Research Articles (Plant Pathology)
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Fusaric acid instigates the invasion of banana by Fusarium oxysporum f. sp. cubense TR4
(Wiley Online, 2019)Fusaric acid (FSA) is a phytotoxin produced by several Fusarium species and has been associated with plant disease development, although its role is still not well understood. Mutation of key genes in the FSA biosynthetic ... -
Phyllosticta citricarpa and sister species of global importance to Citrus
(British Society for Plant Pathology, 2020)Several Phyllosticta species are known as pathogens of Citrus spp., and are responsible for various disease symptoms including leaf and fruit spots. One of the most important species is P. citricarpa, which causes a foliar ... -
Mycotoxin production by three different toxigenic fungi genera on formulated abalone feed and the effect of an aquatic environment on fumonisins
(Nature Research (part of Springer Nature), 2019-04-14)Mycotoxins are toxic secondary metabolites produced by various filamentous fungi, of which Fusarium, Aspergillus and Penicillium are the three main genera. Fusarium verticillioides is one of the most dominant toxigenic ... -
Pathogenicity of ten Phaeoacremonium species associated with esca and Petri disease of grapevine
(Firenze University Press, 2018)Nineteen species of Phaeoacremonium have been associated with grapevines in South Africa, of which only six species have been confirmed as pathogens through pathogenicity tests conducted on field-grown grapevines. This ... -
A protocol for the management of grapevine rootstock mother vines to reduce latent infections by grapevine trunk pathogens in cuttings
(Firenze University Press, 2018)A protocol is offered as a guideline for managers of rootstock mother grapevines, and as a potential research framework for to reduce infections by Grapevine Trunk Disease (GTD) pathogens in rootstock mother vines and ... -
Towards the validation of high-throughput sequencing (HTS) for routine plant virus diagnostics: measurement of variation linked to HTS detection of citrus viruses and viroids
(BioMed Central, 2021-03-22)Background: High-throughput sequencing (HTS) has been applied successfully for virus and viroid discovery in many agricultural crops leading to the current drive to apply this technology in routine pathogen detection. ... -
The effects of postharvest treatments and sunlight exposure on the reproductive capability and viability of Phyllosticta citricarpa in citrus black spot fruit lesions
(MDPI, 2020-12-21)Citrus black spot (CBS) is caused by Phyllosticta citricarpa, which is classified as a quarantine organism in certain countries whose concerns are that CBS-infected fruit may be a pathway for introduction of the pathogen. ... -
Agricultural practices and their potential role in mycotoxin contamination of maize and groundnut subsistence farming
(Academy of Science of South Africa, 2019-09-26)Mycotoxigenic fungi are common pathogens of maize and groundnuts; they produce mycotoxins which reduce the yield and quality of these grain crops. Numerous agricultural practices including crop rotation and storage methods ... -
Genera of phytopathogenic fungi : GOPHY 2
(Elsevier, 2019)This paper represents the second contribution in the Genera of Phytopathogenic Fungi (GOPHY) series. The series provides morphological descriptions and information regarding the pathology, distribution, hosts and disease ... -
Morphological and molecular identification of fungi associated with South African apple core rot
(Springer, 2018)Core rot is a major contributor to postharvest losses in apples worldwide. Pathogens most commonly associated with the disease are Alternaria spp. and Penicillium spp. Although both genera show specific morphological ... -
High diversity of Diaporthe species associated with dieback diseases in China, with twelve new species described
(Pensoft Publishers, 2018-09-17)Diaporthe species have often been reported as important plant pathogens, saprobes and endophytes on a wide range of plant hosts. Although several Diaporthe species have been recorded in China, little is known about species ... -
Liberomyces pistaciae sp. nov., the causal agent of pistachio cankers and decline in Italy
(Pensoft Publishers, 2018)A new canker and decline disease of pistachio (Pistacia vera) is described from Sicily (Italy). Observations of the disease and sampling of the causal agent started in spring 2010, in the area where this crop is typically ... -
Detection and quantification of black foot and crown and root rot pathogens in grapevine nursery soils in the Western Cape of South Africa
(Firenze University Press, 2018)Black foot disease (BFD) and crown and root rot (CRR) are important soilborne diseases that affect young grapevines in nurseries and vineyards. A 3-year survey (2013–2015) of five open-field grapevine nurseries was conducted ... -
Species of Diaporthe on Camellia and Citrus in the Azores Islands
(Firenze University Press, 2018)Species of Diaporthe are important plant pathogens, saprobes, and endophytes on a wide range of plant hosts. Species such as D. citri are well-known on Citrus, as agents of pre- or post-harvest infections, causing dieback, ... -
Diaporthaceae associated with root and crown rot of maize
(International Mycological Association, 2011-03-10)Several isolates of coelomycetous fungi with pigmented conidia were consistently isolated from diseased roots of Zea mays in irrigated plots monitored in the KwaZulu-Natal Province of South Africa. Based on their morphology, ... -
Occurrence fungi causing black foot on young grapevines and nursery rootstock plants in Italy
(Firenze University Press, 2017)Young grapevine plants with decline and wood necrosis symptoms were collected from vineyards and nurseries in the Apulia and Molise regions, Italy, from 2013 to 2015. Isolations of fungi were prepared from 45 diseased ... -
Phylogeny and taxonomy of the scab and spot anthracnose fungus Elsinoe (Myriangiales, Dothideomycetes)
(Elsevier, 2017)Species of Elsinoe are phytopathogens causing scab and spot anthracnose on many plants, including some economically important crops such as avocado, citrus, grapevines, and ornamentals such as poinsettias, field crops and ... -
First report of Phyllosticta citricarpa and description of two new species, P. paracapitalensis and P. paracitricarpa, from citrus in Europe
(Elsevier, 2017)The genus Phyllosticta occurs worldwide, and contains numerous plant pathogenic, endophytic and saprobic species. Phyllosticta citricarpa is the causal agent of Citrus Black Spot disease (CBS), affecting fruits and leaves ... -
Mycotoxigenic Fusarium species associated with grain crops in South Africa – a review
(Academy of Science of South Africa, 2017)Cereal grains include some of the most important crops grown in South Africa and play a major role in the local economy. Maize, wheat and sorghum are extensively consumed by humans and farm animals, and are also utilised ... -
Assessing genotype-by-environment interactions in aspergillus ear rot and pre-harvest aflatoxin accumulation in maize inbred lines
(MDPI, 2017)Aspergillus flavus, causal agent of the Aspergillus ear rot (AER) of maize, also produces aflatoxins that cause aflatoxicosis in humans and livestock. Ten maize inbred lines were evaluated in replicated trials in two ...
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