Identification and Pathogenicity of Fusarium Species Associated with Onion Basal Rot in the Moscow Region of Russian Federation

Vetrova, Svetlana; Alyokhina, Ksenia; Engalycheva, Irina; Kozar, Elena; Mukhina, Kseniya; Sletova, Maria; Krivenkov, Leonid; Tikhonova, Tatyana; Kameneva, Alina; Frolova, Svetlana; Chizhik, Vera; Martynov, Viktor

doi:10.3390/jof10050331

Cited by 3 publications

(2 citation statements)

References 36 publications

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“…Regarding the pathogenicity of other Fusarium species, F. annulatum has also been reported to cause fruit-corm and root rot in crop plants such as melon and onion, as well as medicinal-aromatic plants such as Blettila striata L. and saffron, in addition to grapevine. [31][32][33][34]. These studies indicate that F. annulatum is pathogenic in many hosts.…”

Section: Dry Root Weigth 2022 2023mentioning

confidence: 76%

<em>Fusarium</em> Species Associated with Wood Canker, Root and Basal Rot in Turkish Grapevine Nurseries

Akgül,

Önder,

Savaş

et al. 2024

Preprint

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Fusarium species are agriculturally important fungi with a broad host range and can be found as endophytic, pathogenic, or opportunistic parasites in many crop plants. This study aimed to identify Fusarium species in bare-rooted, dormant plants in Turkish grapevine nurseries using molecular identification methods and assess their pathogenicity. Asymptomatic dormant plants were sampled from grapevine nurseries (43) in different regions of the country, and fungi were isolated from plant roots and internal basal tissues. The Fusarium isolates were identified by performing gene sequencing (TEF1-α, RPB2) and phylogenetic analyses. Pathogenicity tests were carried out by inoculating mycelial agar pieces of isolates onto the stem or conidial suspensions into the rhizosphere of vines (1103 Paulsen rootstock). Laboratory tests revealed that Fusarium species were highly prevalent in Turkish grapevine nurseries (41 out of 43). Gene sequencing and phylogenetic analyses unraveled that 12 Fusarium species (F. annulatum, F. brachygibbosum, F. clavum, F. curvatum, F. falciforme, F. fredkrugeri, F. glycines, F. nanum, F. nematophilum, F. nirenbergiae, F. solani, and Fusarium spp.) existed in the ready-to-sale plants. Some of these species (F. annulatum, F. curvatum and F. nirenbergiae) consistently caused wood necrosis of seedling stems, rotting of the basal zone and roots, and reduced root biomass. Although the other nine species also caused some root rot and root reduction, their virulence was not as severe as the pathogenic ones, and they were considered opportunistic parasites or endophytic species. This study is the first detailed investigation of Fusarium species in grapevine nurseries in Türkiye and emphasizes the need to consider pathogenic species in producing healthy grapevine seedlings.

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Section: Dry Root Weigth 2022 2023mentioning

confidence: 76%

<em>Fusarium</em> Species Associated with Wood Canker, Root and Basal Rot in Turkish Grapevine Nurseries

Akgül,

Önder,

Savaş

et al. 2024

Preprint

View full text Add to dashboard Cite

show abstract

“…Regarding the pathogenicity of other Fusarium species, F. annulatum has also been reported to cause fruit-corm and root rot in crop plants such as melon and onion, as well as medicinal-aromatic plants such as Blettila striata L. and saffron, in addition to vine [32][33][34][35]. These studies indicate that F. annulatum is pathogenic in many hosts.…”

Section: Discussionmentioning

confidence: 88%

Molecular Identification and Pathogenicity of Fusarium Species Associated with Wood Canker, Root and Basal Rot in Turkish Grapevine Nurseries

Akgül,

Önder,

Savaş

et al. 2024

JoF

View full text Add to dashboard Cite

Fusarium species are agriculturally important fungi with a broad host range and can be found as endophytic, pathogenic, or opportunistic parasites in many crop plants. This study aimed to identify Fusarium species in bare-rooted, dormant plants in Turkish grapevine nurseries using molecular identification methods and assess their pathogenicity. Asymptomatic dormant plants were sampled from grapevine nurseries (43) in different regions of the country, and fungi were isolated from plant roots and internal basal tissues. The Fusarium strains were identified by performing gene sequencing (TEF1-α, RPB2) and phylogenetic analyses. Pathogenicity tests were carried out by inoculating mycelial agar pieces of strains onto the stem or conidial suspensions into the rhizosphere of vines (1103 Paulsen rootstock). Laboratory tests revealed that Fusarium species were highly prevalent in Turkish grapevine nurseries (41 out of 43). Gene sequencing and phylogenetic analyses unraveled that 12 Fusarium species (F. annulatum, F. brachygibbosum, F. clavum, F. curvatum, F. falciforme, F. fredkrugeri, F. glycines, F. nanum, F. nematophilum, F. nirenbergiae, F. solani, and Fusarium spp.) existed in the ready-to-sale plants. Some of these species (F. annulatum, F. curvatum and F. nirenbergiae) consistently caused wood necrosis of seedling stems, rotting of the basal zone and roots, and reduced root biomass. Although the other nine species also caused some root rot and root reduction, their virulence was not as severe as the pathogenic ones, and they were considered opportunistic parasites or endophytic species. This study suggests that Fusarium species might play an important role in root-basal rot, wood canker symptoms, and young vine decline in Turkish grapevine nurseries and that these species need to be considered for healthy seedling production.

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Selection for immunity in FSBSI FSVC – history and modernity

Engalycheva,

Kozar,

Ushakov

2024

Ovoŝi Rossii

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Relevance. Maintaining the phytosanitary condition of vegetable and melon crops is an important component in the technologies of cultivation of new and promising varieties and hybrids, since losses from diseases of various etiologies reach 30% or more. This determines the need for immunological studies of the resistance of vegetable and melon crops to phytopathogens of various etiologies, where the basis of the strategy for creating new varieties and hybrids is the joint work of a breeder and a phytopathologist. To do this, it is important to conduct an annual study of the species composition in order to identify new harmful objects that have a negative impact on the profitability of production, as well as to develop measures to protect vegetable crops from the most harmful and economically significant pests and diseases.Methodology and Results. The extensive experimental network of the Federal Scientific Vegetable Center (FSBSI FSVC) in various ecological and geographical zones allows testing varieties and hybrids of vegetable and melon crops in various soil and climatic conditions, including evaluating them for the most harmful phytopathogens in these regions. This review article briefly highlights the main stages of the history of development and current trends in phytopathological research in Russia and our center. The most significant achievements of scientists of the FSBSI FSVC are presented, aimed at a comprehensive study of the current state of populations of pathogens on vegetable and melon crops, resistance factors controlling the interaction of organisms in pathosystems, including genetic ones, optimization and development of new methodological approaches in breeding for immunity and scientific justification of recommended modern protection systems.

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Identification and Pathogenicity of Fusarium Species Associated with Onion Basal Rot in the Moscow Region of Russian Federation

Cited by 3 publications

References 36 publications

<em>Fusarium</em> Species Associated with Wood Canker, Root and Basal Rot in Turkish Grapevine Nurseries

<em>Fusarium</em> Species Associated with Wood Canker, Root and Basal Rot in Turkish Grapevine Nurseries

Molecular Identification and Pathogenicity of Fusarium Species Associated with Wood Canker, Root and Basal Rot in Turkish Grapevine Nurseries

Selection for immunity in FSBSI FSVC – history and modernity

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