Fusarium Species Associated with Cherry Leaf Spot in China

Zhou, Ying; Zhang, Wei; Li, Xinghong; Ji, Shuxian; Chethana, K. W. Thilini; Hyde, Kevin D.; Yan, Jiye

doi:10.3390/plants11202760

Cited by 6 publications

(4 citation statements)

References 30 publications

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“…These four fungal isolates were identified using a combination of their morphological features and phylogenetic analysis of multiple genes, according to the identification techniques used in previous studies [ 35 , 36 , 37 , 38 , 50 , 55 , 56 ]. Prior to this study, F. compactum and F. paranaense had previously been identified as plant pathogens; for example, F. compactum was found to be the cause of leaf spot on sweet cherry ( Prunus avium L.) [ 69 ] and leaf blight on maize ( Zea mays L.) [ 70 ] in China, root rot of banana ( Musa sp.) in Greece [ 71 ], and canker of Italian cypress ( Cupressus sempervirens ) trees in Israel [ 72 ].…”

Section: Discussionmentioning

confidence: 99%

Identification and Characterization of Fusarium Species Causing Watermelon Fruit Rot in Northern Thailand

Nuangmek

Kumla

Khuna

et al. 2023

Plants

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Fruit rot caused by phytopathogenic fungi is one of the major diseases affecting watermelons (Citrullus lanatus) around the world, which can result in unmarketable fruits and significant economic losses. Fruit rot was observed on watermelons throughout the postharvest storage periods in Phayao Province, northern Thailand in 2022. For the present study, a total of ten fungal isolates were isolated from the rot lesions of watermelons. All obtained fungal isolates were then characterized in terms of their pathogenicity. The results indicated that only four fungal isolates caused rot disease with similar symptoms during the postharvest storage period. Based on their morphological characteristics, these four fungal isolates were identified as belonging to the genus Fusarium. Using multi-gene phylogenetic analyses with a combination of the translation elongation factor 1-alpha (tef-1), calmodulin (cam), and RNA polymerase second largest subunit (rpb2) genes, the fungal isolates were subsequently identified as Fusarium compactum and F. paranaense. Taken together, the results of this study indicate that F. compactum and F. paranaense cause fruit rot disease in watermelons. To the best of our knowledge, this is the first study to report F. compactum and F. paranaense as novel pathogens of watermelon fruit rot both in Thailand and elsewhere in the world.

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Section: Discussionmentioning

confidence: 99%

Identification and Characterization of Fusarium Species Causing Watermelon Fruit Rot in Northern Thailand

Nuangmek

Kumla

Khuna

et al. 2023

Plants

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“…Zhao et al [37] identified it as the cause of wilt in maple trees (in China), and Moral-Lopez et al, [38] in almonds (in Portugal and Spain). Another virulent species, F. curvatum, which we identified in pathogenicity tests, has previously been found to be associated with dieback disease in Dendrobium officinale [39] and leaf spot of cherry [40] in China.…”

Section: Discussionmentioning

confidence: 83%

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

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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 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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“…Zhao et al [36] identified it as the cause of wilt in maple trees (in China), and Moral-Lopez et al, [37] in almonds (in Portugal and Spain). Another virulent species, F. curvatum, which we identified in pathogenicity tests, has previously been found to be associated with dieback disease in Dendrobium officinale [38] and leaf spot of cherry [39] in China.…”

Section: Dry Root Weigth 2022 2023mentioning

confidence: 83%

<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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Fusarium Species Associated with Cherry Leaf Spot in China

Cited by 6 publications

References 30 publications

Identification and Characterization of Fusarium Species Causing Watermelon Fruit Rot in Northern Thailand

Identification and Characterization of Fusarium Species Causing Watermelon Fruit Rot in Northern Thailand

Molecular Identification and Pathogenicity of Fusarium 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

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