Browsing Research Articles (Forestry and Agricultural Biotechnology Institute (FABI)) by Issue Date

Browsing Research Articles (Forestry and Agricultural Biotechnology Institute (FABI)) by Issue Date

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  • New host and country records of the Dothistroma needle blight pathogens from Europe and Asia 
    Barnes, Irene; Kirisits, Thomas; Akulov, A.; Chhetri, D.B.; Wingfield, Brenda D.; Bulgakov, T.S.; Wingfield, Michael J. (Blackwell, 2008-06)
    Dothistroma needle blight (DNB) is a serious disease of pines (Pinus spp.), with a worldwide distribution. It is caused by the ascomycete fungi Dothistroma septosporum (teleomorph: Mycosphaerella pini) and Dothistroma pini ...
  • Exo-β-1,3-glucanase from yeast inhibits Colletotrichum lupini and Botrytis cinerea spore germination 
    Oelofse, Dean; Dubery, Ian A.; Berger, David Kenneth (Blackwell, 2009)
    Yeast exo-β-1,3-glucanase (EXG1) was evaluated as an inhibitory agent of Colletotrichum lupini and Botrytis cinerea. Extracts obtained from yeast transformed with the exg1 gene, expressing high levels of EXG1 activity, or ...
  • Co-occurring species of Teratosphaeria on Eucalyptus 
    Crous, Pedro W.; Groenewald, Johannes Zacharias; Summerell, Brett A.; Wingfield, Brenda D.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    A common leaf spot disease occurring on Eucalyptus cladocalyx and E. lehmannii in the Western Cape Province of South Africa is known from literature to be caused by the fungus Coniothyrium ovatum, which is a pathogen native ...
  • Niche sharing reflects a poorly understood biodiversity 
    Crous, Pedro W.; Wingfield, Michael J.; Groenewald, Johannes Zacharias (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    Eucalyptus spp. are susceptible to a large number of foliar pathogens, some of which can cause serious defoliation and die-back. In this study, a single leaf spot on a Eucalyptus leaf collected in Madagascar revealed an ...
  • Phylogeny and taxonomy of obscure genera of microfungi 
    Crous, Pedro W.; Braun, Uwe; Wingfield, Michael J.; Wood, A.R.; Shin, H.D.; Summerell, Brett A.; Alfenas, A.C.; Cumagun, C.J.R.; Groenewald, Johannes Zacharias (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    The recently generated molecular phylogeny for the kingdom Fungi, on which a new classification scheme is based, still suffers from an under representation of numerous apparently asexual genera of microfungi. In an attempt ...
  • Recent occurrence of Fusarium oxysporum f.sp. cubense tropical race 4 in Asia 
    Molina, A.B.; Fabregar, E.; Sinohin, V.G.; Yi, G.; Viljoen, Altus (International Society for Horticultural Science, 2009)
    Fusarium wilt, caused by Fusarium oxysporum f. sp. cubense (Foc), is an important disease of banana in almost all banana-producing countries of the world. The recent occurrence of a highly virulent form of Foc in Asia, ...
  • A class-wide phylogenetic assessment of Dothideomycetes 
    Schoch, C.L.; Crous, Pedro W.; Groenewald, Johannes Zacharias; Boehm, E.W.A.; Burgess, Treena I.; De Gruyter, J.; De Hoog, G. Sybren; Dixon, L.J.; Grube, M.; Gueidan, C.; Harada, Y.; Hatakeyama, S.; Hirayama, K.; Hosoya, T.; Huhndorf, S.M.; Hyde, Kevin D.; Jones, E.B.G.; Kohlmeyer, J.; Kruys, A.; Li, Y.M.; Lucking, R.; Lumbsch, H. Thorsten; Marvanova, L.; Mbatchou, J.S.; McVay, A.H.; Miller, A.N.; Mugambi, G.K.; Muggia, L.; Nelsen, M.P.; Nelson, P.; Owensby, C.A.; Phillips, A.J.L.; Phongpaichit, S.; Pointing, Stephen B.; Pujade-Renaud, V.; Raja, H.A.; Rivas Plata, E.; Robbertse, Barbara; Ruibal, C.; Sakayaroj, J.; Sano, T.; Selbmann, L.; Shearer, C.A.; Shirouzu, T.; Slippers, Bernard; Suetrong, S.; Tanaka, K.; Volkmannkohlmeyer, B.; Wingfield, Michael J.; Wood, A.R.; Woudenberg, J.H.C.; Yonezawa, H.; Zhang, Yong; Spatafora, J.W. (Cbs Publications / Centraalbureau voor Schimmelcultures, 2009)
    We present a comprehensive phylogeny derived from 5 genes, nucSSU, nucLSU rDNA, TEF1, RPB1 and RPB2, for 356 isolates and 41 families (six newly described in this volume) in Dothideomycetes. All currently accepted orders ...
  • Ophiostoma denticiliatum sp. nov. and other Ophiostoma species associated with the birch bark beetle in southern Norway 
    Linnakoski, Riikka; De Beer, Z. Wilhelm; Rousi, M.; Solheim, Halvor; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    Ophiostomatoid fungi were isolated from Scolytus ratzeburgi infesting Betula pendula and B. pubescens in Norway. Fungi were identified based on morphology, DNA sequence comparison for two gene regions and phylogenetic ...
  • Susceptibility of South African native conifers to the pitch canker pathogen, Fusarium circinatum 
    Porter, B.; Wingfield, Michael J.; Coutinho, Teresa A. (Elsevier, 2009)
    Fusarium circinatum is an economically important pathogen of Pinus species, which also occurs on Douglas fir (Pseudotsuga menzeisii). It causes pitch canker of mature trees and root and collar rot of seedlings and cuttings. ...
  • Phylogenomic analyses predict sistergroup relationship of nucleariids and Fungi and paraphyly of zygomycetes with significant support 
    Liu, Yu; Steenkamp, Emma Theodora; Brinkmann, Henner; Forget, Lise; Philippe, Herve; Lang, Franz B. (BioMed Central, 2009)
    BACKGROUND: Resolving the evolutionary relationships among Fungi remains challenging because of their highly variable evolutionary rates, and lack of a close phylogenetic outgroup. Nucleariida, an enigmatic group of ...
  • Mite-mediated hyperphoretic dispersal of Ophiostoma spp. from the Infructescences of South African Protea spp. 
    Roets, Francois; Crous, Pedro W.; Wingfield, Michael J.; Dreyer, L.L. (Leanne Laurette) (Entomological Society of America, 2009)
    Ophiostomatoid fungi are well known as economically important pathogens and agents of timber degradation. A unique assemblage of these arthropod-associated organisms including species of Gondwanamyces G. J. Marais and M. ...
  • Calonectria (Cylindrocladium) species associated with dying Pinus cuttings 
    Lombard, Lorenzo; Rodas Pelaez, C.A. (Carlos Alberto); Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    Calonectria (Ca.) species and their Cylindrocladium (Cy.) anamorphs are well-known pathogens of forest nursery plants in subtropical and tropical areas of the world. An investigation of the mortality of rooted Pinus cuttings ...
  • Insect associates of Ceratocystis albifundus and patterns of association in a native savanna ecosystem in South Africa 
    Heath, R.N. (Ronald Natale); Wingfield, Michael J.; Van Wyk, Marelize; Roux, Jolanda (Entomological Society of America, 2009)
    Species of Ceratocystis Ellis and Halstead s.l. include important plant pathogens such as C. albifundus Morris, De Beer, and M. J. Wingfield that causes a serious wilt disease of non-native, plantation-grown Acacia mearnsii ...
  • Ceratocystis larium sp. nov., a new species from Styrax benzoin wounds associated with incense harvesting in Indonesia 
    Van Wyk, Marelize; Wingfield, Brenda D.; Clegg, P.A.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009)
    Styrax benzoin trees, native to the island Sumatra, Indonesia are wounded to produce resin that is collected and burned as incense. These wounds on trees commonly develop into expanding cankers that lead to tree death. The ...
  • Factors affecting pine pitch canker modelled on Michaelis–Menten kinetics 
    Hammerbacher, Almuth; Wright, Louwrance Peter; Wingfield, Brenda D.; Wingfield, Michael J.; Coutinho, Teresa A. (NRC Research Press, 2009)
    Fusarium circinatum Nirenberg and O’Donnell is an important pathogen of pine seedlings and cuttings in South Africa. The fungus causes plant death in nurseries, as well as during establishment of pine plantations. The aim ...
  • A review of geographical distribution of marama bean [Tylosema esculentum (Bruchell) Schreiber] and genetic diversity in the Namibian germplasm 
    Nepolo, E.; Takundwa, M.; Chimwamurombe, P.M. (Percy Maruwa); Cullis, C.A. (Christoper Ashley); Kunert, Karl J. (Academic Journals, 2009-05)
    Marama bean [Tylosema esculentum (Burchell) Schreiber] occurs naturally in the drier areas of Southern Africa, including Botswana and Namibia. The implementation of molecular breeding is important to advance the process ...
  • Unravelling Mycosphaerella : do you believe in genera? 
    Crous, Pedro W.; Summerell, Brett A.; Carnegie, Angus J.; Wingfield, Michael J.; Hunter, Gavin Craig; Burgess, Treena I.; Andjic, Vera; Barber, Paul A.; Groenewald, Johannes Zacharias (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2009-10)
    Many fungal genera have been defined based on single characters considered to be informative at the generic level. In addition, many unrelated taxa have been aggregated in genera because they shared apparently similar ...
  • Ophiostomatoid fungi associated with the invasive pine-infesting bark beetle, Dendroctonus valens, in China 
    Min, Lu; Zhou, Xudong; De Beer, Z. Wilhelm; Wingfield, Michael J.; Sun, Jiang-Hua (Kunming University of Science and Technology, P.R. China, 2009-10)
    Bark beetles (Coleoptera: Scolytinae) are common vectors of ophiostomatoid fungi, including several primary tree pathogens as well as important agents of sapstain. Dendroctonus valens, considered a secondary bark beetle ...
  • Genetic diversity in the Eucalyptus stem pathogen Teratosphaeria zuluensis 
    Cortinas, Maria-Noel; Barnes, Irene; Wingfield, Michael J.; Wingfield, Brenda D. (CSIRO, 2010)
    Coniothyrium canker caused by the fungal pathogen Teratosphaeria (= Coniothyrium) zuluensis is one of the most important diseases affecting plantation-grown Eucalyptus trees. Little is known regarding the pathogen and this ...
  • DNA bar-coding reveals source and patterns of Thaumastocoris peregrinus invasions in South Africa and South America 
    Nadel, Ryan Leslie; Slippers, Bernard; Scholes, Mary C.; Lawson, Simon A.; Noack, A.E.; Wilcken, C.F.; Bouvet, J.P.; Wingfield, Michael J. (Springer, 2010)
    Thaumastocoris peregrinus is a recently introduced invertebrate pest of non-native Eucalyptus plantations in the Southern Hemisphere. It was first reported from South Africa in 2003 and in Argentina in 2005. Since then, ...