Items where Author is "Pegg, Geoff S."

2025

Pegg, G. S., Giblin, F. R., Price, R., Entwistle, P., Sims, R., Shuey, L. S., Stehn, C. and Carnegie, A. J. (2025) The Effects of Myrtle Rust on Post‐Fire Regeneration of Myrtaceae in Australia. Austral Ecology, 50 (7), aec.70099. https://doi.org/10.1111/aec.70099

Chen, S. H., Yap, J.‐Y. S., Viler, V., Stehn, C., Sandhu, K. S., Percival, J., Pegg, G. S., Menzies, T., Jones, A., Guo, K., Giblin, F. R., Cohen, J., Edwards, R. J., Rossetto, M. and Bragg, J. G. (2025) Pathways to Recovery: Genomics and Resistance Assays for Tree Species Devastated by the Myrtle Rust Pathogen. Molecular Ecology , mec.70030. https://doi.org/10.1111/mec.70030

2024

Frampton, R. A., Shuey, L. S., David, C. C., Pringle, G. M., Kalamorz, F., Pegg, G. S., Chagné, D. and Smith, G. R. (2024) Analysis of plant and fungal transcripts from resistant and susceptible phenotypes of Leptospermum scoparium challenged by Austropuccinia psidii. Phytopathology®, 114 (9). pp. 2121-2130. https://doi.org/10.1094/PHYTO-04-24-0138-R

2023

Stevenson, K., Pegg, G. S., Wills, J., Herbohn, J. and Firn, J. (2023) Impacts of Myrtle Rust Induced Tree Mortality on Species and Functional Richness within Seedling Communities of a Wet Sclerophyll Forest in Eastern Australia. Plants, 12 (10). p. 1970. https://doi.org/10.3390/plants12101970

2022

Gallagher, R. V., Allen, S. P., Mackenzie, B. D. E., Keith, D. A., Nolan, R. H., Rumpff, L., Gosper, C. R., Pegg, G. S., van Leeuwen, S., Ooi, M. K. J., Yates, C. J., Merow, C., Williams, R. J., Nikolopoulos, E. I., Beaumont, L. J. and Auld, T. D. (2022) An integrated approach to assessing abiotic and biotic threats to post-fire plant species recovery: Lessons from the 2019–2020 Australian fire season. Global Ecology and Biogeography, n/a (n/a). https://doi.org/10.1111/geb.13478

Moffitt, M. C., Wong‐bajracharya, J., Shuey, L. S., Park, R. F., Pegg, G. S. and Plett, J. M. (2022) Both Constitutive and Infection‐Responsive Secondary Metabolites Linked to Resistance against Austropuccinia psidii (Myrtle Rust) in Melaleuca quinquenervia. Microorganisms, 10 (2). https://doi.org/10.3390/microorganisms10020383

McTaggart, A. R., Drenth, A., Wingfield, M. J., O’Dwyer, C., Shuey, L. S. and Pegg, G. S. (2022) Epidemic spread of smut fungi (Quambalaria) by sexual reproduction in a native pathosystem. European Journal of Plant Pathology, 163 (2). pp. 341-349. https://doi.org/10.1007/s10658-022-02480-3

Pegg, G. S. and et al. (2022) Myrtle rust, the silent killer. [Video]

Duong, H. T., Pegg, G. S., Mazanec, R., McComb, J. A., Burgess, T. and Hardy, G. E. S. J. (2022) Resistance to quambalaria shoot blight and myrtle rust in Corymbia calophylla seedlings. Forest Pathology, 52 (5). e12775. https://doi.org/10.1111/efp.12775

2021

Swanepoel, S., Oates, C. N., Shuey, L. S., Pegg, G. S. and Naidoo, S. (2021) Transcriptome Analysis of Eucalyptus grandis Implicates Brassinosteroid Signaling in Defense Against Myrtle Rust (Austropuccinia psidii). Frontiers in Forests and Global Change, 4 (200). https://doi.org/10.3389/ffgc.2021.778611

2020

Bonora, F. S., Nahrung, H. F., Hayes, R. A., Scharaschkin, T., Pegg, G. S. and Lee, D. J. (2020) Changes in leaf chemistry and anatomy of Corymbia citriodora subsp. variegata (Myrtaceae) in response to native and exotic pathogens. Australasian Plant Pathology, 49 . pp. 641-653. https://doi.org/10.1007/s13313-020-00739-z

Fernandez-Winzer, L., Berthon, K. A., Entwistle, P., Manea, A., Winzer, N., Pegg, G. S., Carnegie, A. J. and Leishman, M. R. (2020) Direct and indirect community effects of the invasive plant pathogen Austropuccinia psidii (myrtle rust) in eastern Australian rainforests. Biological Invasions, 22 (7). pp. 2357-2369.

Bonora, F. S., Nahrung, H. F., Hayes, R. A., Pegg, G. S. and Lee, D. J. (2020) Does disease severity impact on plant foliar chemical and physical responses to two Corymbia citriodora subsp. variegata pathogens? Industrial Crops and Products, 148 . p. 112288. https://doi.org/10.1016/j.indcrop.2020.112288

Ireland, K. B. and Pegg, G. S. (2020) Effect of Austropuccinia psidii inoculum concentration on myrtle rust disease incidence and severity. Australasian Plant Pathology, 49 (3). pp. 239-243. https://doi.org/10.1007/s13313-020-00699-4

Pegg, G. S., Entwistle, P., Giblin, F. R. and Carnegie, A. J. (2020) Fire and rust – the impact of Austropuccinia psidii (myrtle rust) on regeneration of Myrtaceae in coastal heath following wildfire. Southern Forests: a Journal of Forest Science, 82 (3). pp. 280-291. https://doi.org/10.2989/20702620.2020.1819154

Fensham, R. J., Carnegie, A. J., Laffineur, B., Makinson, R. O., Pegg, G. S. and Wills, J. (2020) Imminent Extinction of Australian Myrtaceae by Fungal Disease. Trends in Ecology & Evolution, 35 (7). pp. 554-557. https://doi.org/10.1016/j.tree.2020.03.012

Mackinson, B., Pegg, G. S. and Carnegie, A. J. (2020) Myrtle Rust in Australia – a National Action Plan. Australian Plant Biosecurity Science Foundation, 14 pages.

Stewart, J. E., Kim, M. S., Ota, Y., Sahashi, N., Hanna, J. W., Akiba, M., Ata, J. P., Atibalentja, N., Brooks, F., Chung, C. L., Dann, E. K., Mohd Farid, A., Hattori, T., Lee, S. S., Otto, K., Pegg, G. S., Schlub, R. L., Shuey, L. S., Tang, A. M. C., Tsai, J. N., Cannon, P. G. and Klopfenstein, N. B. (2020) Phylogenetic and population genetic analyses reveal three distinct lineages of the invasive brown root-rot pathogen, Phellinus noxius, and bioclimatic modeling predicts differences in associated climate niches. European Journal of Plant Pathology, 156 (3). pp. 751-766. https://doi.org/10.1007/s10658-019-01926-5

Fernandez Winzer, L., Cuddy, W., Pegg, G. S., Carnegie, A. J., Manea, A. and Leishman, M. R. (2020) Plant architecture, growth and biomass allocation effects of the invasive pathogen myrtle rust (Austropuccinia psidii) on Australian Myrtaceae species after fire. Austral Ecology, 45 (2). pp. 177-186. https://doi.org/10.1111/aec.12845

Smith, G. R., Ganley, B. J., Chagné, D., Nadarajan, J., Pathirana, R. N., Ryan, J., Arnst, E. A., Sutherland, R., Soewarto, J., Houliston, G., Marsh, A. T., Koot, E., Carnegie, A. J., Menzies, T., Lee, D. J., Shuey, L. S. and Pegg, G. S. (2020) Resistance of New Zealand Provenance Leptospermum scoparium, Kunzea robusta, Kunzea linearis, and Metrosideros excelsa to Austropuccinia psidii. Plant Disease, 104 (6). pp. 1771-1780. https://doi.org/10.1094/pdis-11-19-2302-re

Beresford, R. M., Shuey, L. S. and Pegg, G. S. (2020) Symptom development and latent period of Austropuccinia psidii (myrtle rust) in relation to host species, temperature, and ontogenic resistance. Plant Pathology, 69 (3). pp. 484-494. https://doi.org/10.1111/ppa.13145

2019

Andjic, V., Carnegie, A. J., Pegg, G. S., Hardy, G. E. S. J., Maxwell, A., Crous, P. W., Pérez, C., Wingfield, M. J. and Burgess, T. I. (2019) 23 years of research on Teratosphaeria leaf blight of Eucalyptus. Forest Ecology and Management, 443 . pp. 19-27. https://doi.org/10.1016/j.foreco.2019.04.013

Shuey, L. S., Pegg, K. G., Dodd, S., Manners, A. G., White, D., Burgess, T. I., Johnson, S. K. and Pegg, G. S. (2019) Araucaria dieback- a threat to native and plantation forests. In: Australasian Plant Pathology Society Conference APPS 2019 Strong Foundations, Future Innovations, 25-28 November 2019, Melbourne, Australia.

Freeman, J. S., Hamilton, M. G., Lee, D. J., Pegg, G. S., Brawner, J. T., Tilyard, P. A. and Potts, B. M. (2019) Comparison of host susceptibility to native and exotic pathogens provides evidence for pathogen imposed selection in forest trees. New Phytologist, 221 (4). pp. 2261-2272. https://doi.org/10.1111/nph.15557

Butler, J. B., Potts, B. M., Vaillancourt, R. E., Lee, D. J., Pegg, G. S. and Freeman, J. S. (2019) Independent QTL underlie resistance to the native pathogen Quambalaria pitereka and the exotic pathogen Austropuccinia psidii in Corymbia. Tree Genetics & Genomes, 15 (5). Art.72. https://doi.org/10.1007/s11295-019-1378-x

Smith, G., Chagné, D., Ganley, B., Nadarajan, J., Pathirana, R., Ryan, J., Arnst, E., Sutherland, R., Soewarto, J., Houliston, G., Marsh, A., Koot, E., Carnegie, A., Shuey, L. S. and Pegg, G. S. (2019) New Zealand provenance Leptospermum scoparium (mānuka) expresses three resistance phenotypes to the pandemic biotype of Austropuccinia psidii, the causal pathogen of myrtle rust. In: Australasian Plant Pathology Society Conference APPS 2019 Strong Foundations, Future Innovations, 25-28 November 2019, Melbourne, Australia.

2018

Sandino, J., Pegg, G. S., Gonzalez, F. and Smith, G. (2018) Aerial Mapping of Forests Affected by Pathogens Using UAVs, Hyperspectral Sensors, and Artificial Intelligence. Sensors, 18 (4). p. 944. https://doi.org/10.3390/s18040944

Fernandez Winzer, L., Berthon, K. A., Carnegie, A. J., Pegg, G. S. and Leishman, M. R. (2018) Austropuccinia psidii on the move: survey based insights to its geographical distribution, host species, impacts and management in Australia. Biological Invasions, 21 (4). pp. 1215-1225. https://doi.org/10.1007/s10530-018-1891-0

Heim, R. H. J., Wright, I. J., Chang, H. ‐C., Carnegie, A. J., Pegg, G. S., Lancaster, E. K., Falster, D. S. and Oldeland, J. (2018) Detecting myrtle rust (Austropuccinia psidii) on lemon myrtle trees using spectral signatures and machine learning. Plant Pathology, 67 (5). pp. 1114-1121. https://doi.org/10.1111/ppa.12830

Fernandez Winzer, L., Carnegie, A. J., Pegg, G. S. and Leishman, M. R. (2018) Impacts of the invasive fungus Austropuccinia psidii (myrtle rust) on three Australian Myrtaceae species of coastal swamp woodland. Austral Ecology, 43 (1). pp. 56-68. https://doi.org/10.1111/aec.12534

Carnegie, A. J. and Pegg, G. S. (2018) Lessons from the incursion of myrtle rust in Australia. Annual Review of Phytopathology, 56 . pp. 457-478. https://doi.org/10.1146/annurev-phyto-080516-035256

Pegg, G. S., Carnegie, A. J., Giblin, F. R. and Perry, S. (2018) Managing myrtle rust in Australia. CRC2063 . Plant Biosecurity Cooperative Research Centre, 138 pages.

Pegg, G. S., Lee, D. J. and Carnegie, A. J. (2018) Predicting impact of Austropuccinia psidii on populations of broad leaved Melaleuca species in Australia. Australasian Plant Pathology, 47 (4). pp. 421-430. https://doi.org/10.1007/s13313-018-0574-8

2017

du Plessis, E., McTaggart, A. R., Granados, G., Wingfield, M., Roux, J., Pegg, G. S., Makinson, J., Purcell, M. and Ali, M. (2017) First report of myrtle rust caused by Austropuccinia psidii on Rhodomyrtus tomentosa (Myrtaceae) from Singapore. Plant Disease . https://doi.org/10.1094/PDIS-04-17-0530-PDN

Pegg, G. S., Taylor, T., Entwistle, P., Guymer, G., Giblin, F. R. and Carnegie, A. (2017) Impact of Austropuccinia psidii (myrtle rust) on Myrtaceae-rich wet sclerophyll forests in south east Queensland. PLoS ONE, 12 (11). https://doi.org/10.1371/journal.pone.0188058

Griffiths, M. W., Bartlett, J. S., McDonald, J.M., Wylie, F. R., Hayes, A. R., Nahrung, H. F. and Pegg, G. S. (2017) Mapping and Trapping - Protecting Queensland’s Pine Resource. In: Science Protecting Plant Health, 23-29 September 2017, Brisbane.

Pegg, G. S. and Carnegie, A. (2017) Myrtle rust – impact on native Myrtaceae and associated plant communities. In: Science Protecting Plant Health, 23-29 September 2017, Brisbane.

2016

Lancaster, E., Drenth, A., Pegg, G. S. and Lee, D. (2016) Epidemiology, impact and management of myrtle rust (Puccinia psidii) in lemon myrtle plantations. In: Science Exchange 2016, 25-28 October 2016, Creswick, Victoria.

Butler, J. B., Freeman, J. S., Vaillancourt, R. E., Potts, B. M., Glen, M., Lee, D. J. and Pegg, G. S. (2016) Evidence for different QTL underlying the immune and hypersensitive responses of Eucalyptus globulus to the rust pathogen Puccinia psidii. Tree Genetics & Genomes, 12 (3). https://doi.org/10.1007/s11295-016-0987-x

Carnegie, A. J., Kathuria, A., Pegg, G. S., Entwistle, P., Nagel, M. and Giblin, F. R. (2016) Impact of the invasive rust Puccinia psidii (myrtle rust) on native Myrtaceae in natural ecosystems in Australia. Biological Invasions, 18 . pp. 127-144. https://doi.org/10.1007/s10530-015-0996-y

McCornack, B., Weiss, J., Gonzalez, F., Hamilton, G., Barnhart, K., Campbell, D. and Pegg, G. S. (2016) Optimizing surveillance protocols using unmanned aerial systems. In: Science Exchange 2016, 25-28 October 2016, Creswick, Victoria.

Pegg, G. S. and Makinson, R. (2016) Research impact – the past and the future: Myrtle rust. In: Science Exchange 2016, Creswick, Victoria.

2015

Roux, J., Germishuizen, I., Nadel, R., Lee, D. J., Wingfield, M. J. and Pegg, G. S. (2015) Risk assessment for Puccinia psidii becoming established in South Africa. Plant Pathology, 64 (6). pp. 1326-1335. https://doi.org/10.1111/ppa.12380

Lee, D. J., Brawner, J. T. and Pegg, G. S. (2015) Screening Eucalyptus cloeziana and E. argophloia populations for resistance to Puccinia psidii. Plant Disease, 99 (1). p. 71. https://doi.org/10.1094/PDIS-04-14-0353-RE

2014

Pegg, G. S., Brawner, J. T. and Lee, D. J. (2014) Screening Corymbia populations for resistance to Puccinia psidii. Plant Pathology, 63 (2). pp. 425-436. https://doi.org/10.1111/ppa.12097

Roux, J. and Pegg, G. S. (2014) The Myrtle Rust pathogen has arrived - and South African Myrtales are at risk : green news - plant disease alert. Veld & Flora, 100 (1). pp. 12-13.

2013

Pegg, G. S., Giblin, F. R., McTaggart, A. R., Guymer, G. P., Taylor, H., Ireland, K. B., Shivas, R. G. and Perry, S. (2013) Puccinia psidii in Queensland, Australia: disease symptoms, distribution and impact. Plant Pathology, 63 (5). pp. 1005-1021. https://doi.org/10.1111/ppa.12173

2011

Nkuekam, G. K., Wilhelm de Beer, Z., Wingfield, M. J., Mohammed, C., Carnegie, A. J., Pegg, G. S. and Roux, J. (2011) Ophiostoma species (Ophiostomatales, Ascomycota), including two new taxa on eucalypts in Australia. Australian Journal of Botany, 59 (3). pp. 283-297. https://doi.org/10.1071/BT10231

Pegg, G. S., Shuey, L. S., Carnegie, A.J., Wingfield, M.J. and Drenth, A. (2011) Potential gains through selecting for resistance in spotted gum to Quambalaria pitereka. Australasian Plant Pathology, 40 (2). pp. 197-206. https://doi.org/10.1007/s13313-011-0030-5

Carnegie, A. J., Pegg, G. S., White, D. and Burgess, T.I. (2011) Species within Mycosphaerellaceae and Teratosphaeriaceae from eucalypts in eastern Australia. Australasian Plant Pathology, 40 (4). pp. 366-384. https://doi.org/10.1007/s13313-011-0049-7

Pegg, G. S., Nahrung, H., Carnegie, A. J., Wingfield, M. J. and Drenth, A. (2011) Spread and development of quambalaria shoot blight in spotted gum plantations. Plant Pathology, 60 (6). pp. 1096-1106. https://doi.org/10.1111/j.1365-3059.2011.02468.x

Pegg, G. S., Shuey, L. S., Carnegie, A. J., Wingfield, M. J. and Drenth, A. (2011) Variability in aggressiveness of Quambalaria pitereka isolates. Plant Pathology, 60 (6). pp. 1107-1117. https://doi.org/10.1111/j.1365-3059.2011.02478.x

Pegg, G. S., Carnegie, A. J., Wingfield, M. J. and Drenth, A. (2011) Variable resistance to Quambalaria pitereka in spotted gum reveal opportunities for disease screening. Australasian Plant Pathology, 40 (1). pp. 76-86. https://doi.org/10.1007/s13313-010-0016-8

2010

Andjic, V., Pegg, G. S., Carnegie, A. J., Callister, A., StJ Hardy, G.E. and Burgess, T.I. (2010) Teratosphaeria pseudoeucalypti, new cryptic species responsible for leaf blight of Eucalyptus in subtropical and tropical Australia. Plant Pathology, 59 (5). pp. 900-912. https://doi.org/10.1111/j.1365-3059.2010.02308.x

Thu, P.Q., Griffiths, M.W., Pegg, G. S., McDonald, J., Wylie, F. R., King, J. and Lawson, S. A. (2010) Healthy plantations. A field guide to pests and pathogens of Acacia, Eucalyptus and Pinus in Vietnam. State of Queensland, Brisbane, 124 pages.

Pegg, G. S., Gryzenhout, M., O'Dwyer, C., Drenth, A. and Wingfield, M.J. (2010) The Eucalyptus canker pathogen Chrysoporthe cubensis discovered in eastern Australia. Australasian Plant Pathology, 39 (4). pp. 343-349. https://doi.org/10.1071/ap10004

2009

Pegg, G. S., Webb, R.I., Carnegie, A.J., Wingfield, M.J. and Drenth, A. (2009) Infection and disease development of Quambalaria spp. on Corymbia and Eucalyptus spp. Plant Pathology, 58 (4). pp. 642-654. https://doi.org/10.1111/j.1365-3059.2009.02087.x

Pegg, G. S., Carnegie, A. J., Wingfield, M.J. and Drenth, A. (2009) Quambalaria species: increasing threat to eucalypt plantations in Australia. Southern Forests. a Journal of Forest Science, 71 (2). pp. 111-114. https://doi.org/10.2989/SF.2009.71.2.4.819

2008

Lawson, S.A., McDonal, J.M. and Pegg, G. S. (2008) Forest health surveillance methodology in hardwood plantations in Queensland, Australia. Australian Forestry, 71 (3). pp. 177-181.

Pegg, G. S., O'Dwyer, C., Carnegie, A. J., Burgess, T.I., Wingfield, M.J. and Drenth, A. (2008) Quambalaria species associated with plantation and native eucalypts in Australia. Plant Pathology, 57 (4). pp. 702-714. https://doi.org/10.1111/j.1365-3059.2008.01840.x

Carnegie, A., Lawson, S.A., Smith, T., Pegg, G. S., Stone, C. and McDonald, J. (2008) Healthy hardwoods. A field guide to pests, diseases and nutritional disorders in subtropical hardwoods. Forest and Wood Products Australia, Victoria, 140 pages.

2007

Andjic, V., Barber, P.A., Carnegie, A. J., Pegg, G. S., Hardy, G.E.S.J., Wingfield, M.J. and Burgess, T. (2007) Kirramyces viscidus sp. nov., a new eucalypt pathogen from tropical Australia closely related to the serious leaf pathogen, Kirramyces destructans. Australasian Plant Pathology, 36 (5). pp. 478-487. https://doi.org/10.1071/AP07054

van Wyk, M., Pegg, G. S., Lawson, S.A. and Wingfield, M.J. (2007) Ceratocystis atrox sp. nov. associated with Phoracantha acanthocera infestations on Eucalyptus grandis in Australia. Australasian Plant Pathology, 36 (5). pp. 407-417. https://doi.org/10.1071/AP07042

Zhou, X., Wilhelm de Beer, Z., Xie, Y., Pegg, G. S. and Wingfield, M.J. (2007) DNA-based identification of Quambalaria pitereka causing severe leaf blight of Corymbia citriodora in China. Fungal Diversity, 25 . pp. 245-254.

Trueman, S. J., Pegg, G. S. and King, J. (2007) Domestication for Conservation of an Endangered Species: The Case of the Wollemi Pine. Tree and Forestry Science and Biotechnology, 1 . pp. 1-10.

2006

De Beer, Z.W., Begerow, D., Bauer, R., Pegg, G. S., Crous, P.W. and Wingfield, M.J. (2006) Phytogeny of the Quambalariaceae fam. nov., including important Eucalyptus pathogens in South Africa and Australia. Studies in Mycology, 55 . pp. 289-298.

Burgess, T.I., Barber, P.A., Mohali, S., Pegg, G. S., De Beer, W. and Wingfield, M.J. (2006) Three new Lasiodiplodia spp. from the tropics, recognized based on DNA sequence comparisons and morphology. Mycologia, 98 (3). pp. 423-435. https://doi.org/10.3852/mycologia.98.3.423

2005

Griffiths, M. W., Wylie, F. R., Lawson, S. A. and Pegg, G. S. (2005) Pestilence and plagues - the threat in the north. Australian Forest Grower, 27 (4). p. 32.

Ramsden, M., Pegg, G. S., McIlwain, J.-J. and Francis, L. P. (2005) Forest disease: urban disaster? International Forestry Review, 7 (5). p. 303.

Pegg, G. S., Drenth, A. and Wingfield, M. J. (2005) Quambalaria pitereka on spotted gum plantations in Queensland and northern New South Wales, Australia. International Forestry Review, 7 (5). p. 337.

Pegg, G. S., Ramsden, M. and Whan, J. (2005) The control of root rot pathogens, Phellinus noxius and Rigidoporus vinctus, in Queensland hoop pine plantations. International Forestry Review, 7 (5). pp. 247-248.

2004

Griffiths, M.W., Wylie, F. R., Lawson, S. A., Pegg, G. S. and McDonald, J. (2004) Known or potential threats from pests and diseases to prospective tree species for high value timber plantings in northern Australia. In: Prospects for high-value hardwood timber plantations in the'dry'tropics of northern Australia, 19th-21st October 2004, Mareeba, Australia.