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Article
2020
Analysis of the species spectrum of the Diaporthe/Phomopsis complex in European soybean seeds
Analysis of the species spectrum of the Diaporthe/Phomopsis complex in European soybean seeds
Abstract (English)
Phytopathogenic fungal species of the Diaporthe/Phomopsis complex (DPC) are associated with three highly destructive diseases on soybean: seed decay, pod and stem blight, and stem canker. They are responsible for poor seed quality and significant yield reduction in most soybean-producing areas. Precise identification and classification of DPC species are important in understanding the epidemiology of disease and to develop effective control measures. Although cultural and morphological characteristics of DPC-associated pathogens have been described, establishing a more accurate taxonomic framework seems necessary for a revaluation of the taxonomy and phylogeny of DPC species. In this study, we focused on morphological and molecular analyses of species from DPC-damaged European soybean seeds obtained from several locations throughout Europe. Colony characteristics, conidia dimensions, existence of α- and β-conidia, and formation of perithecia were evaluated in order to assign the isolates to a species morphologically. Phylogenetic relationships were determined based on sequences from beta-tubulin (TUB), translation elongation factor 1-alpha (TEF1), and nuclear ribosomal DNA internal transcribed spacers (ITS). All isolates were tested for pathogenicity on soybean with positive results. In this study, we present updated taxonomic data by combining morphological observations and molecular tools which placed 32 Diaporthe isolates into four DPC species: D. longicolla, D. caulivora, D. eres, and D. novem, which are well-known soybean pathogens.
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Mycological progress, 19 (2020), 455–469.
https://doi.org/10.1007/s11557-020-01570-y.
ISSN: 1861-8952
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Hosseini, B., El-Hasan, A., Link, T., & Vögele, R. (2020). Analysis of the species spectrum of the Diaporthe/Phomopsis complex in European soybean seeds. Mycological progress, 19. https://doi.org/10.1007/s11557-020-01570-y
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@article{Hosseini2020,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/16295},
doi = {10.1007/s11557-020-01570-y},
author = {Hosseini, Behnoush and El-Hasan, Abbas and Link, Tobias et al.},
title = {Analysis of the species spectrum of the Diaporthe/Phomopsis complex in European soybean seeds},
journal = {Mycological progress},
year = {2020},
volume = {19},
}