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oapen-20.500.12657-615072024-03-27T14:14:33Z Understanding plant-pathogen interactions in Septoria tritici blotch infection of cereals Petit-Houdenot, Y. Lebrun, Marc-Henri Scalliet, G. Zymoseptoria tritici epidemics genomics wheat resistance fungicides thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVK Agronomy and crop production thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVF Sustainable agriculture thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TV Agriculture and farming::TVP Pest control / plant diseases Zymoseptoria is a major fungal pathogen of wheat, responsible for the Septoria Tritici Blotch (STB) disease. Recently, STB has been the subject of intensive molecular studies. Notably, massive transcriptomic analyses have helped to explore this particular bi-phasic (asymptomatic/necrotrophic) infection process. Cytological analyses have also improved our understanding of the asymptomatic phase. These advances suggest that Zymoseptoria behaves as a hemi-biotrophic fungus, acting like an endophyte during its asymptomatic phase. STB is still difficult to control. The emergence of fungicide-resistant isolates has reduced the efficacy of many fungicides requiring the development of novel fungicides and methods to counteract/reduce fungicide resistance. Likewise, because Stb-resistant wheat cultivars have all been successively defeated by virulent isolates, there is a need to identify new resistance genes in wheat, and to develop better disease resistance management methods (pyramiding, mixture/alternation) to sustainably control this pathogen. 2023-02-27T12:21:28Z 2023-02-27T12:21:28Z 2021 chapter ONIX_20230227_9781801462495_24 9781801462495 https://library.oapen.org/handle/20.500.12657/61507 eng Burleigh Dodds Series in Agricultural Science application/pdf Attribution 4.0 International 9781801462495_web.pdf Burleigh Dodds Science Publishing Burleigh Dodds Science Publishing 10.19103/AS.2021.0092.10 10.19103/AS.2021.0092.10 9f8f6c63-e2ae-40b8-8aac-316abb377d6a 9781801462495 Burleigh Dodds Science Publishing 40 Cambridge open access
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Zymoseptoria is a major fungal pathogen of wheat, responsible for the Septoria Tritici Blotch (STB) disease. Recently, STB has been the subject of intensive molecular studies. Notably, massive transcriptomic analyses have helped to explore this particular bi-phasic (asymptomatic/necrotrophic) infection process. Cytological analyses have also improved our understanding of the asymptomatic phase. These advances suggest that Zymoseptoria behaves as a hemi-biotrophic fungus, acting like an endophyte during its asymptomatic phase. STB is still difficult to control. The emergence of fungicide-resistant isolates has reduced the efficacy of many fungicides requiring the development of novel fungicides and methods to counteract/reduce fungicide resistance. Likewise, because Stb-resistant wheat cultivars have all been successively defeated by virulent isolates, there is a need to identify new resistance genes in wheat, and to develop better disease resistance management methods (pyramiding, mixture/alternation) to sustainably control this pathogen.
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