Preprint Article Version 1 This version is not peer-reviewed

Evaluation of Brachypodium spp. System Model Against Fusarium poae

Version 1 : Received: 24 September 2024 / Approved: 25 September 2024 / Online: 26 September 2024 (07:41:30 CEST)

How to cite: Arroyo, F.; Martínez, M.; Arata, A.; MORENO, M. V.; Dufresne, M.; Stenglein, S.; Dinolfo, M. I. Evaluation of Brachypodium spp. System Model Against Fusarium poae. Preprints 2024, 2024092087. https://doi.org/10.20944/preprints202409.2087.v1 Arroyo, F.; Martínez, M.; Arata, A.; MORENO, M. V.; Dufresne, M.; Stenglein, S.; Dinolfo, M. I. Evaluation of Brachypodium spp. System Model Against Fusarium poae. Preprints 2024, 2024092087. https://doi.org/10.20944/preprints202409.2087.v1

Abstract

Cereal crops are affected by one of the most devastating diseases worldwide, known as Fusarium head blight (FHB), with Fusarium graminearum being the most isolated causal pathogen. Another species associated to this disease is Fusarium poae. This species has been considered a relatively weak pathogen compared to F. graminearum, but its importance has increased for its occurrence in cereal grains worldwide. Considering the advantages of using B. distachyon as a plant model and the importance of F. poae in crops, our study aimed to evaluate the potential use of Brachypodium as a plant model to evaluate the compatible interaction with F. poae. For this, 12 Brachypodium spp. accessions from different countries were inoculated with a selected F. poae set of isolates. Disease severity, conidial quantification, fungal DNA biomass, and nivalenol quantification were assessed. The results showed a compatible interaction between Brachypodium accessions and Fusarium poae, which allowed the use of the model plant for future plant-pathogen interaction studies.

Keywords

plant-pathogen interactions, Fusarium poae, disease severity, Brachypodium spp.

Subject

Biology and Life Sciences, Plant Sciences

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