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Diaporthe diversity and pathogenicity revealed from a broad survey of grapevine diseases in Europe Naturalis
Guarnaccia, V.; Groenewald, J.Z.; Woodhall, J.; Armengol, J.; Cinelli, T.; Eichmeier, A.; Ezra, D.; Fontaine, F.; Gramaje, D.; Gutierrez-Aguirregabiria, A.; Kaliterna, J.; Kiss, L.; Larignon, P.; Luque, J.; Mugnai, L.; Naor, V.; Raposo, R.; Sándor, E.; Váczy, K.Z.; Crous, P.W..
Species of Diaporthe are considered important plant pathogens, saprobes, and endophytes on a wide range of plant hosts. Several species are well-known on grapevines, either as agents of pre- or post-harvest infections, including Phomopsis cane and leaf spot, cane bleaching, swelling arm and trunk cankers. In this study we explore the occurrence, diversity and pathogenicity of Diaporthe spp. associated with Vitis vinifera in major grape production areas of Europe and Israel, focusing on nurseries and vineyards. Surveys were conducted in Croatia, Czech Republic, France, Hungary, Israel, Italy, Spain and the UK. A total of 175 Diaporthe strains were isolated from asymptomatic and symptomatic shoots, branches and trunks. A multi-locus phylogeny was established...
Tipo: Article / Letter to the editor Palavras-chave: Canker; Multi-locus sequence typing; Pathogenicity; Vitis.
Ano: 2018 URL: http://www.repository.naturalis.nl/record/644417
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Temporal isolation explains host-related genetic differentiation in a group of widespread mycoparasitic fungi Inra
Kiss, L.; Pintye, A.; Kovacs, G.M.; Jankovics, T.; Fontaine, M.C.; Harvey, N.; Xu, X.; Nicot, P.C.; Bardin, M.; Shykoff, J.; Giraud, T..
Understanding the mechanisms responsible for divergence and specialization of pathogens on different hosts is of fundamental importance, especially in the context of the emergence of new diseases via host shifts. Temporal isolation has been reported in a few plants and parasites, but is probably one of the least studied speciation processes. We studied whether temporal isolation could be responsible for the maintenance of genetic differentiation among sympatric populations of Ampelomyces, widespread intracellular mycoparasites of powdery mildew fungi, themselves plant pathogens. The timing of transmission of Ampelomyces depends on the life cycles of the powdery mildew species they parasitize. Internal transcribed spacer sequences and microsatellite markers...
Tipo: Journal Article Palavras-chave: MICROSATELLITE; ITS SEQUENCE; POWDERY MILDEW; MYCOHOST SPECIALIZATION  AMPELOMYCES; PODOSPHAERA LEUCOTRICHA.
Ano: 2011 URL: http://www.prodinra.inra.fr/prodinra/pinra/doc.xsp?id=PROD2011b0572863&uri=/notices/prodinra1/2011/04/
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