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Research Articles (Plant Science): Recent submissions

  • Cercospora zeina from maize in South Africa exhibits high genetic diversity and lack of regional population differentiation 
    Muller, M.F.; Barnes, Irene; Kunene, N.T.; Crampton, Bridget Genevieve; Bluhm, B.H.; Phillips, Sonia M.; Olivier, Nicholas Abraham; Berger, David Kenneth (American Phytopathological Society, 2016-10)
    Muller, M.F., Barnes, I., Kunene, N.T., Crampton, B.G., Bluhm, B.H., Phillips, S., Olivier, N.A. and Berger, D.K. 2016. Cercospora zeina from maize in South Africa exhibits high genetic diversity and lack of regional ...
  • Position, position, position : mites occupying leaf domatia are not uniformly distributed in the tree canopy 
    Situngu, S.; Barker, Nigel (Elsevier, 2017-01)
    Leaf domatia are plant-produced cavities usually found in the axils of major veins on the abaxial side of leaves. These structures are found in many woody dicotyledonous plants and mediate a mutualistic relationships ...
  • Transcriptome responses of an ungrafted Phytophthora root rot tolerant avocado (Persea americana) rootstock to flooding and Phytophthora cinnamomi 
    Reeksting, Bianca J.; Olivier, Nicholas Abraham; Van den Berg, Noelani (BioMed Central, 2016-09-22)
    BACKGROUND : Avocado (Persea americana Mill.) is a commercially important fruit crop worldwide. A major limitation to production is the oomycete Phytophthora cinnamomi, which causes root rot leading to branch-dieback and ...
  • A new species of Pavetta (Rubiaceae) from South Africa 
    Siebert, Stefan J.; Retief, Elizabeth; Van Wyk, Abraham Erasmus (Braam) (MMissouri Botanical Garden Press, 2013-10-18)
    Pavetta glaucophylla Retief, S. J. Siebert & A. E. van Wyk, a new species of the Rubiaceae (Ixoroideae) from South Africa, is described and illustrated. A member of Pavetta L. subg. Pavetta, it has a restricted range ...
  • Overlap of latent pathogens in the Botryosphaeriaceae on a native and agricultural host 
    Mehl, James William Montague; Slippers, Bernard; Roux, Jolanda; Wingfield, Michael J. (Elsevier, 2017-04)
    Some species of the Botryosphaeriaceae are capable of infecting a broad range of host plants. We studied the species diversity of Botryosphaeriaceae associated with marula (Sclerocarya birrea subsp. caffra, Anacardiaceae) ...
  • Signals that stop the rot : regulation of secondary metabolite defences in cereals 
    Meyer, Jacqueline; Murray, S.L.; Berger, David Kenneth (Elsevier, 2016-04)
    Plants accumulate a vast arsenal of chemically diverse secondary metabolites for defence against pathogens. This review will focus on the signal transduction and regulation of defence secondary metabolite production in ...
  • A synoptic review and new infrageneric classification for the genus Haworthiopsis (Xanthorrhoeaceae : Asphodeloideae) 
    Gildenhuys, Sean D.; Klopper, Ronell Renett (Magnolia Press, 2016-06)
    Haworthiopsis was established in 2013 to accommodate the species formerly classified under the subgenus Hexangulares of the genus Haworthia. This new genus is near-endemic to South Africa and found in most of the provinces ...
  • Profile of Penicillium species in the pear supply chain 
    Scholtz, Ilonka; Korsten, Lise (Wiley, 2016-09)
    Postharvest fruit decay caused by Penicillium pathogens is considered to be one of the most important challenges in the pear industry resulting in market-end losses. Moving export fruit through different environments ...
  • Agroinfiltration contributes to VP1 recombinant protein degradation 
    Pillay, Priyen; Kunert, Karl J.; Van Wyk, Stefan George; Makgopa, Matome Eugene; Cullis, C.A. (Christoper Ashley); Vorster, Barend Juan (Routledge, 2016-08)
    There is a growing interest in applying tobacco agroinfiltration for recombinant protein production in a plant based system. However, in such a system, the action of proteases might compromise recombinant protein ...
  • Aligning design with science : tree grids and rings in the landscape 
    Stoffberg, G.H.; Van Rooyen, Margaretha W.; Groeneveld, Hendrik T.; Van der Linde, Michael J. (Mike) (International Society for Horticultural Science, 2016)
    Tree grids and tree rings pose certain challenges to the designer of landscapes especially designing hard landscapes such as pavements, parking areas and roadsides. One challenge is insufficient knowledge of lateral ...
  • Investigation of the anti-mycobacterial mechanism of action of 7-methyljuglone 
    Thaver, Veneesha; Meyer, Jacobus Johannes Marion; Cockeran, Riana; Cholo, Moloko C.; Anderson, Ronald; Lall, Namrita (Scientific Research Publishing, 2012-05)
    Although the naphthoquinone, 7-methyljuglone (7-MJ), is active against Mycobacterium tuberculosis (MTB) in vitro, neither the cellular site nor mechanism of anti-mycobacterial action of this agent has been identified. The ...
  • History and drivers of plant taxonomy in South Africa 
    Victor, Janine Elizabeth; Smith, G.F. (Gideon Francois), 1959-; Van Wyk, Abraham Erasmus (Braam) (Magnolia Press, 2016-08-06)
    The development of plant taxonomy in South Africa from about 1600 to 2015 is reviewed, with emphasis on the main driving factors that have influenced the research direction, techniques used, and choice of taxonomic research ...
  • The genus Aloe L. (Asphodelaceae : Alooideae) in the eastern Cape Province of South Africa 
    Klopper, Ronell Renett; Smith, G.F. (Gideon Francois), 1959- (Cactus and Succulent Society of America, 2010)
    The Eastern Cape is extremely diverse and is a climatic, topographic and geological transition zone. This transitional nature of the environment is reflected in the phytogeographical and phytosociological complexity of ...
  • Drought stress responses in soybean roots and nodules 
    Kunert, Karl J.; Vorster, Barend Juan; Fenta, Berhanu A.; Kibido, Tsholofelo Reineth; Dionisio, Giuseppe; Foyer, Christine H. (Frontiers Research Foundation, 2016-07-12)
    Drought is considered to be a major threat to soybean production worldwide and yet our current understanding of the effects of drought on soybean productively is largely based on studies on above-ground traits. Although ...
  • Extract from Ceratonia siliqua exhibits depigmentation properties 
    Lall, Namrita; Kishore, Navneet; Momtaz, Saeideh; Hussein, Ahmed A.; Naidoo, Sanushka; Nqephe, Mabatho; Crampton, Bridget Genevieve (Wiley, 2015-11)
    Skin hyper-pigmentation is a condition initiated by the overproduction of melanin existing in the melanocytes. Melanin pigment is responsible for the colour of skin in humans. It is formed through a series of oxidative ...
  • New host range and distribution of Ceratocystis pirilliformis in South Africa 
    Lee, Dong Hyeon; Roux, Jolanda; Wingfield, Brenda D.; Barnes, Irene; Wingfield, Michael J. (Springer, 2016-11)
    Ceratocystis pirilliformis was first described from wounds on Eucalyptus trees in Australia and subsequently found as a common wound inhabitant on these trees in South Africa. During a recent disease survey carried out ...
  • Microbial succession in white button mushroom production systems from compost and casing to a marketable packed product 
    Siyoum, Nazareth Afewerki; Surridge-Talbot, A.K.J. (Angela Karen Joanna); Van der Linde, Elna J.; Korsten, Lise (Springer, 2016-03)
    The aim of the study was to investigate microbial succession in the mushroom supply chain from compost, casing to fruit body formation and mushroom growth to the point of harvested, packing and point of sale. The microbial ...
  • Realising the potential of herbarium records for conservation biology 
    Greve, Michelle; Lykke, Anne Mette; Fagg, Christopher W.; Gereau, Roy E.; Lewis, Gwilym P.; Marchant, Rob; Marshall, Andrew R.; Ndayishimiye, Joël; Bogaert, Jan; Svenning, Jens-Christian (Elsevier, 2016-07)
    One of the major challenges in ecosystem conservation is obtaining baseline data, particularly for regions that have been poorly inventoried, such as regions of the African continent. Here we use a database of African ...
  • Prevalence and serovar diversity of Salmonella spp. in primary horticultural fruit production environments 
    Gomba, Annancietar; Chidamba, Lizyben; Korsten, Lise (Elsevier, 2016-11)
    Increases in foodborne disease outbreaks associated with fresh produce have necessitated the need to identify potential sources of microbial contamination in produce and agricultural environments. The present study ...
  • Postharvest decay of nectarine and plum caused by Penicillium spp. 
    Louw, Johannes Petrus; Korsten, Lise (Springer, 2016-12)
    Stone fruit are highly perishable and susceptible to numerous postharvest pathogens. P. expansum is a well-known pathogen of stone fruit but little is known about other Penicillium spp. that could potentially cause decay. ...