Dr Trudy Paap
| Research Fellow | |
Department |
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FABI |
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| This email address is being protected from spambots. You need JavaScript enabled to view it. |
Research Profiles
My Students
Masters Students
Co Supervisor |
| Brittney-Aidan Jamieson |
My Links
Worldwide forests are increasingly under threat from invasive pests and pathogens. While impacts of tree health disasters are experienced locally, the drivers of their emergence are global; therefore, a strategy for dealing with pests and pathogens is urgently required at a global level. The International Plant Sentinel Network (IPSN) (www.plantsentinel.org) has been established with the objective of functioning as an early warning system to identify new and emerging pest and pathogen risks, and my current research will use the IPSN as background to improve surveillance and identification of new and emerging pest and pathogen risks by using botanic gardens and arboreta as sentinel sites for tree health monitoring. The focus area of detection is central to the project, but in addition, using sentinel plants within botanic gardens also provides relevant information on a particular pest, including potential host range, which can then be used to determine the risk a pest poses and potentially aid in the development of appropriate eradication and/or containment programmes.
My previous research included the detection and management of Phytophthora cinnamomi in natural ecosystems of south west Western Australia, and understanding the underlying causes of and determining practical management solutions to canker disease of Corymbia calophylla (marri), a keystone tree species of SWWA, caused by the endemic fungal pathogen Quambalaria coyrecup.
My Book Chapters
Export to RIS
| Book Chapters |
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Potgieter LJ, Douwes E, Gaertner M, Measey J, Paap T, Richardson DM. 2020. Biological Invasions in South Africa’s Urban Ecosystems: Patterns, Processes, Impacts, and Management. In: Biological Invasions in South Africa. van Wilgen BW, Measey J, Richardson DM, Wilson JR, Zengeya TA. (eds). Springer International Publishing, Cham, pp 275-309.  |
My Journal Articles
Export to RIS
| Publication |
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| Hiroyuki S, Marincowitz S, Roux J, Paap T, Wingfield BD, Wingfield MJ. (2024) A new genus and species of Cryphonectriaceae causing stem cankers on plantation eucalypts in South Africa. Plant Pathology :1-14.
10.1111/ppa.13883 |
| Roberts E, Paap T, Roets F. (2024) Chemical control of the Polyphagous Shothole Borer beetle (PSHB, Euwallacea fornicatus) and Fusarium euwallaceae in American sweetgum (Liquidambar styraciflua). Journal of Plant Pathology
10.1007/s42161-023-01583-y |
| Engelbrecht K, Raubenheimer I, Paap T, Neethling E, Roets F. (2024) Detection of Fusarium euwallaceae and its vector Euwallacea fornicatus on Pear (Pyrus communis) and in deciduous fruit orchards in South Africa. Australasian Plant Disease Notes 19(1)
10.1007/s13314-023-00524-z |
| Paap T, Marincowitz S, Pham NQ, Roets F, Basson RJ, Wingfield BD, Oberlander K, Wingfield MJ. (2023) A novel species of Microsphaeropsis causing cankers on Rafnia amplexicaulis in South Africa. Fungal Systematics and Evolution 12:73-80.
10.3114/fuse.2023.12.05 |
| Franić I, Allan E, Prospero S, ..., Paap T, et al.. (2023) Climate, host and geography shape insect and fungal communities of trees. Scientific Reports 13:1-13.
10.1038/s41598-023-36795-w |
| Paap T, Santini A, Rodas CA, Granados GM, Pecori F, Wingfield MJ. (2023) Myrtus communis in Europe threatened by the pandemic and South African strains of the myrtle rust pathogen Austropuccinia psidii (Sphaerophragmiaceae, Pucciniales). NeoBiota 84:41-46.
10.3897/neobiota.84.95823 |
| Paap T, Nndanduleni M, Wingfield MJ. (2023) A critically endangered Proteaceae in the Cape Floristic Region threatened by an invasive pathogen. Bothalia 53(1):a6.
10.38201/btha.abc.v53.i1.6 |
| Migliorini D, Auger-Rozenberg M-A, Battisti A, Brockerhoff E, Eschen R, Fan J-t, Jactel H, Orazio C, Paap T, Prospero S, Ren L, Kenis M, Roques A, Santini A. (2023) Towards a global sentinel plants research strategy to prevent new introductions of non-native pests and pathogens in forests. The experience of HOMED. Research Ideas and Outcomes 9:e96744.
10.3897/rio.9.e96744 |
 Wingfield MJ, Marincowitz S, Pham NQ, Roets F, Paap T, Wingfield BD, Aylward J. (2022) Cypress Canker: An important disease discovered for the first time on a native South African tree. Plant Pathology 71:1735-1742.
10.1111/ppa.13614 |
| de Wit MP, Crookes DJ, Blignaut JN, de Beer ZW, Paap T, Roets F, van der Merwe C, van Wilgen BW, Richardson DM. (2022) An assessment of the potential economic impacts of the invasive Polyphagous Shot Hole Borer (Coleoptera: Curculionidae) in South Africa. Journal of Economic Entomology
10.1093/jee/toac061 |
| Balocchi F, Wingfield MJ, Paap T, Ahumada R, Barnes I. (2022) Pathogens of the Araucariaceae: How much do we know?. Current Forestry Reports 8:124–147.
10.1007/s40725-022-00164-z |
| Burgess TI, Oliva J, Sapsford SJ, Sakalidis ML, Balocchi F, Paap T. (2022) Anthropogenic disturbances and the emergence of native diseases: a threat to forest health. Current Forestry Reports 8:111–123.
10.1007/s40725-022-00163-0 |
| Franić I, Prospero S, Adamson K, Paap T, et al. (2022) Worldwide diversity of endophytic fungi and insects associated with dormant tree twigs. Scientific Data 9(62)
10.1038/s41597-022-01162-3 |
| Paap T, Wingfield MJ, Burgess TI, Wilson JRU, Richardson DM, Santini A. (2022) Invasion frameworks: a forest pathogen perspective. Current Forestry Reports
10.1007/s40725-021-00157-4 |
| Engelbrecht J, Duong TA, Paap T, Hulbert JM, Hanneman J, Van den Berg N. (2022) Population genetic analyses of Phytophthora cinnamomi reveals three lineages and movement between natural vegetation and avocado orchards in South Africa.
10.1094/PHYTO-10-21-0414-R |
| Van Rooyen E, Paap T, De Beer ZW, Townsend G, Fell S, Nel WJ, Morgan S, Hill M, Roets F. (2021) The polyphagous shot hole borer beetle: Current status of a perfect invader in South Africa. South African Journal of Science 117(11/12)
10.17159/sajs.2021/9736 |
| Bose Tanay, Hulbert JM, Burgess Treena I, Paap T, Roets F, Wingfield MJ. (2021) Two novel Phytophthora species from the southern tip of Africa. 20:755-767.
10.1007/s11557-021-01702-y |
| Wondafrash M, Wingfield MJ, Wilson JRU, Hurley BP, Slippers B, Paap T. (2021) Botanical gardens as key resources and hazards for biosecurity. Biodiversity and Conservation
10.1007/s10531-021-02180-0 |
| Sapsford SJ, Paap T, Hardy GEStJ, Burgess TI. (2021) Anthropogenic Disturbance Impacts Mycorrhizal Communities and Abiotic Soil Properties: Implications for an Endemic Forest Disease. Frontiers in Forests and Global Change 3:593243.
10.3389/ffgc.2020.593243 |
| Paap T, Wingfield MJ, de Beer ZW, Roets F. (2020) Lessons from a major pest invasion: The polyphagous shot hole borer in South Africa. South African Journal of Science 116(11/12)
10.17159/sajs.2020/8757 |
| Burgess TI, López-Villamor A, Paap T, Williams B, Belhaj R, Crone M, Dunstan W, Howard K, Hardy GEStJ. (2020) Towards a best practice methodology for the detection of Phytophthora species in soils. Plant Pathology
10.1111/ppa.13312 |
| Paap T, Wingfield MJ, Burgess TI, Hulbert JM, Santini A. (2020) Harmonising the fields of invasion science and forest pathology. NeoBiota 62:301-332.
10.3897/neobiota.62.52991 |
| Sapsford SJ, Paap T, Hopkins AJM, Hardy GESJ, Burgess TI. (2019) Habitat fragmentation in a Mediterranean-type forest alters resident and propagule mycorrhizal fungal communities. Pedobiologia :150611.
10.1016/j.pedobi.2019.150611 |
| Ahrens CW, Mazanec RA, Paap T, Ruthrof KX, Challis A, Hardy G, Byrne M, Tissue DT, Rymer PD. (2019) Adaptive variation for growth and resistance to a novel pathogen along climatic gradients in a foundation tree. Evolutionary Applications
10.1111/eva.12796 |
| Hulbert JM, Paap T, Burgess TI, Roets F, Wingfield MJ. (2019) Botanical gardens provide valuable baseline Phytophthora diversity data. Urban Forestry & Urban Greening 46:126461.
10.1016/j.ufug.2019.126461 |
| Paap T, Burgess TI, Rolo V, Steel E, Hardy GESJ. (2018) Anthropogenic disturbance impacts stand structure and susceptibility of an iconic tree species to an endemic canker pathogen. Forest Ecology and Management 425:145-153.
10.1016/j.foreco.2018.05.055 |
| Paap T, de Beer ZW, Migliorini D, Nel W, Wingfield MJ. (2018) The polyphagous shot hole borer (PSHB) and its fungal symbiont Fusarium euwallaceae: a new invasion in South Africa. Australasian Plant Pathology 47(2):231-237.
10.1007/s13313-018-0545-0 |
| Croeser L, Paap T, Calver MC, Andrew ME, Hardy GEStJ, Burgess TI. (2018) Field survey, isolation, identification and pathogenicity of Phytophthora species associated with a Mediterranean-type tree species . Forest Pathology
10.1111/efp.12424 |
| Simamora AV, Paap T, Howard K, Stukely MJC, Hardy GEStJ, Burgess TI. (2017) Phytophthora Contamination in a Nursery and Its Potential Dispersal into the Natural Environment. Plant Disease
10.1094/PDIS-05-17-0689-RE |
| Paap T, Burgess TI, Wingfield MJ. (2017) Urban trees: bridge-heads for forest pest invasions and sentinels for early detection. Biological Invasions 19(12):3515-3526.
10.1007/s10530-017-1595-x |
| Paap T, Brouwers NC, Burgess TI, Hardy GEStJ. (2017) Importance of climate, anthropogenic disturbance and pathogens (Quambalaria coyrecup and Phytophthora spp.) on marri (Corymbia calophylla) tree health in southwest Western Australia. Annals of Forest Science 74(3):62-71.
10.1007/s13595-017-0658-6 |
| Sapsford SJ, Paap T, Hardy GEStJ, Burgess TI. (2017) The 'chicken or the egg': which comes first, forest tree decline or loss of mycorrhizae?. Plant Ecology
10.1007/s11258-017-0754-6 |
| Paap T, Croeser L, White D, Aghighi S, Barber P, Hardy GEStJ, Burgess TI. (2017) Phytophthora versiformis sp. nov., a new species from Australia related to P. quercina. Australasian Plant Pathology
10.1007/s13313-017-0499-7 |
| Burgess T, White D, McDougall K, Garnas J, Dunstan W, Català S, Carnegie A, Worboys S, Cahill D, Vettraino AM, Stukely M, Liew E, Paap T, Bose T, Migliorini D, Williams B, Brigg F, Crane C, Rudman T, Hardy G. (2017) Phytophthora distribution and diversity across Australia. Pacific Conservation Biology 23(1-13)
10.1071/PC16032 |
| Paap T, Burgess TI, Calver M, McComb JA, Shearer BL, Hardy GES. (2016) A thirteen-year study on the impact of a severe canker disease of Corymbia calophylla, a keystone tree in Mediterranean-type forests. Forest Pathology
10.1111/efp.12292 |
| Stasikowski PM, McComb JA, Scott P, Paap T, O’Brien PA, Hardy GESJ. (2014) Calcium sulphate soil treatments augment the survival of phosphite-sprayed Banksia leptophylla infected with Phytophthora cinnamomi. Australasian Plant Pathology 43(4):369-379.
10.1007/s13313-014-0303-x |
| Barber PA, Paap T, Burgess TI, Dunstan W, Hardy GESJ. (2013) A diverse range of Phytophthora species are associated with dying urban trees. Urban Forestry & Urban Greening 12(4):569-575.
10.1016/j.ufug.2013.07.009 |
| Jung T, Stukely MJC, Hardy G, White D, Paap T, Dunstan WA, Burgess TI. (2011) Multiple new Phytophthora species from ITS Clade 6 associated with natural ecosystems in Australia: evolutionary and ecological implications. Persoonia 26:13-39.
10.3767/003158511X557577 |
| Dunstan WA, Rudman T, Shearer BL, Moore NA, Paap T, Calver MC, Dell B, Hardy GESJ. (2010) Containment and spot eradication of a highly destructive, invasive plant pathogen (Phytophthora cinnamomi) in natural ecosystems. Biological Invasions 12(4):913-925.
10.1007/s10530-009-9512-6 |
| Paap T, Burgess TI, McComb JA, Shearer BL, Hardy GESJ. (2008) Quambalaria species, including Q. coyrecup sp. nov., implicated in canker and shoot blight diseases causing decline of Corymbia species in the southwest of Western Australia. Mycological Research 112(1):57-69.
10.1016/j.mycres.2007.10.005 |
My News and Views Articles
Export to RIS
| Publication |
|---|
| Paap T. (2020) Trees in South Africa are under attack. Why it’s proving hard to manage. The Conversation
http://bit.ly/2twjJ3e |
| De Beer ZW, Paap T. (2018) The spread of shothole borer beetles in South Africa is proving tough to control. The Conversation
https://bit.ly/2Dl46ia |