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Brylińska, M.; Sobkowiak, S.; Stefańczyk, E.; Śliwka, J. |
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Title  |
Potato cultivation system affects population structure of Phytophthora infestans |
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Journal Article |
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Year |
2016 |
Publication |
Fungal Ecology |
Abbreviated Journal |
Fungal Ecology |
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20 |
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Pages |
132-143 |
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Keywords |
SSR; Population genetic structure; Late blight; Potato; late blight resistance; mating-type; microsatellite markers; phenotypic diversity; sexual reproduction; genotypic diversity; nordic countries; severe outbreaks; sarpo mira; pathogenicity |
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Abstract |
Phytophthora infestans is one of the most destructive potato pathogens. Many factors influence the population structure of P. infestans, including migration, climate and type of potato cultivation. Here, we analyse 365 P. infestans isolates collected from three regions of Poland over three years. We determined mating type, mitochondrial haplotype, resistance to metalaxyl, virulence and polymorphism at 14 simple sequence repeat (SSR) loci. Analysis of SSR markers showed high genetic diversity associated with this population. Model-based structure analysis grouped 299 unique genotypes into four main clusters. The P. infestans isolates collected from the Mlochow region, which has the most intensive level of potato cultivation, formed a distinct cluster, indicating a strong effect of the cultivation system on pathogen population structure. Three clusters contained isolates with frequent presence of three alleles at one locus, which may affect their capacity for sexual reproduction and preserve groups of fit genotypes that propagate asexually. (C) 2016 Elsevier Ltd and The British Mycological Society. |
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English |
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ISSN |
1754-5048 |
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Article |
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CropM, ft_macsur |
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no |
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Call Number |
MA @ admin @ |
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4720 |
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Author |
D’Ottavio, P.; Francioni, M.; Trozzo, L.; Sedic, E.; Budimir, K.; Avanzolini, P.; Trombetta, M.F.; Porqueddu, C.; Santilocchi, R.; Toderi, M. |
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Title |
Trends and approaches in the analysis of ecosystem services provided by grazing systems: A review |
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Journal Article |
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Year |
2018 |
Publication |
Grass and Forage Science |
Abbreviated Journal |
Grass Forage Sci. |
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Volume |
73 |
Issue |
1 |
Pages |
15-25 |
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Keywords |
climate regulation; food, habitat services; land degradation prevention; moderation of extreme events; natural (landscape) heritage; primary production; regulation of water flows; water quality regulation; Grassland Management; Plant-Communities; Land Degradation; Inner-Mongolia; Trade-Offs; Biodiversity; Provision; Impact; Consequences; Conservation |
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Abstract |
The ecosystem services (ES) approach is a framework for describing the benefits of nature to human well-being, and this has become a popular instrument for assessment and evaluation of ecosystems and their functions. Grazing lands can provide a wide array of ES that depend on their management practices and intensity. This article reviews the trends and approaches used in the analysis of some relevant ES provided by grazing systems, in line with the framework principles of the Millennium Ecosystem Assessment (MA). The scientific literature provides reports of many studies on ES in general, but the search here focused on grazing systems, which returned only sixty-two papers. This review of published papers highlights that: (i) in some papers, the concept of ES as defined by the MA is misunderstood (e.g., lack of anthropocentric vision); (ii) 34% of the papers dealt only with one ES, which neglects the need for the multisectoral approach suggested by the MA; (iii) few papers included stakeholder involvement to improve local decision-making processes; (iv) cultural ES have been poorly studied despite being considered the most relevant for local and general stakeholders; and (v) stakeholder awareness of well-being as provided by ES in grazing systems can foster both agri-environmental schemes and the willingness to pay for these services. |
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2018-03-02 |
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0142-5242 |
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Review |
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LiveM, ft_macsur |
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Call Number |
MA @ admin @ |
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5191 |
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