Incidence of grapevine trunk diseases is influenced by soil, topology and vineyard age, but not by Diplodia seriata infection rate in the Tokaj Wine Region, Hungary

Kovács, Csilla; Balling, P.; Bihari, Zoltán; Nagy, Antal; Sándor, Erzsébet

doi:10.1007/s12600-017-0570-5

Cited by 27 publications

(34 citation statements)

References 35 publications

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“…Habitat — Isolated from grapevine trunks ( Kovács et al 2017 , as Mucor sp. ), Homo sapiens ( Hesseltine & Ellis 1964 ).…”

Section: Resultsmentioning

confidence: 99%

“…Mucor ramosissimus is often misidentified because growth-reduced variants of other Mucor species mimic this species ( Walther et al 2013 ) and therefore unconfirmed cases have to be considered as doubtful. Interestingly, this species was isolated several times from trunks of grapevines in Hungary ( Kovács et al 2017 ), as Mucor sp. (GenBank accession numbers KU377221, KU377255, KU377256, KU377257, KU377259, KU377260).…”

Section: Discussionmentioning

confidence: 99%

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A new species concept for the clinically relevant Mucor circinelloides complex

et al. 2020

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Mucor species are common soil fungi but also known as agents of human infections (mucormycosis) and used in food production and biotechnology. Mucor circinelloides is the Mucor species that is most frequently isolated from clinical sources. The taxonomy of Mucor circinelloides and its close relatives (Mucor circinelloides complex – MCC) is still based on morphology and mating behaviour. The aim of the present study was a revised taxonomy of the MCC using a polyphasic approach. Using a set of 100 strains molecular phylogenetic analysis of five markers (ITS, rpb1, tsr1, mcm7, and cfs, introduced here) were performed, combined with phenotypic studies, mating tests and the determination of the maximum growth temperatures. The multi-locus analyses revealed 16 phylogenetic species of which 14 showed distinct phenotypical traits and were recognised as discrete species. Five of these species are introduced as novel taxa: M. amethystinus sp. nov., M. atramentarius sp. nov., M. variicolumellatus sp. nov., M. pseudocircinelloides sp. nov., and M. pseudolusitanicus sp. nov. The former formae of M. circinelloides represent one or two separate species. In the MCC, the simple presence of well-shaped zygospores only indicates a close relation of both strains, but not necessarily conspecificity. Seven species of the MCC have been implemented in human infection: M. circinelloides, M. griseocyanus, M. janssenii, M. lusitanicus, M. ramosissimus, M. variicolumellatus, and M. velutinosus.

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“…Habitat — Isolated from grapevine trunks ( Kovács et al 2017 , as Mucor sp. ), Homo sapiens ( Hesseltine & Ellis 1964 ).…”

Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

A new species concept for the clinically relevant Mucor circinelloides complex

et al. 2020

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“…30 However, there are a lot of factors that might prevent a vineyard from reaching significant vine age. For example, the presence of vineyard decline and accompanying incidence of grapevine trunk disease phenomenon, 31 while commercial vineyards must remain economic fundamentally. This has given rise to pruning and regeneration of old trees in time to produce better quality grapes for wine and the fresh market.…”

Section: Discussionmentioning

confidence: 99%

Characterization of rhizosphere bacterial community and berry quality of Hutai No.8 (Vitis vinifera L.) with different ages, and their relations

Han

Cai³

et al. 2019

J Sci Food Agric

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BACKGROUND Rhizosphere soil microbial communities play an important role in grapevine growth. However, the relationship of the rhizosphere soil bacterial community and berry quality of Hutai No.8 grape with different tree‐ages is unclear. In this work, the Biolog‐ECO technique was used to explore the functional diversity of the rhizosphere soil bacterial communities of Hutai No.8 grape with five ages (3, 5, 7, 9 and 11 years old). Meanwhile, grape berry quality indicators related to berry appearance, flavor and functional substance quality was also examined. RESULTS Principal component analysis of grape berry quality mainly separated 3‐year‐old (first bear fruit) and the other tree‐ages. In particular, peel weight and total soluble solid content of 3‐year‐old grape berry was significantly less than that of others. Furthermore, average well color development, species richness and Shannon's diversity index increased significantly with grapevine age. Moreover, the metabolic activities and functional diversity of soil microbial communities in using carbon sources were significantly increasing with grapevine age. Moreover, there were significant correlation between physicochemical indices of grape berry quality and six functional categories of carbon sources. CONCLUSION Tree‐ages could greatly affect the rhizosphere microbial community structure and richness, and then affect the grape berry quality. © 2019 Society of Chemical Industry

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“…In Hungary, although vineyards have been monitored for GTDs since 2015, still little is known about the potential pathogens. Recently, the Tokaj Wine Regiona historically and economically important territory for winemaking in the north-eastern part of the countrywas investigated to evaluate the occurrence of GTDs, focusing on the environmental factors affecting the incidence of Diplodia seriata, a pathogen involved in botryosphaeria dieback (Kovács et al 2017). Two newly detected fungi have been also described: Seimatosporium vitis (Váczy 2017), an accompanying species of different main pathogens of GTDs, and Dothiorella omnivora (Váczy et al 2018), a causal agent of botryosphaeria dieback.…”

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confidence: 99%

Neofabraea kienholzii, a novel causal agent of grapevine trunk diseases in Hungary

et al. 2020

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Recently, more and more new fungal pathogens have been described as causal agents of grapevine trunk diseases (GTDs), which lead to increasingly significant economic losses in viticulture worldwide. The genus Neofabraea consists of species mainly known as important plant pathogens causing perennial canker and bull's eye rot, a common postharvest disease of apple (Malus domestica) and pear (Pyrus communis) fruits. Neofabraea kienholzii also causes lesions on pome fruits and canker on woody tissues, but its pathogenicity has not been demonstrated on grapevine yet. In 2015, two strains, identified as N. kienholzii based on ITS sequence data, were isolated from vines showing symptoms of GTDs in Hungary. For an unambiguous taxonomic placement of the isolates, four loci (ITS, LSU, TUB2 and RPB2) were amplified and sequenced. The phylogenetic analysis confirmed that the two isolates represent N. kienholzii. Pathogenicity tests performed on potted grapevines, shoots, and canes confirmed the virulence of these fungi. Their growth and sporulation on different media were also investigated. To the best of our knowledge, this is the first proof of N. kienholzii might cause symptoms on Vitis and might have a role in GTDs.

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Incidence of grapevine trunk diseases is influenced by soil, topology and vineyard age, but not by Diplodia seriata infection rate in the Tokaj Wine Region, Hungary

Cited by 27 publications

References 35 publications

A new species concept for the clinically relevant Mucor circinelloides complex

A new species concept for the clinically relevant Mucor circinelloides complex

Characterization of rhizosphere bacterial community and berry quality of Hutai No.8 (Vitis vinifera L.) with different ages, and their relations

Neofabraea kienholzii, a novel causal agent of grapevine trunk diseases in Hungary

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