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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  • Ceratocystis fimbriatomima, a new species in the C. fimbriata sensu lato complex isolated from Eucalyptus trees in Venezuela 
    Van Wyk, Marelize; Wingfield, Brenda D.; Mohali, S.; Wingfield, Michael J. (Kunming University of Science and Technology, P.R. China, 2009-01)
    Species of Ceratocystis represent a group of important plant pathogens as well as saprobes that occur, primarily on woody substrates. The number of species in Ceratocystis has increased substantially in recent years, ...
  • Characterisation of Armillaria species based on pectic isozyme analyses 
    Coetzee, Martin Petrus Albertus; Maphosa, L.; Mwenje, E.; Wingfield, Michael J.; Wingfield, Brenda D. (Kunming University of Science and Technology, P.R. China, 2009-05)
    Armillaria spp. are the causal agents of Armillaria root rot on a wide variety of mainly woody plants. Identification of these fungi using morphological characteristics is complicated by the fact that fruiting structures ...
  • 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 ...
  • Species concepts in Calonectria (Cylindrocladium) 
    Lombard, Lorenzo; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Cbs Publications / Centraalbureau voor Schimmelcultures, 2010)
    Species of Calonectria and their Cylindrocladium anamorphs are important plant pathogens worldwide. At present 52 Cylindrocladium spp. and 37 Calonectria spp. are recognised based on sexual compatibility, morphology and ...
  • Biolistic mediated sorghum (sorghum bicolor L. Moench) transformation via mannose and bialaphos based selection systems 
    Grootboom, Andile W.; Mkhonza, N.L.; O'Kennedy, M.M.; Chakauya, E.; Kunert, Karl J.; Chikwamba, R.K. (Rachel Kerina) (Asian Network for Scientific Information, 2010)
    The efficiency of the bialophos (bar) and phosphomannose isomerase (pmi) selectable markers in microprojectile mediated transformation of P898012, a sorghum inbred line generally considered amenable to in vitro manipulation ...
  • 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, ...
  • The Eucalyptus canker pathogen Holocryphia eucalypti on Eucalyptus in New Zealand 
    Gryzenhout, Marieka; Vermeulen, Marcele; Dick, M.; Wingfield, Michael J. (CSIRO, 2010)
    Holocryphia eucalypti is an opportunistic canker pathogen of Eucalyptus and Corymbia spp. (Myrtaceae, Myrtales) in Australia and South Africa. It is also known in Australia on Tibouchina trees (Melastomataceae, Myrtales). ...
  • 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 ...
  • An efficient method to find potentially universal population genetic markers, applied to metazoans 
    Chenuil, Anne; Hoareau, Thierry B.; Egea, Emilie; Penant, Gwilherm; Aurelle, Didier; Mokhtar-Jamai, Kenza; Bishop, John D.D.; Boissin, Emilie; Diaz, Angie; Krakau, Manuela; Luttikhuizen, Pieternella C.; Patti, Francesco P.; Blavet, Nicolas; Mousset, Sylvain (BioMed Central, 2010)
    BACKROUND: Despite the impressive growth of sequence databases, the limited availability of nuclear markers that are sufficiently polymorphic for population genetics and phylogeography and applicable across various ...
  • Multigene phylogeny and mating tests reveal three cryptic species related to Calonectria pauciramosa 
    Lombard, Lorenzo; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Cbs Publications / Centraalbureau voor Schimmelcultures, 2010)
    Calonectria pauciramosa is a pathogen of numerous plant hosts worldwide. Recent studies have indicated that it included cryptic species, some of which are identified in this study. Isolates from various geographical origins ...
  • Phylogeny and systematics of the genus Calonectria 
    Lombard, Lorenzo; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Cbs Publications / Centraalbureau voor Schimmelcultures, 2010)
    Species of Calonectria are important plant pathogens, several of which have a worldwide distribution. Contemporary taxonomic studies on these fungi have chiefly relied on DNA sequence comparisons of the β-tubulin gene ...
  • Taxonomy of Armillaria in the Patagonian forests of Argentina 
    Pildain, Maria B.; Coetzee, Martin Petrus Albertus; Wingfield, Brenda D.; Wingfield, Michael J.; Rajchenberg, Mario (Mycological Society of America, 2010)
    The taxonomy of Armillaria in southern South America has received little attention since the work of Singer and others. In this study we examine the morphological traits and cultural features for taxa representing the ...
  • Three new Ceratocystis spp. in the Ceratocystis moniliformis complex from wounds on Acacia mangium and A. crassicarpa 
    Tarigan, Marthin; Van Wyk, Marelize; Roux, Jolanda; Tjahjono, Budi; Wingfield, Michael J. (Springer, 2010-01)
    The genus Ceratocystis includes many important tree pathogens and agents of sap stain. These fungi have a global distribution and commonly infect wounds on trees. During a survey of wound-infecting pathogens in the genus ...
  • Genetic analysis among selected vernonia lines through seed oil content, fatty acids and RAPD DNA markers 
    Ramalema, S.P.; Shimelis, H.; Ncube, I.; Kunert, Karl J.; Mashela, Phatu W. (Academic Journals, 2010-01)
    Vernonia (Vernonia galamensis) is a new potential industrial oilseed crop. The seeds of this crop contain unusual naturally epoxidised fatty acids which are used in the production of various industrial products. The ...
  • Calonectria species associated with cutting rot of Eucalyptus 
    Lombard, Lorenzo; Zhou, Xudong; Crous, Pedro W.; Wingfield, Brenda D.; Wingfield, Michael J. (Nationaal Herbarium Nederland & Centraalbureau voor Schimmelcultures, 2010-01)
    Decline in the productivity of Eucalyptus hybrid cutting production in the Guangdong Province of China is linked to cutting rot associated with several Calonectria spp. The aim of this study was to identify these fungi ...
  • Endophytic and canker-associated Botryosphaeriaceae occurring on non-native Eucalyptus and native Myrtaceae trees in Uruguay 
    Perez, Carlos A.; Wingfield, Michael J.; Slippers, Bernard; Altier, Nora A.; Blanchette, Robert A. (Springer, 2010-01)
    Species of the Botryosphaeriaceae are important pathogens causing cankers and die-back on many woody plants. In Uruguay, Neofusicoccum eucalyptorum, N. ribis and B. dothidea have previously been associated with stem cankers ...
  • New Ceratocystis species infecting coffee, cacao, citrus and native trees in Colombia 
    Van Wyk, Marelize; Wingfield, Brenda D.; Marin, M.; Wingfield, Michael J. (Springer, 2010-01)
    Ceratocystis fimbriata sensu lato includes a large number of plant and especially tree pathogens. In Colombia, isolates of this fungus cause a serious cankerstain disease on coffee as well as other fruit trees. Large ...
  • Ophiostoma tsotsi sp. nov., a wound-infesting fungus of hardwood trees in Africa 
    Grobbelaar, J.W. (Johanna Wilhelmina); De Beer, Z. Wilhelm; Bloomer, Paulette; Wingfield, Michael J.; Wingfield, Brenda D. (Springer, 2010-01)
    Polymorphic sequence-characterised marker assays from a recent diversity study on the Ascomycete fungus Ophiostoma quercus reported that some isolates from Africa were genetically distinct from O. quercus. In the present ...