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Stefanczyk, E.; Sobkowiak, S.; Sliwka, J. |
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Title |
Identification of fungi associated with dry rot of potato tubers |
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2013 |
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Classical and molecular approaches in pathogen and pest taxonomy, Warszawa Poland, 2013-09-10 to 2013-09-12 |
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MA @ admin @ |
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2845 |
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Stefanczyk, E.; Sobkowiak, S.; Sliwka, J. |
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Title |
Polish population of fungi belonging to Fusarium genus and associated with potato dry rot |
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2013 |
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Summer School of Bioinformatics, Poznan, Poland, 2013-08-19 to 2013-08-23 |
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MA @ admin @ |
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2846 |
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Stefańczyk, E.; Sobkowiak, S.; Brylińska, M.; Śliwka, J. |
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Title |
Diversity of Fusarium spp. associated with dry rot of potato tubers in Poland |
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Journal Article |
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2016 |
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European Journal of Plant Pathology |
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Eur. J. Plant Pathol. |
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ITS; mycotoxin; pathogenicity; Solanum tuberosum; tef-1α; β-tubulin; sequence data; Trichothecenes; identification; fungus; pathogenicity; temperature; sensitivity; zearalenone; strains; disease |
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Fusarium spp. belong to the division Ascomycota and cause important plant diseases; these fungi may contaminate food products with mycotoxins, endangering human and animal health. Several Fusarium spp. have been associated with potato dry rot. The most frequent and devastating of these species are F. sambucinum, F. solani and F. oxysporum, depending on the geographic location and the season. Samples of potato tubers with dry rot symptoms were collected, and their putative fungal isolates were identified as Fusarium species using partial nucleotide sequences of the internal transcribed spacer, translation elongation factor 1-α and β-tubulin genes. Among 149 isolates, 12 species were identified. F. oxysporum was the most frequent (45 % of the isolates), followed by F. avenaceum (12.1 %), F. solani (10.7 %) and F. sambucinum (7.4 %). Phylogenetic analyses confirmed the species identifications and revealed a high diversity of F. solani and a low diversity of F. oxysporum. Potential producers of zearalenone and trichothecenes were identified within the obtained isolates using PCR markers. Isolates that were pathogenic to potatoes in laboratory tests were found in four species: F. sambucinum, F. avenaceum, F. culmorum, and F. graminearum. The effects of increased temperature and mixed inoculum on the pathogenicities of chosen species were evaluated. This study adds 434 potato-derived Fusarium sequences to the NCBI GenBank database and demonstrates that the list of Fusarium species and mycotoxins present in potato tubers may be richer than previously believed, regardless of whether these species cause dry rot or live as saprophytes. |
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0929-1873 1573-8469 |
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CropM, ft_macsur |
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MA @ admin @ |
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4721 |
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Author |
Spanna, F.; Cassardo, C.; Cavalletto, S.; La Iacona, T.; Vitali, M.; Balanzino, A. |
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Title |
MACSUR Project – The case study of vineyards. Eco-physiological and biophysical modeling applied to the growth and productivity of vineyards in northwestern Italy |
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2014 |
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Viticulture in Italy is one of the economically most important agricultural sectors. Recent research allows eco-physiological and biophysical models to develop tools able to provide support to the crop management, in terms of optimizing production performance and limiting environmental impacts. The ability to check on a daily basis the activities of vegetative and productive phases of vines is certainly a fundamental tool for the vineyard organization and management, and for linking the trends of growth and productivity with the quality of the final product: the wine. Since some years, some researches are taking place in the vineyards of northwestern Italy, with the aim of modeling the eco-physiological behavior of the vines, using and valorizing all available historical field data related to the vegetative and productive behavior of the vines, as well as laboratory qualitative data. At the same time, our team is evaluating two different modeling approaches: one biophysical, using the land surface scheme UTOPIA (University of TOrino land Process Interaction in Atmosphere), and another one eco-physiological. The case-study vineyards, referred to the northwestern Italian territory, is part of a wider working program involving several integrated teams from Italy, Spain and Germany. The objectives are: to improve the use of the models used by different groups; to compare the results obtained by different modeling tools; to create a common database of field measurements; to study the relationships between vegetative-productive behaviors and quality of productions. |
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FACCE MACSUR Mid-term Scientific Conference |
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3(S) Sassari, Italy |
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FACCE MACSUR Mid-term Scientific Conference, 2014-04-01 to 2014-04-04, Sassari, Italy |
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MA @ admin @ |
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5100 |
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Soussana, J.-F.; Fereres, E.; Long, S.P.; Mohren, F.G.M.J.; Pandya-Lorch, R.; Peltonen-Sainio, P.; Porter, J.R.; Rosswall, T.; von Braun, J. |
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A European science plan to sustainably increase food security under climate change |
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Journal Article |
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2012 |
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Global Change Biology |
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Glob. Chang. Biol. |
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18 |
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11 |
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3269-3271 |
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2016-10-31 |
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1354-1013 |
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CropM, ftnotmacsur |
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MA @ admin @ |
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4815 |
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