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Screening of durum wheat (Triticum turgidum L. subsp. durum (Desf.) Husn.) Italian cultivars for susceptibility to fusarium head blight incited by Fusarium graminearum

Creator: Bentivenga, G.
Creator: Spina, A.
Creator: Ammar, K.
Creator: Allegra, M.
Creator: Cacciola, S.O.
Year: 2021
Language: English
Publisher: MDPI
Copyright: CIMMYT manages Intellectual Assets as International Public Goods. The user is free to download, print, store and share this work. In case you want to translate or create any other derivative work and share or distribute such translation/derivative work, please contact indicating the work you want to use and the kind of use you intend; CIMMYT will contact you with the suitable license for that purpose
Type: Article
Place of Publication: Basel (Switzerland)
Issue: 1
Volume: 10
DOI: 10.3390/plants10010068
Keywords: Phenotypic Traits
Keywords: FHB Index
Keywords: Flowering Biology
Keywords: Plant Height
Keywords: Qualitative Features
Description: In 2009, a set of 35 cultivars of durum wheat (Triticum turgidum L. subsp. durum (Desf.) Husn.) of Italian origin was screened for fusarium head blight (FHB) susceptibility at CIMMYT (Mexico) and in the 2019–20 cropping season, 16 of these cultivars, which had been included in the Italian National Plant Variety Register, were tested again in southern and northern Italy. Wheat cultivars were artificially inoculated during anthesis with a conidial suspension of Fusarium graminearum sensu lato using a standard spray inoculation method. Inoculum was a mixture of mono-conidial isolates sourced in the same areas where the trials were performed. Isolates had been characterized on the basis of morphological characteristics and by DNA PCR amplification using a specific primer set and then selected for their virulence and ability to produce mycotoxins. The susceptibility to FHB was rated on the basis of the disease severity, disease incidence and FHB index. Almost all of the tested cultivars were susceptible or very susceptible to FHB with the only exception of “Duprì”, “Tiziana” and “Dylan” which proved to be moderately susceptible. The susceptibility to FHB was inversely correlated with the plant height and flowering biology, the tall and the late heading cultivars being less susceptible.
Agrovoc: HEIGHT
ISSN: 2223-7747
Journal: Plants
Article number: 68

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  • Wheat
    Wheat - breeding, phytopathology, physiology, quality, biotech

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