- UPSpace Home
- →
- Browsing by UP Author
JavaScript is disabled for your browser. Some features of this site may not work without it.
Browsing by UP Author "Berger, David Kenneth"
Now showing items 1-20 of 49
-
Oelofse, Dean; Dubery, Ian A.; Meyer, Riaan; Arendse, Melanie S.; Gazendam, Inge; Berger, David Kenneth (Elsevier, 2006)Extracts from apple fruit (cultivar “Granny Smith”) inhibited the cell-wall degrading polygalacturonase (PG) activity of Colletotrichum lupini, the causal agent of anthracnose on lupins, as well as Aspergillus niger PG. ...
-
Viljoen, Erika; Odeny, Damaris Achieng; Coetzee, Martin Petrus Albertus; Berger, David Kenneth; Rees, David J.G. (Springer, 2018-04)Amaranthus species are an emerging and promising nutritious traditional vegetable food source. Morphological plasticity and poorly resolved dendrograms have led to the need for well resolved species phylogenies. We ...
-
Berger, David Kenneth; Mokgobu, Tumisang; De Ridder, Katrien; Christie, Nanette; Aveling, T.A.S. (Terry) (AOSIS Open Journals, 2020-11-26)Maize underpins food security in South Africa. An annual production of more than 10 million tons is a combination of the output of large-scale commercial farms plus an estimated 250 000 ha cultivated by smallholder ...
-
Van Schalkwyk, Antoinette; Peter, Wenzl; Smit, Sandra; Lopez-Cobollo, Rosa; Kilian, Andrzej; Bishop, Gerard; Hefer, Charles Amadeus; Berger, David Kenneth (Springer, 2012)Marker-trait association studies in tomato have progressed rapidly due to the availability of several populations developed between wild species and domesticated tomato. However, in the absence of whole genome sequences ...
-
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 ...
-
Omondi, Dennis O.; Dida, Mathews M.; Berger, David Kenneth; Beyene, Yoseph; Nsibo, David Livingstone; Juma, Collins; Mahabaleswara, Suresh L.; Gowda, Manje (Frontiers Media, 2023-11)Among the diseases threatening maize production in Africa are gray leaf spot (GLS) caused by Cercospora zeina and northern corn leaf blight (NCLB) caused by Exserohilum turcicum. The two pathogens, which have high genetic ...
-
Creux, Nicole Marie; Ranik, Martin; Berger, David Kenneth; Myburg, Alexander Andrew (Blackwell, 2008)The cellulose synthase (CesA) gene family encodes the catalytic subunits of a large protein complex responsible for the deposition of cellulose into plant cell walls. Early in vascular plant evolution, the gene family ...
-
Swart, Velushka; Crampton, Bridget Genevieve; Ridenour, John B.; Bluhm, Burt H.; Olivier, Nicholas Abraham; Meyer, Jacobus Johannes Marion; Berger, David Kenneth (American Phytopathological Society, 2017-09)Gray leaf spot (GLS), caused by the sibling species Cercospora zeina or Cercospora zeae-maydis, is cited as one of the most important diseases threatening global maize production. C. zeina fails to produce cercosporin in ...
-
Craze, Hamish A.; Pillay, Nelishia; Joubert, Fourie; Berger, David Kenneth (MDPI, 2022-07-26)Maize yields worldwide are limited by foliar diseases that could be fungal, oomycete, bacterial, or viral in origin. Correct disease identification is critical for farmers to apply the correct control measures, such as ...
-
Solomon, Owen Luke; Berger, David Kenneth; Myburg, Alexander Andrew (Elsevier, 2010-08)The daily cycle of night and day affects the physiology and behaviour of almost all living things. At a molecular level, many genes show daily changes in expression level, often providing adaptive benefit to the organism. ...
-
Marais, Ingrid; Buitendag, Carla; Duong, Tuan A.; Crampton, Bridget Genevieve; Theron, Jacques; Kidanemariam, Dawit B.; Berger, David Kenneth (Wiley, 2024-08)RNA interference (RNAi) using double-stranded RNA (dsRNA) against fungal pathogens is an emerging field of crop disease control. We aimed to evaluate RNAi against the fungus Cercospora zeina causing grey leaf spot (GLS) ...
-
Wingfield, Brenda D.; Berger, David Kenneth; Steenkamp, Emma Theodora; Lim, Hye-Jin; Duong, Tuan A.; Bluhm, Burton H.; De Beer, Z. Wilhelm; De Vos, Lieschen; Fourie, Gerda; Naidoo, Kershney; Olivier, Nicholas Abraham; Lin, Yao-Cheng; Van de Peer, Yves; Joubert, Fourie; Crampton, Bridget Genevieve; Swart, Velushka; Soal, Nicole Christine; Tatham, Catherine; Van der Nest, Magrieta Aletta; Van der Merwe, Nicolaas Albertus (Albie); Van Wyk, Stephanie; Wilken, Pieter Markus; Wingfield, Michael J. (International Mycological Association, 2017-11-21)The genomes of Cercospora zeina, Fusarium pininemorale, Hawksworthiomyces lignivorus, Huntiella decipiens, and Ophiostoma ips are presented in this genome announcement. Three of these genomes are from plant pathogens and ...
-
Meyer, Febe E.; Shuey, Louise S.; Naidoo, Sitha; Mamni, Thandekile B.; Berger, David Kenneth; Myburg, Alexander Andrew; Van den Berg, Noelani; Naidoo, Sanushka (Frontiers Research Foundation, 2016-03-02)Damage caused by Phytophthora cinnamomi Rands remains an important concern on forest tree species. The pathogen causes root and collar rot, stem cankers, and dieback of various economically important Eucalyptus spp. In ...
-
Naidoo, Sanushka; Fouche-Weich, Joanne; Law, P.; Denby, K.J.; Marco, Y.; Berger, David Kenneth (Wiley, 2011-04)Ralstonia solanacearum, the causal agent of bacterial wilt, has been reported from Eucalyptus plantations in at least three countries in Africa. The lack of genomics resources in Eucalyptus species led us to develop and ...
-
Zwart, Lizahn; Berger, David Kenneth; Moleleki, Lucy Novungayo; Van der Merwe, Nicolaas Albertus (Albie); Myburg, Alexander Andrew; Naidoo, Sanushka (Nature Publishing Group, 2017-03)Eucalyptus species are cultivated for forestry and are of economic importance. The fungal stem canker pathogen Chrysoporthe austroafricana causes disease of varying severity on E. grandis. The Eucalyptus grandis-Chrysoporthe ...
-
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 ...
-
Tembo, Mathias; Mahlangu, Jabulile N.N.; Berger, David Kenneth; Chimutingiza, Hildah; Chikoti, Patrick C.; Prasanna, Boddupalli M.; Suresh, L.M.; Nsibo, David Livingstone (American Phytopathological Society, 2024-09)In March 2023, leaf spot symptoms characterized by ovoid, oblong lesions with a pale brown center and small and narrow linear lesions were observed in seed maize production fields in Mkushi District, Zambia. The symptoms ...
-
Read, David Alan; Featherstone, Jonathan; Rees, David Jasper Gilbert; Thompson, Genevieve Dawn; Roberts, Ronel; Flett, Bradley Charles; Mashingaidze, Kingston; Berger, David Kenneth; Welgemoed, Tanya; Pietersen, Gerhard; Schulze, Susanna Elizabeth; Kiula, Barnabas Anthony; Kullaya, Alois; Mbega, Ernest (Springer, 2019-02)Maize yellow mosaic virus (MaYMV) has been reported from China, Ecuador, Brazil and Burkino Faso on maize since 2016 and appears to be an emerging virus with a wide global distribution. Thirty-five maize samples with varying ...
-
Coutinho, Teresa A.; Wingfield, Michael J.; Wingfield, Brenda D.; Kunert, Karl J.; Korsten, Lise; Berger, David Kenneth; Labuschagne, Nico; Oberholster, Anna-Maria; Aveling, T.A.S. (Terry); Viljoen, Altus; University of Pretoria. Forestry and Agricultural Biotechnology Institute; University of Pretoria. FABI (Forestry and Agricultural Biotechnology Institute, University of Pretoria, 2000)
-
Coutinho, Teresa A.; Wingfield, Michael J.; Oberholster, Anna-Maria; Myburg, Alexander Andrew; Berger, David Kenneth; Marais, Gert; Kunert, Karl J.; Labuschagne, Nico; Aveling, T.A.S. (Terry); Steenkamp, Emma Theodora; Viljoen, Altus; Korsten, Lise; Myburg, Zander; University of Pretoria. Forestry and Agricultural Biotechnology Institute; University of Pretoria. FABI (Forestry and Agricultural Biotechnology Institute, University of Pretoria, 2003)
Now showing items 1-20 of 49