Fusarium nirenbergiae (Fusarium oxysporum Species Complex) Causing the Wilting of Passion Fruit in Italy

Aiello, Dalia; Fiorenza, Alberto; Leonardi, Giuseppa Rosaria; Vitale, A.; Polizzi, G.

doi:10.3390/plants10102011

Cited by 15 publications

(7 citation statements)

References 24 publications

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“…The third lineage includes five isolates that did not cluster with any of the reference species used for the phylogenetic analyses and that were defined as F. oxysporum sensu lato. Fusarium nirenbergiae belongs to the FOSC, and it is reported as a pathogen on saffron in China [30] and on passionfruit in Italy [41]. It was recently described as a pathogen in maize in China [19], and our study represents the first finding of this species as a maize pathogen in Italy.…”

Section: Discussionsupporting

confidence: 52%

Diversity and Pathogenicity of Fusarium Species Associated with Stalk and Crown Rot in Maize in Northern Italy

Sanna,

Martino,

Guarnaccia

et al. 2023

Plants

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The genus Fusarium includes several agronomically important and toxin-producing species that are distributed worldwide and can cause a wide range of diseases. Crown and stalk rot and grain infections are among the most severe symptoms that Fusarium spp. can cause in maize. Disease development usually occurs during germination, but it may also affect the later phases of plant growth. The purpose of this study was to investigate the diversity and pathogenicity of 41 isolates recovered from symptomatic seedlings collected in Northern Italy and seeds of five different geographical origins in 2019 and 2020. The pathogenicity was tested and confirmed in 23 isolates causing rotting in maize seedlings, with disease indexes from 20% to 90%. A multilocus phylogeny analysis based on four genomic loci (tef1-α, rpb2, calm and tub2) was performed on 23 representative isolates. Representative isolates were identified as species belonging to three species complexes (SC), including Fusarium verticillioides and F. annulatum in the F. fujikuroi SC. Fusarium commune was identified in the F. nisikadoi SC, and three different lineages were found in the Fusarium oxysporum SC. This study reports F. annulatum and two lineages of the Fusarium oxysporum SC as maize pathogens for the first time in Italy.

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Section: Discussionsupporting

confidence: 52%

Diversity and Pathogenicity of Fusarium Species Associated with Stalk and Crown Rot in Maize in Northern Italy

Sanna,

Martino,

Guarnaccia

et al. 2023

Plants

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“…Sanna et al [29] investigated Fusarium species associated with post-emergence damping-off and root rot in maize and found that F. nirenbergiae caused a disease index of over 50% in some maize areas of Italy, as did F. verticilloides, F. annulatum and F. commune. Aiello et al [35] identified F. nirenbergiae as the cause of root rot and wilt in passion fruit plants. 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).…”

Section: Dry Root Weigth 2022 2023mentioning

confidence: 99%

<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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“…The expansion of passion fruit cultivation faces several challenges, notably diseases that can lead to total crop loss. Passion fruit is susceptible to a variety of diseases caused by fungi, viruses, and bacteria, which can induce symptoms such as wilting, leaf spotting, and fruit rot, among others (Aiello et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Integrating the Classical and Molecular Approaches Toward Passion Fruit Resistance Against CABMV

de Oliveira,

Viana,

Cavalcante

et al. 2024

Preprint

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Passion fruit, a tropical species cultivated across various nations, faces challenges in expanding its cultivation areas due to several constraints, including total crop losses, caused by the fruit woodiness virus. In Brazil, this condition is attributed to the cowpea aphid-borne mosaic virus (CABMV), and currently, no passion fruit cultivars are resistant to this virus. This research aimed to assess the resistance to CABMV within the third backcross generation (BC3) of passion fruit, employing both phenotypic and genotypic methodologies to identify the most promising families and genotypes. The study utilized a randomized block design and a rating scale to evaluate the manifestation of virus symptoms, facilitating the estimation of the area under the disease progress curve. The 'disease resistance' trait was analyzed using mixed models to estimate variance components through Restricted Maximum Likelihood (REML) and to predict selection gains via Best Unbiased Linear Prediction (BLUP). Twenty-seven microsatellite markers (SSR) were applied to determine the genetic distances among 95 genotypes within the studied population. These SSR markers were effective in differentiating the evaluated groups. Among the top 30 genotypes ranked for CABMV resistance, four genotypes from different families exhibited superior traits, making them suitable candidates for the next backcross generation.

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Fusarium nirenbergiae (Fusarium oxysporum Species Complex) Causing the Wilting of Passion Fruit in Italy

Cited by 15 publications

References 24 publications

Diversity and Pathogenicity of Fusarium Species Associated with Stalk and Crown Rot in Maize in Northern Italy

Diversity and Pathogenicity of Fusarium Species Associated with Stalk and Crown Rot in Maize in Northern Italy

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

Integrating the Classical and Molecular Approaches Toward Passion Fruit Resistance Against CABMV

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