Correction: Phylogenetic diversity, trichothecene potential, and pathogenicity within Fusarium sambucinum species complex

Laraba, Imane; McCormick, Susan P.; Vaughan, Martha; Geiser, David M.; O’Donnell, Kerry

doi:10.1371/journal.pone.0250812

Cited by 11 publications

(1 citation statement)

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“…Fusarium sambucinum species complex (FSAMSC) includes the FGSC, F. cerealis, and F. culmorum (Laraba et al, 2021). Several taxa have been identified within the FGSC, and attempts have been made to divide this complex into phylogenetically separated species.…”

Section: Introductionmentioning

confidence: 99%

Fusarium species that cause corn stalk rot in the Ubaté valley of Cundinamarca, Colombia

Archila

Moreno²,

Gómez-Caro³

2022

Agron. Colomb.

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In recent years, corn (Zea mays L.) crops in the Colombian cold tropics located in the Ubaté valley in Cundinamarca have been affected by stalk rot with incidences up to 40%. Despite the importance of this disease, accurate diagnosis has not been conducted. The objectives of the study were to determine the causal agents of corn lodging associated with stalk rot in this corn-producing region and describe the symptoms of the disease. Two plots with stalk rot reported in the municipality of Simijaca in July 2016 were sown with the regional varieties Simijaca and Sogamoso. Plants were randomly inspected on a monthly basis for describing disease symptoms and isolating the pathogen. The Fusarium species isolated were morphologically and molecularly identified and pathogenicity tests were conducted. The disease was detected at early plant developmental stages with the combination of chlorosis, leaf anthocyanosis, and dwarfism as the main symptoms in the two corn varieties evaluated. Crown and node necrosis in longitudinal sections of the stalk and purple colorations in the crown, nodes and internodes of plants were observed 90 d after sowing. Finally, lodging occurred at any phenological stage of the crop. Fusarium spp. were isolated in all stages of plant development. Fusarium species were identified as F. graminearum in the Fusarium graminearum species complex and F. subglutinans in the Fusarium fujikuroi species complex, which have cold-climate production zones as their ecological niche. Pathogenicity tests confirmed F. graminearum and F. subglutinans as the causal agents of stalk rot in the regional corn variety Simijaca in the Ubate valley in Cundinamarca.

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Section: Introductionmentioning

confidence: 99%

Fusarium species that cause corn stalk rot in the Ubaté valley of Cundinamarca, Colombia

Archila

Moreno²,

Gómez-Caro³

2022

Agron. Colomb.

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The richness of Fusarium species in maize tassels and their relationship with Fusarium stalk rot

Arata,

Martínez,

Castañares

et al. 2023

Eur J Plant Pathol

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Genetic Diversity, Mycotoxin Profiles, and Population Structure of Fusarium spp. Associated with Fusarium Head Blight in Georgia, United States

Ghimire,

Bahri,

Martinez-Espinoza

et al. 2024

Plant Disease

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Fusarium head blight (FHB) has become a limiting factor in soft red winter wheat production in the southeast US. Recent epidemics have occurred in Georgia, however genetic information on the Fusarium species responsible for FHB is unknown. This study aimed to assess pathogen population structure and genetic diversity, trichothecene profiles, and representative pathogenicity of 196 Fusarium isolates collected from 44 wheat (n = 85) and 53 corn (n = 111) fields in Georgia. Phylogenetic analysis using the translation elongation factor 1-alpha (635 bp) and RNA polymerase second largest subunit (930 bp) sequence data resolved isolates into 185 haplotypes, representing 12 Fusarium species grouped under five species complexes. F. graminearum with 15-acetyl-deoxynivalenol (15ADON) chemotype (75.6%) and F. incarnatum (57.7%) predominated in wheat and corn, respectively, with a surprisingly higher frequency of NIV F. graminearum (21.8%). Using nine variable number of tandem repeat markers, 82 multilocus genotypes out of 86 F. graminearum isolates were identified and grouped into two genetic clusters, pop1fg (n = 29) and pop2fg (n = 32), as part of the North American populations (NA1 and NA2), but with no chemotype differentiation. F. graminearum populations in Georgia are mostly clonal and might have evolved through at least two introductions from the northeast US and Canada and local adaptation to maintain high genetic diversity. Pathogenicity of F. graminearum isolates from wheat and corn had high FHB severity (>60%) in wheat, depicting the risk they can pose towards future FHB outbreaks. Overall, this baseline study provided important information on Fusarium species diversity including F. graminearum associated with FHB in Georgia that will be useful to formulate integrated disease management incorporating improved host resistance and fungicide spray program.

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Correction: Phylogenetic diversity, trichothecene potential, and pathogenicity within Fusarium sambucinum species complex

Cited by 11 publications

References 1 publication

Fusarium species that cause corn stalk rot in the Ubaté valley of Cundinamarca, Colombia

Fusarium species that cause corn stalk rot in the Ubaté valley of Cundinamarca, Colombia

The richness of Fusarium species in maize tassels and their relationship with Fusarium stalk rot

Genetic Diversity, Mycotoxin Profiles, and Population Structure of Fusarium spp. Associated with Fusarium Head Blight in Georgia, United States

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