A. Jacobs

Publications31
h-index9
Citations295
Highly Influential Citations25
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First report of the pitch canker fungus, Fusarium circinatum, on pines in Chile
Pitch canker, caused by Gibberella circinata (Fusarium circinatum), is currently regarded as one of the most serious diseases of pines in the world. The disease was first discovered in the… Expand
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Phylogenetic relationships among Phialocephala species and other ascomycetes
Phialocephala was established for species in the Leptographium complex that produce conidia from phialides at the apices of dark mononematous conidiophores. Some species previously included in… Expand
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Fusarium ananatum sp. nov. in the Gibberella fujikuroi species complex from pineapples with fruit rot in South Africa.
Pineapple (Ananas comosus) is native to South America and widely planted as a fruit crop in the tropics and sub-tropics. This plant is susceptible to a number of fungal diseases of which the most… Expand
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DNA Barcode Efficacy for the Identification of Economically Important Scale Insects (Hemiptera: Coccoidea) in South Africa
Scale insects (Sternorrhyncha: Coccoidea) are one of the most invasive groups of insects. They are sedentary, cryptic, and often resemble the plant parts that they feed on. This coupled with… Expand
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Soil biota in a megadiverse country: Current knowledge and future research directions in South Africa
Abstract Soils are integral to agricultural productivity, biodiversity, and the maintenance of ecosystem services. However, soil ecosystem research depends on foundational biological knowledge that… Expand
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A multi-gene phylogeny of Chlorophyllum (Agaricaceae, Basidiomycota): new species, new combination and infrageneric classification
Abstract Taxonomic and phylogenetic studies of Chlorophyllum were carried out on the basis of morphological differences and molecular phylogenetic analyses. Based on the phylogeny inferred from the… Expand
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Characterization of the pitch canker fungus, Fusarium circinatum, from Chile
Fusarium circinatum is the causal agent of the pine disease commonly referred to as pitch canker. During 2001, a Fusarium species was isolated from dying Pinus radiata clonal hedges in various… Expand
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Fusarium oxysporum f. sp. lycopersici race 3 causing tomato wilt in South Africa
In 2010, tomato plants exhibiting symptoms of wilting, hollow stems and vascular discoloration from the Musina district, Limpopo Province, South Africa were reported. Fusarium oxysporum f.… Expand
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Back pain associated with endobronchial mucus impaction due to Bipolaris australiensis colonization representing atypical Allergic Bronchopulmonary Mycosis.
A 40-year-old white male had a two-year history of right sided upper back pain without dyspnea or coughing. His past history was significant for allergic rhinitis and asthma. Conservative outpatient… Expand
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A taxonomic re-evaluation of Phialocephala phycomyces
Phialocephala was established for species that produce their conidia from phialides at the apex of dark mononematous conidiophores. Phialocephala phycomyces(Auersw.) Kendrick was described more than… Expand
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