Browsing by UP Author "Wingfield, Michael J."

Browsing by UP Author "Wingfield, Michael J."

Sort by: Order: Results:

  • Pseudocercospora mapelanensis sp. nov., associated with a fruit and leaf disease of Barringtonia racemosa in South Africa 
    Osorio, J. Alexander; Wingfield, Michael J.; De Beer, Z. Wilhelm; Roux, Jolanda (Springer, 2015-05)
    Barringtonia racemosa (Lecythidaceae) is a widely distributed mangrove associate in coastal areas of Africa, Asia and Australia. During routine disease surveys along the east coast of the KwaZulu-Natal Province in South ...
  • Puccinia psidii infecting cultivated Eucalyptus and native myrtaceae in Uruguay 
    Perez, Carlos A.; Wingfield, Michael J.; Altier, Nora A.; Simeto, Sofia; Blanchette, Robert A. (Springer, 2011)
    Eucalyptus or guava rust caused by Puccinia psidii is a serious disease of Eucalyptus and other Myrtaceae. In Uruguay, it has been previously found on Eucalyptus globulus and Psidium brasiliensis. Almost nothing is known ...
  • QTL mapping of mycelial growth and aggressiveness to distinct hosts in Ceratocystis pathogens 
    Fourie, Arista; Van der Nest, Magrieta Aletta; De Vos, Lieschen; Wingfield, Michael J.; Wingfield, Brenda D.; Barnes, Irene (Elsevier, 2019-10)
    Some species of Ceratocystis display strong host specificity, such as C. fimbriata sensu stricto that is restricted to sweet potato (Ipomoea batatas) as host. In contrast, the closely related C. manginecans, infects Acacia ...
  • Quambalaria eucalypti found on Eucalyptus in Indonesia 
    Tarigan, Marthin; Wingfield, Michael J.; Marpaung, Yosep M.A.N.; Duran, Alvaro; Pham, N.Q. (Wiley, 2023-10)
    The Eucalyptus plantation industry in Indonesia has expanded rapidly during the last few decades. During routine nursery disease surveys, symptoms of a leaf and shoot blight disease were detected on Eucalyptus mother plants. ...
  • Quambalaria species associated with eucalypt diseases in southern China 
    Chen, ShuaiFei; Liu, QianLi; Li, Guoqing; Wingfield, Michael J. (Higher Education Press, 2017)
    The genus Quambalaria includes several important pathogens of species of Eucalyptus and Corymbia, mainly causing leaf and shoot blight. Recently, extensive shoot and leaf dieback and stem cankers suspected to be ...
  • Quambalaria species associated with plantation and native eucalypts in Australia 
    Pegg, Geoffrey S.; O'Dwyer, Cecilia; Carnegie, Angus J.; Burgess, Treena I.; Wingfield, Michael J.; Drenth, Andre (Blackwell, 2008)
    This study aimed to determine which species of Quambalaria are associated with shoot blight symptoms on Corymbia spp. An additional aim was to determine the presence and impact of quambalaria shoot blight on Eucalyptus ...
  • Quantification of outcrossing events in haploid fungi using microsatellite markers 
    Lee, Dong Hyeon; Wingfield, Brenda D.; Roux, Jolanda; Wingfield, Michael J. (MDPI, 2020-04)
    Species in genera of the fungal family Ceratocystidaceae are known to have different mating strategies, including heterothallism and homothallism. Of these, species of Ceratocystis, typified by the pathogen Ceratocystis ...
  • Ralstonia solanacearum and r. Pseudosolanacearum on eucalyptus : opportunists or primary pathogens? 
    Coutinho, Teresa A.; Wingfield, Michael J. (Frontiers Research Foundation, 2017-05-11)
    Ralstonia solanacearum and R. pseudosolanacearum are well known primary pathogens of herbaceous crops. Reports of wilt caused by these pathogens in tree species are limited other than on Eucalyptus species. Despite the ...
  • Ras2 is important for growth and pathogenicity in Fusarium circinatum 
    Phasha, Mmatshepho Malekgale; Wingfield, Michael J.; Wingfield, Brenda D.; Coetzee, Martin Petrus Albertus; Hallen-Adams, H.; Fru, Felix Fon; Swalarsk-Parry, Benedicta S.; Yilmaz, Neriman; Duong, Tuan A.; Steenkamp, Emma Theodora (Elsevier, 2021-05)
    In this study, we investigated to possible role of Ras2 in Fusarium circinatum- a fungus that causes pine pitch canker disease on many different pine species and has a wide geographic distribution. This protein is encoded ...
  • Re-evaluation of Cryptosporiopsis eucalypti and Cryptosporiopsis-like species occurring on Eucalyptus leaves 
    Cheewangkoon, R.; Groenewald, Johannes Zacharias; Verkley, G.J.M.; Hyde, Kevin D.; Wingfield, Michael J.; Gryzenhout, Marieka; Summerell, Brett A.; Denman, Sandra; Toanun, C.; Crous, Pedro W. (Springer, 2010-10)
    Cryptosporiopsis eucalypti is a common follicolous pathogen of Eucalyptus species in tropical and temperate regions where these trees are grown in plantations. The taxonomy of C. eucalypti is confused by the fact that it ...
  • Reconsideration of species boundaries and proposed DNA barcodes for Calonectria 
    Liu, QianLi; Li, JieQiong; Wingfield, Michael J.; Duong, Tuan A.; Wingfield, Brenda D.; Crous, Pedro W.; Chen, S.F. (Fungal Biodiversity Centre (CBS), 2020-09)
    Calonectria represents a genus of phytopathogenic ascomycetous fungi with a worldwide distribution. In recent years, there has been an increase in the number of taxonomic studies on these fungi. Currently, there are 169 ...
  • Reconsidering species boundaries in the Ceratocystis paradoxa complex, including a new species from oil palm and cacao in Cameroon 
    Mbenoum, Michael; De Beer, Z. Wilhelm; Wingfield, Michael J.; Wingfield, Brenda D.; Roux, Jolanda (Mycological Society of America, 2014)
    The Ceratocystis paradoxa complex accommodates a group of fungal pathogens that have become specialized to infect mostly monocotyledonous plants. Four species currently are recognized in this group, including C. paradoxa, ...
  • Redefining Ceratocystis and allied genera 
    De Beer, Z. Wilhelm; Doung, T.A.; Barnes, Irene; Wingfield, Brenda D.; Wingfield, Michael J. (Fungal Biodiversity Centre (CBS), 2014-11-07)
    The genus Ceratocystis was established in 1890 and accommodates many important fungi. These include serious plant pathogens, significant insect symbionts and agents of timber degradation that result in substantial economic ...
  • Residual effects caused by a past mycovirus Infection in Fusarium circinatum 
    Zamora-Ballesteros, Cristina; Wingfield, Brenda D.; Wingfield, Michael J.; Martin-Garcia, Jorge; Diez, Julio J. (MDPI, 2021-01)
    Mycoviruses are known to be difficult to cure in fungi but their spontaneous loss occurs commonly. The unexpected disappearance of mycoviruses can be explained by diverse reasons, from methodological procedures to ...
  • Retention of post-harvest residues enhances soil fungal biodiversity in Eucalyptus plantations 
    Bose, Tanay; Vivas, Maria; Slippers, Bernard; Roux, Jolanda; Kemler, Martin; Begerow, Dominik; Witfeld, Frederick; Brachmann, Andreas; Dovey, Steven; Wingfield, Michael J. (Elsevier, 2023-03)
    Plantation forests have the potential to meet global economic and ecological objectives. The sustainability of plantations is influenced by a variety of above- and below-ground factors. Among these factors are soil-associated ...
  • A review of factors associated with decline and death of mangroves, with particular reference to fungal pathogens 
    Osorio, J. Alexander; Wingfield, Michael J.; Roux, Jolanda (Elsevier, 2016-03)
    Mangrove species growin bays and estuaries in tropical and subtropical latitudes.Mangrove systems are categorized as highly productive, providing crucial environmental functions. Their stability and survival are, ...
  • The role of phytopathogenicity in bark beetle-fungus symbioses : a challenge to the classic paradigm 
    Six, Diana L.; Wingfield, Michael J. (Annual Reviews, 2011-01)
    The idea that phytopathogenic fungi associated with tree-killing bark beetles are critical for overwhelming tree defenses and incurring host tree mortality, herein called the classic paradigm (CP), has driven research on ...
  • Rust (Puccinia psidii) recorded in Indonesia poses a threat to forests and forestry in South-East Asia 
    McTaggart, Alistair R.; Roux, Jolanda; Granados, Ginna Marcela; Gafur, Abdul; Tarrigan, Marthin; Santhakumar, P.; Wingfield, Michael J. (Springer, 2016-02)
    Over the past decade, Puccinia psidii, which causes rust on species of Myrtaceae, has spread rapidly to new areas and is now widespread. Quarantine has done little to prevent its movement through the Americas, the ...
  • Sampling and detection strategies for the pine pitch canker (PPC) disease pathogen Fusarium circinatum in Europe 
    Vainio, Eeva J.; Bezos, Diana; Bragança, Helena; Cleary, Michelle; Gerda Fourie; Georgieva, Margarita; Ghelardini, Luisa; Hannunen, Salla; Ioos, Renaud; Martín-García, Jorge; Martinez-Alvarez, Pablo; Mullett, Martin S.; Oszako, Tomasz; Papazova-Anakieva, Irena; Piskur, Barbara; Romeralo, Carmen; Sanz-Ros, Antonio V.; Steenkamp, Emma Theodora; Tubby, Katherine; Wingfield, Michael J.; Diez, Julio J. (MDPI Publishing, 2019-09)
    Fusarium circinatum Nirenberg & O’Donnel is listed among the species recommended for regulation as quarantine pests in Europe. Over 60 Pinus species are susceptible to the pathogen and it also causes disease on Douglas-fir ...
  • Saprophytic and pathogenic fungi in the Ceratocystidaceae differ in their ability to metabolize plant-derived sucrose 
    Van der Nest, Magrieta Aletta; Steenkamp, Emma Theodora; McTaggart, Alistair R.; Trollip, Conrad; Godlonton, T.; Sauerman, E.; Roodt, Danielle; Naidoo, Kershney; Coetzee, Martin Petrus Albertus; Wilken, Pieter Markus; Wingfield, Michael J.; Wingfield, Brenda D. (BioMed Central, 2015-12-07)
    BACKGROUND : Proteins in the Glycoside Hydrolase family 32 (GH32) are carbohydrate-active enzymes known as invertases that hydrolyse the glycosidic bonds of complex saccharides. Fungi rely on these enzymes to gain access ...