2020
DOI: 10.1002/tpg2.20023
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Genome‐wide association mapping of Fusarium langsethiae infection and mycotoxin accumulation in oat (Avena sativa L.)

Abstract: Fusarium langsethiae is a symptomless pathogen of oat panicles that produces T-2 and HT-2 mycotoxins, two of the most potent trichothecenes produced by Fusarium fungi in cereals. In the last few years, the levels of these mycotoxin in oat grain has increased and the European commission have already recommended a maximum level for of 1000 μg kg −1 for unprocessed oat for human consumption. The optimal and most sustainable way of combating infection and mycotoxin contamination is by releasing resistant oat varie… Show more

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Cited by 15 publications
(12 citation statements)
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“…In previous research conducted on large panels of oat lines based on DArT or GBS markers, a weak population structure within the analyzed accessions has been observed [ 30 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 ]. Authors have claimed that oat, despite having four recognizable types (naked, covered, spring, and winter), has not shown an obvious structure of a population.…”
Section: Discussionmentioning
confidence: 99%
“…In previous research conducted on large panels of oat lines based on DArT or GBS markers, a weak population structure within the analyzed accessions has been observed [ 30 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 ]. Authors have claimed that oat, despite having four recognizable types (naked, covered, spring, and winter), has not shown an obvious structure of a population.…”
Section: Discussionmentioning
confidence: 99%
“…The resistance against FHB is known to be complex and impacted by several minor genes. Only a few quantitative trait loci (QTL) are currently determined against FHB in oats ( Bjørnstad et al, 2017 , Isidro-Sánchez et al., 2020 ). In contrast to previous genetic studies that are based on heavy field phenotyping, the phenotyping method presented in this study provides information from the specific plant tissue.…”
Section: Discussionmentioning
confidence: 99%
“…The resistance of oats to both DON ( Tekle et al., 2018 ) and T-2/HT-2-producing fungi ( Isidro-Sánchez et al., 2020 ) can be assessed in artificially inoculated field trials but several trials are needed to get consistent cultivar rankings ( Tekle et al., 2018 ; Hautsalo et al., 2020 ). Controlled environments can provide more consistent estimates for the disease, but these results do not necessarily fit for selecting cultivars that would have resistance in variable field conditions ( Hautsalo et al., 2020 ) due to the complex nature of FHB disease resistance.…”
Section: Introductionmentioning
confidence: 99%
“…F. langsethiae Fe2391 strain was selected as this strain, originating from the UK, has been previously characterized as potent producer of T-2 and HT-2 toxin [ 6 , 29 ].…”
Section: Methodsmentioning
confidence: 99%