Rupp, Sofia Isabell: Pathogen defense mechanisms against Verticillium longisporum in Brassica napus L. : investigation on the role of sulfur-containing compounds. Hannover : Gottfried Wilhelm Leibniz Universität, Diss., 2020, V, 216 S. DOI: https://doi.org/10.15488/9871
Zusammenfassung: | |
Reduction in atmospheric sulfur deposition and the use of low-sulfur fertilizers in an intensified agriculture have led to a widespread nutrient disturbance in the crop production. Sulfur deficiency was observed and in parallel a higher susceptibility to biotic stresses. Sulfur-enhanced defense compounds were postulated. Recently, the spread of fungal pathogens such as Verticillium longisporum, a soil borne pathogenic fungus was observed resulting in high yield losses in the plant family Brassicaceae. This pathogen preferably infects the high sulfur-demanding crop species Brassica napus L. by entering through the roots and spreading via the xylem. Defense response of plants are linked to sulfur-containing compounds including glucosinolates (GSLs), whereby abiotic and biotic stress factors can cause increased synthesis rates. A number of biological processes such as innate immunity in plants are under circadian control. Therefore, pathogens seem to carry out their attacks at specific time periods during the day. | |
Lizenzbestimmungen: | CC BY 3.0 DE |
Publikationstyp: | DoctoralThesis |
Publikationsstatus: | publishedVersion |
Erstveröffentlichung: | 2020 |
Die Publikation erscheint in Sammlung(en): | Naturwissenschaftliche Fakultät Dissertationen |
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