First report of root rot disease on <i>Solanum lycopersicum</i> L. caused by <i>Fusarium vanettenii</i> in India

Debbarma, Rubin; Kamil, Deeba; Bashyal, Bishnu Maya; Choudhary, Shiv Pratap; Thokla, Prameeladevi

doi:10.1111/jph.13047

Cited by 3 publications

(1 citation statement)

References 11 publications

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“…F. stercicola has been isolated from plant debris in Switzerland [ 56 ], from soil in Europe [ 38 , 57 ] and in China [ 41 ], and also has been found on Solanum tuberosum and other host plants in New Zealand [ 58 ] and in nematodes [ 59 ]. F. vanettenii was previously isolated from potato tubers in Russia [ 33 , 60 ], as well as from tomato [ 61 ], legumes [ 42 ], and soil [ 38 ]. The existing information indicates a potentially wide distribution of F. mori , F. noneumartii , F. stercicola , and F. vanettenii and other FSSC species in the mycobiota of potato and widely cultivated crops.…”

Section: Discussionmentioning

confidence: 99%

Identification and Pathogenicity of Fusarium Fungi Associated with Dry Rot of Potato Tubers

Gavrilova,

Orina,

Trubin

et al. 2024

Microorganisms

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Dry rot of potato tubers is a harmful disease caused by species of the Fusarium genus. Studies on the composition and features of Fusarium spp. that cause the disease in Russia are limited. Thirty-one Fusarium strains belonging to the F. sambucinum species complex (FSAMSC) and F. solani species complex (FSSC) were accurately identified using multilocus phylogenetic analysis of the tef and rpb2 loci, and their physiological characteristics were studied in detail. As a result, 21 strains of F. sambucinum s. str. and 1 strain of F. venenatum within the FSAMSC were identified. Among the analyzed strains within the FSSC, one strain of F. mori, four strains of F. noneumartii, and two strains of both F. stercicola and F. vanettenii species were identified. This is the first record of F. mori on potato as a novel host plant, and the first detection of F. noneumartii and F. stercicola species in Russia. The clear optimal temperature for the growth of the strains belonging to FSAMSC was noted to be 25 °C, with a growth rate of 11.6–15.0 mm/day, whereas, for the strains belonging to FSSC, the optimal temperature range was between 25 and 30 °C, with a growth rate of 5.5–14.1 mm/day. The distinctive ability of F. sambucinum strains to grow at 5 °C has been demonstrated. All analyzed Fusarium strains were pathogenic to potato cv. Gala and caused extensive damage of the tuber tissue at an incubation temperature of 23 °C for one month. Among the fungi belonging to the FSAMSC, the F. sambucinum strains were more aggressive and caused 23.9 ± 2.2 mm of necrosis in the tubers on average compared to the F. venenatum strain—17.7 ± 1.2 mm. Among the fungi belonging to the FSSC, the F. noneumartii strains were the most aggressive and caused 32.2 ± 0.8 mm of necrosis on average. The aggressiveness of the F. mori, F. stercicola, and especially the F. vanettenii strains was significantly lower: the average sizes of damage were 17.5 ± 0.5 mm, 17.2 ± 0.2 mm, and 12.5 ± 1.7 mm, respectively. At an incubation temperature of 5 °C, only the F. sambucinum strains caused tuber necroses in the range of 6.7 ± 0.5–15.9 ± 0.8 mm.

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Section: Discussionmentioning

confidence: 99%

Identification and Pathogenicity of Fusarium Fungi Associated with Dry Rot of Potato Tubers

Gavrilova,

Orina,

Trubin

et al. 2024

Microorganisms

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First Report of Fusarium vanettenii Causing Fusarium Root Rot in Fatsia japonica in China

Xu,

Dai,

2024

Forests

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Fatsia japonica plays an important role as a commonly used plant in urban landscaping. From 2022 to 2023, a root rot infestation was observed that caused extensive wilting of Fatsia japonica without leaf shedding and eventual death of the plant, severely reducing the ornamental qualities of the plant as well as the vigor of its growth. Fusarium species were isolated from the roots of the affected plants, exhibiting abundant and dense yellow mycelial colonies that proliferated radially from the center of the Petri dishes. Morphological examinations revealed the presence of falciform macro- and microconidia consistent with Fusarium, as well as chlamydospores characterized by their thick walls. For further identification, the amplification and sequencing of the ITS, TEF1 alpha, and RPB2 alpha genes were performed. Finally, healthy Fatsia japonica plants were inoculated with a spore suspension of the pathogen, to confirm that the disease symptoms were compatible with naturally occurring infection. Fusarium vanettenii was identified as the causative agent of Fatsia japonica root rot. To the best of our knowledge, this is the first report of F. vanettenii causing root rot of Fatsia japonica in China.

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Molecular Variability of the Fusarium solani Species Complex Associated with Fusarium Wilt of Melon in Iran

Sabahi

Banihashemi

Mirtalebi

et al. 2023

JoF

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Species of the Fusarium solani species complex (FSSC) are responsible for the Fusarium wilt disease of melon (Cucumis melo), a major disease of this crop in Iran. According to a recent taxonomic revision of Fusarium based primarily on multilocus phylogenetic analysis, Neocosmospora, a genus distinct from Fusarium sensu stricto, has been proposed to accommodate the FSSC. This study characterized 25 representative FSSC isolates from melon collected in 2009–2011 during a field survey carried out in five provinces of Iran. Pathogenicity assays showed the isolates were pathogenic on different varieties of melon and other cucurbits, including cucumber, watermelon, zucchini, pumpkin, and bottle gourd. Based on morphological characteristics and phylogenetic analysis of three genetic regions, including nrDNA internal transcribed spacer (ITS), 28S nrDNA large subunit (LSU) and translation elongation factor 1-alpha (tef1), Neocosmospora falciformis (syn. F. falciforme), N. keratoplastica (syn. F. keratoplasticum), N. pisi (syn. F. vanettenii), and Neocosmospora sp. were identified among the Iranian FSSC isolates. The N. falciformis isolates were the most numerous. This is the first report of N. pisi causing wilt and root rot disease in melon. Iranian FSSC isolates from different regions in the country shared the same multilocus haplotypes suggesting a long-distance dispersal of FSSC, probably through seeds.

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First report of root rot disease on Solanum lycopersicum L. caused by Fusarium vanettenii in India

Cited by 3 publications

References 11 publications

Identification and Pathogenicity of Fusarium Fungi Associated with Dry Rot of Potato Tubers

Identification and Pathogenicity of Fusarium Fungi Associated with Dry Rot of Potato Tubers

First Report of Fusarium vanettenii Causing Fusarium Root Rot in Fatsia japonica in China

Molecular Variability of the Fusarium solani Species Complex Associated with Fusarium Wilt of Melon in Iran

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