2017 and 2021, his most popular works were:

  • Subcontinental heat wave triggers terrestrial and marine, multi-taxa responses. (41 citations)
  • eDNA from roots: a robust tool for determining Phytophthora communities in natural ecosystems (19 citations)
  • Global biogeography and invasion risk of the plant pathogen genus Phytophthora (16 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Botany
  • Ecosystem

The scientist’s investigation covers issues in Ecology, Phytophthora, Agronomy, Corymbia calophylla and Biodiversity. His Ecology research includes elements of Natural selection and Heritability. Giles E. St. J. Hardy interconnects Community, Biosecurity and Community composition in the investigation of issues within Phytophthora.

His Agronomy research is multidisciplinary, incorporating elements of Biomass, Agriculture, Urea and Host. His Corymbia calophylla study integrates concerns from other disciplines, such as Allocasuarina fraseriana, Eucalyptus and Abiotic stress. His Biodiversity research incorporates themes from Agroforestry and Ecosystem.

Best Publications

  • Biological control of Sclerotinia minor using a chitinolytic bacterium and actinomycetes

    K.A. El-Tarabily;M.H. Soliman;A.H. Nassar;H.A. Al-Hassani

  • Fungal Planet description sheets: 469-557

    Pedro W. Crous;Pedro W. Crous;Michael J. Wingfield;Treena I. Burgess;G. E.St J. Hardy

  • Is the loss of Australian digging mammals contributing to a deterioration in ecosystem function

    Patricia A. Fleming;Hannah Anderson;Amy S. Prendergast;Michael R. Bretz

  • Fungal Planet description sheets: 400–468

    P. W. Crous;P. W. Crous;M. J. Wingfield;D. M. Richardson;J. J. Le Roux

  • The future of phosphite as a fungicide to control the soilborne plant pathogen Phytophthora cinnamomi in natural ecosystems

    G. E. St.J. Hardy;S. Barrett;B. L. Shearer

  • Current and projected global distribution of Phytophthora cinnamomi, one of the world's worst plant pathogens.

    Treena I. Burgess;John K. Scott;John K. Scott;Keith L. Mcdougall;Michael J. C. Stukely

  • Sudden forest canopy collapse corresponding with extreme drought and heat in a mediterranean-type eucalypt forest in southwestern Australia

    George Matusick;Katinka X. Ruthrof;Niels C. Brouwers;Bernard Dell

  • Fungal Planet description sheets: 625-715

    P.W. Crous;M.J. Wingfield;T.I. Burgess;A.J. Carnegie

  • The 10 Australian ecosystems most vulnerable to tipping points

    William F. Laurance;Bernard Dell;Stephen M. Turton;Michael J. Lawes

  • Fungal Planet description sheets: 716-784.

    Pedro W. Crous;Michael J. Wingfield;T.I. Burgess;G.E.St.J. Hardy

  • Fungal Planet description sheets: 107–127

    P.W. Crous;B.A. Summerell;R.G. Shivas;T.I. Burgess

  • Multiple new Phytophthora species from ITS Clade 6 associated with natural ecosystems in Australia: evolutionary and ecological implications

    T. Jung;M.J.C. Stukely;G.E.St.J. Hardy;D. White

  • Fungal Planet description sheets: 558-624

    P.W. Crous;M.J. Wingfield;T.I. Burgess;G.E.St.J. Hardy

  • Phytophthora multivora sp. nov., a new species recovered from declining Eucalyptus, Banksia, Agonis and other plant species in Western Australia

    P.M. Scott;T.I. Burgess;P.A. Barber;B.L. Shearer

  • Seven new species of the Botryosphaeriaceae from baobab and other native trees in Western Australia

    Draginja Pavlic;Michael J. Wingfield;Paul Barber;Bernard Slippers

  • Underappreciated plant vulnerabilities to heat waves

    David D. Breshears;Joseph B. Fontaine;Katinka X. Ruthrof;Jason P. Field

  • Phosphite primed defence responses and enhanced expression of defence genes in Arabidopsis thaliana infected with Phytophthora cinnamomi

    L. Eshraghi;J. Anderson;J. Anderson;N. Aryamanesh;B. Shearer;B. Shearer

  • Subcontinental heat wave triggers terrestrial and marine, multi-taxa responses.

    Katinka X. Ruthrof;David D. Breshears;Joseph B. Fontaine;Ray H. Froend

  • Pathogenic Botryosphaeriaceae associated with Mangifera indica in the Kimberley Region of Western Australia

    Monique L. Sakalidis;Jane D. Ray;Vincent Lanoiselet;Giles E. StJ. Hardy

  • The potential for the biological control of cavity-spot disease of carrots, caused by Pythium coloratum, by streptomycete and non-streptomycete actinomycetes

    Khaled A. El‐Tarabily;Giles E. St. J. Hardy;Krishnapillai Sivasithamparam;Assem M. Hussein

  • International variation in phytosanitary legislation and regulations governing importation of plants for planting

    R. Eschen;K. Britton;E. Brockerhoff;T. Burgess

  • Endophytes as potential pathogens of the baobab species Adansonia gregorii: a focus on the Botryosphaeriaceae

    Monique L. Sakalidis;Giles E. StJ. Hardy;Treena I. Burgess

  • Survival of Phytophthora cinnamomi as oospores, stromata, and thick-walled chlamydospores in roots of symptomatic and asymptomatic annual and herbaceous perennial plant species

    Michael Crone;Jen A. McComb;Philip A. O’Brien;Giles E.St J. Hardy

  • Phosphorus nutrition of phosphorus-sensitive Australian native plants: threats to plant communities in a global biodiversity hotspot

    Hans Lambers;Idriss Ahmedi;Idriss Ahmedi;Oliver Berkowitz;Oliver Berkowitz;Chris Dunne;Chris Dunne

  • Landscape-scale assessment of tree crown dieback following extreme drought and heat in a Mediterranean eucalypt forest ecosystem

    Niels Brouwers;George Matusick;Katinka Ruthrof;Thomas Lyons

  • Defining the phosphite-regulated transcriptome of the plant pathogen Phytophthora cinnamomi

    Michaela King;Wayne Reeve;Mark B. Van der Hoek;Nari Williams

  • How drought-induced forest die-off alters microclimate and increases fuel loadings and fire potentials

    Katinka X. Ruthrof;Joseph B. Fontaine;George Matusick;George Matusick;David D. Breshears

  • Use of the Genealogical Sorting Index (GSI) to delineate species boundaries in the Neofusicoccum parvum–Neofusicoccum ribis species complex

    Monique L. Sakalidis;Giles E. St. J. Hardy;Treena I. Burgess

  • Plant functional traits differ in adaptability and are predicted to be differentially affected by climate change.

    Collin W Ahrens;Margaret E Andrew;Richard A Mazanec;Katinka X Ruthrof

  • Botryosphaeria species from Eucalyptus in Australia are pleoanamorphic, producing dichomera synanamorphs in culture.

    Paul A. Barber;Treena J. Burgess;Giles E. St.J. Hardy;Bernard Slippers

  • Gene flow of the canker pathogen Botryosphaeria australis between Eucalyptus globulus plantations and native eucalypt forests in Western Australia

    Treena I. Burgess;Monique L. Sakalidis;Giles E. S. T. J. Hardy

  • Characterization of Phytophthora hybrids from ITS clade 6 associated with riparian ecosystems in South Africa and Australia.

    Jan Hendrik Nagel;Marieka Gryzenhout;Bernard Slippers;Michael J. Wingfield

  • Phenotypic variation in a clonal lineage of two Phytophthora cinnamomi populations from Western Australia

    Daniel Huberli;Inez C. Tommerup;Mark P. Dobrowolski;Michael C. Calver

  • Phytophthora bilorbang sp. nov., a new species associated with the decline of Rubus anglocandicans (European blackberry) in Western Australia

    Sonia Aghighi;Giles E. St. J. Hardy;John K. Scott;Treena I. Burgess

  • New insights into the survival strategy of the invasive soilborne pathogen Phytophthora cinnamomiin different natural ecosystems in Western Australia

    T. Jung;I.J. Colquhoun;G.E.S.J. Hardy

Frequent Co-Authors

Treena I. Burgess
Treena I. Burgess Murdoch University
Bernard Dell
Bernard Dell Murdoch University
Patricia A. Fleming
Patricia A. Fleming Murdoch University
Jen A. McComb
Jen A. McComb Murdoch University
Richard J. Hobbs
Richard J. Hobbs University of Western Australia
Joseph B. Fontaine
Joseph B. Fontaine Murdoch University
Krishnapillai Sivasithamparam
Krishnapillai Sivasithamparam University of Western Australia
Oliver Berkowitz
Oliver Berkowitz La Trobe University
Erik J. Veneklaas
Erik J. Veneklaas University of Western Australia
Michael J. Wingfield
Michael J. Wingfield University of Pretoria

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