Browsing by UP Author "Paap, Trudy"

Browsing by UP Author "Paap, Trudy"

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  • Adaptive variation for growth and resistance to a novel pathogen along climatic gradients in a foundation tree 
    Ahrens, Collin W.; Mazanec, Richard A.; Paap, Trudy; Ruthrof, Katinka X.; Challis, Anthea; Hardy, Giles E. St. J.; Byrne, Margaret; Tissue, David T.; Rymer, Paul D. (Wiley Open Access, 2019-07)
    Natural ecosystems are under pressure from increasing abiotic and biotic stressors, including climate change and novel pathogens, which are putting species at risk of local extinction, and altering community structure, ...
  • Anthropogenic disturbance impacts mycorrhizal communities and abiotic soil properties : implications for an endemic forest disease 
    Sapsford, Sarah J.; Paap, Trudy; Hardy, Giles E. St. J.; Burgess, Treena I. (MDPI, 2021-01-29)
    In forest ecosystems, habitat fragmentation negatively impacts stand structure and biodiversity; the resulting fragmented patches of forest have distinct, disturbed edge habitats that experience different environmental ...
  • Anthropogenic disturbance impacts stand structure and susceptibility of an iconic tree species to an endemic canker pathogen 
    Paap, Trudy; Burgess, Treena I.; Rolo, Victor; Steel, Emma; Hardy, Giles E. St. J. (Elsevier, 2018-10)
    Forest ecosystems characterised by higher tree species diversity have been linked to a reduced susceptibility to pathogens. Conversely, endemic pathogens contribute to forest ecosystem dynamics and process. In the face of ...
  • Anthropogenic disturbances and the dmergence of native diseases : a threat to forest health 
    Burgess, Treena, I.; Oliva, Jonas; Sapsford, Sarah J.; Sakalidis, Monique L.; Balocchi, Felipe; Paap, Trudy (Springer, 2022-06)
    PURPOSE OF REVIEW : Human-caused global change is fundamentally altering natural forest ecosystems. More trees are exhibiting a wide range of symptoms indicative of poor vigour, particularly stressed species at the edge ...
  • An assessment of the potential economic impacts of the invasive polyphagous shot hole borer (Coleoptera: Curculionidae) in South Africa 
    De Wit, M.P.; Crookes, D.J.; Blignaut, J.N.; De Beer, Z. Wilhelm; Paap, Trudy; Roets, Francois; Van der Merwe, Cassandre; Van Wilgen, Brian W.; Richardson, David M. (Oxford University Press, 2022-08)
    Studies addressing the economic impacts of invasive alien species are biased towards ex-post assessments of the costs and benefits of control options, but ex-ante assessments are also required to deal with potentially ...
  • Botanical gardens as key resources and hazards for biosecurity 
    Wondafrash, Mesfin; Wingfield, Michael J.; Wilson, John R.U.; Hurley, Brett Phillip; Slippers, Bernard; Paap, Trudy (Springer, 2021-06)
    Biodiversity and economic losses resulting from invasive plant pests and pathogens are increasing globally. For these impacts and threats to be managed effectively, appropriate methods of surveillance, detection and ...
  • Botanical gardens provide valuable baseline Phytophthora diversity data 
    Hulbert, J.M. (Joey); Paap, Trudy; Burgess, Treena I.; Roets, Francois; Wingfield, Michael J. (Elsevier, 2019-12)
    Phytophthora species are important plant pathogens especially due to their ability to invade and change ecosystems. However, information regarding their diversity and distribution is not available in many parts of the ...
  • Chemical control of the polyphagous shot hole borer beetle (PSHB, Euwallacea fornicatus) and Fusarium euwallaceae in American sweetgum (Liquidambar styraciflua) 
    Roberts, Elise; Paap, Trudy; Roets, Francois (Springer, 2024-05)
    The polyphagous shot hole borer beetle (PSHB, Euwallacea fornicatus) is a pest of global significance. PSHB is an ambrosia beetle which, together with its mutualistic fungi (including Fusarium euwallaceae), can cause the ...
  • Climate, host and geography shape insect and fungal communities of trees 
    Franic, Iva; Allan, Eric; Prospero, Simone; Adamson, Kalev; Attorre, Fabio; Auger‑Rozenberg, Marie‑Anne; Augustin, Sylvie; Avtzis, Dimitrios; Baert, Wim; Barta, Marek; Bauters, Kenneth; Bellahirech, Amani; Boron, Piotr; Braganca, Helena; Brestovanská, Tereza; Brurberg, May Bente; Burgess, Treena; Burokiene, Daiva; Cleary, Michelle; Corley, Juan C.; Coyle, David R .; Csoka, Gyorgy; Cerny, Karel; Davydenko, Kateryna; De Groot, Maarten; Diez, Julio J.; Lehtijärvi, H. Tugba Dogmus; Drenkhan, Rein; Edwards, Jacqueline; Elsafy, Mohammed; Eotvos, Csaba Bela; Falko, Roman; Fan, Jianting; Feddern, Nina; Fürjes‑Mikó, Ágnes; Gossner, Martin M.; Grad, Bartłomiej; Hartmann, Martin; Havrdova, Ludmila; Horakova, Miriam Kadasi; Hrabetova, Marketa; Justesen, Mathias Just; Kacprzyk, Magdalena; Kenis, Marc; Kirichenko, Natalia; Kovac, Marta; Kramarets, Volodymyr; Lackovic, Nikola; Lantschner, M. Victoria; Lazarevic, Jelena; Leskiv, Marianna; Li, Hongmei; Madsen, Corrie Lynne; Malumphy, Chris; Matošević, Dinka; Matsiakh, Iryna; May, Tom W.; Mefert, Johan; Migliorini, Duccio; Nikolov, Christo; O’Hanlon, Richard; Oskay, Funda; Paap, Trudy; Parpan, Taras; Piskur, Barbara; Ravn, Hans P eter; Richard, John; Ronse, Anne; Roques, Alain; Rufner, Beat; Santini, Alberto; Sivickis, Karolis; Soliani, Carolina; Talgø, Venche; Tomoshevich, Maria; Uimari, Anne; Ulyshen, Michael; Vettraino, Anna Maria; Villari, Caterina; Wang, Yongjun; Witzell, Johanna; Zlatković, Milica; Eschen, René (Nature Research, 2023-07)
    Non-native pests, climate change, and their interactions are likely to alter relationships between trees and tree-associated organisms with consequences for forest health. To understand and predict such changes, factors ...
  • A critically endangered Proteaceae in the Cape florisitic region threatened by an invasive pathogen 
    Paap, Trudy; Nndanduleni, Mashudu; Wingfield, Michael J. (South African National Biodiversity Institute, 2023-03-29)
    BACKGROUND : Sorocephalus imbricatus (Thunb.) R.Br. is a range-restricted species endemic to the Cape Floristic Region (CFR), South Africa. It is currently classified as Critically Endangered in accordance with the IUCN ...
  • Cypress canker : an important disease discovered for the first time on a native South African tree 
    Wingfield, Michael J.; Marincowitz, Seonju; Pham, Nam Q.; Roets, Francois; Paap, Trudy; Wingfield, Brenda D.; Aylward, Janneke (Wiley, 2022-10)
    Cypress canker is a branch and stem canker disease of Cupressaceae trees, particularly those in the genera Cupressus and Hesperocyparis. These trees have been planted in many parts of the world as ornamentals and the ...
  • Detection of Fusarium euwallaceae and its vector Euwallacea fornicatus on pear (Pyrus communis) and in deciduous fruit orchards in South Africa 
    Engelbrecht, Karyn; Raubenheimer, Inge; Paap, Trudy; Neethling, Emma; Roets, Francois (Springer, 2024-01)
    We present the first report of Fusarium euwallaceae and its ambrosia beetle vector Euwallacea fornicatus in deciduous fruit tree orchards in South Africa. Fusarium euwallaceae, is shown to be pathogenic to pear (Pyrus ...
  • A diverse range of Phytophthora species from botanical gardens in South Africa, including the novel Clade 5 species, Phytophthora mammiformis sp. nov. 
    Paap, Trudy; Balocchi, Felipe; Burgess, Treena I.; Bose, Tanay; Wingfield, Michael J. (Westerdijk Fungal Biodiversity Institute, 2024-06)
    The genus Phytophthora contains many destructive and globally important plant pathogens. In the last decade, targeted sampling efforts have resulted in a dramatic increase in the number of known species, as well as a ...
  • Habitat fragmentation in a Mediterranean-type forest alters resident and propagule mycorrhizal fungal communities 
    Sapsford, Sarah J.; Paap, Trudy; Hopkins, Anna J.M.; Hardy, Giles E.St.J.; Burgess, Treena I. (Elsevier, 2020-01)
    AIMS : Anthropogenic activities disturb forests and their associated mycorrhizal fungi. The combination of climate change and habitat fragmentation are linked to increased incidence of a canker disease in a Mediterranea ...
  • Harmonising the fields of invasion science and forest pathology 
    Paap, Trudy; Wingfield, Michael J.; Burgess, Treena I.; Hulbert, J.M. (Joey); Santini, Alberto (Pensoft Publishers, 2020-10-15)
    Invasive alien species are widely recognised as significant drivers of global environmental change, with far reaching ecological and socio-economic impacts. The trend of continuous increases in first records, with no ...
  • Invasion frameworks : a forest pathogen perspective 
    Paap, Trudy; Wingfield, Michael J.; Burgess, Treena I.; Wilson, John R.U.; Richardson, David M.; Santini, Alberto (Springer, 2022-03)
    PURPOSE OF REVIEW : Within the discipline of invasion science, researchers studying different taxonomic groups have developed distinct ways of investigating the phenomenon of biological invasions. While there have been ...
  • Lessons from a major pest invasion : the polyphagous shot hole borer in South Africa 
    Paap, Trudy; Wingfield, Michael J.; De Beer, Z. Wilhelm; Roets, Francois (AOSIS Open Journals, 2020-11-26)
    The arrival and establishment of invasive forest pests can cause devastating environmental damage and great economic impact. For example, the cost over the past decade of dealing with the arrival of a single invasive beetle ...
  • Myrtus communis in Europe threatened by the pandemic and South African strains of the myrtle rust pathogen Austropuccinia psidii (Sphaerophragmiaceae, Pucciniales) 
    Paap, Trudy; Santini, Alberto; Rodas, C.; Granados, Ginna Marcela; Pecori, Francesco; Wingfield, Michael J. (Pensoft Publishers, 2023-05-18)
    Austropuccinia psidii, the causal agent of myrtle rust, has emerged as a significant threat to Myrtaceae in planted and natural woody ecosystems. The first detection of A. puccinia in South Africa was from severely infected ...
  • A new genus and species of Cryphonectriaceae causing stem cankers on plantation eucalypts in South Africa 
    Suzuki, Hiroyuki; Marincowitz, Seonju; Roux, Jolanda; Paap, Trudy; Wingfield, Brenda D.; Wingfield, Michael J. (Wiley, 2024-06)
    Fungi in the Cryphonectriaceae are important canker pathogens of woody shrubs and trees in the Melastomataceae and Myrtaceae (Myrtales). During 2021 disease surveys in KwaZulu-Natal (South Africa) plantations, a serious ...
  • A novel species of Microsphaeropsis causing cankers on rafnia amplexicaulis in South Africa 
    Paap, Trudy; Marincowitz, Seonju; Pham, N.Q.; Roets, F.; Basson, R.J.; Wingfield, Brenda D.; Oberlander, K.C. (Kenneth); Wingfield, Michael J. (Westerdijk Fungal Biodiversity Institute, 2023-12)
    Cankers leading to branch, stem and plant death were observed on the South African endemic Rafnia amplexicaulis (Fabaceae) in the Cederberg Wilderness Area, South Africa, during September 2021. Conidiomatal pycnidia were ...