Zearalenone production in wheat cultivars infected with the fungus<Emphasis Type="Underline">Fusarium</Emphasis><Emphasis Type="Underline">graminearum</Emphasis> Schwabe |
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Authors: | Marta Bukovčáková Antonía Šrobárová Igor Vozár |
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Institution: | 1.Institute of Experimental Phytopathology and Entomology,Slovak Academy of Sciences,Ivanka pri Dunaji,?SFR |
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Abstract: | In wheat plants of the eultivars “Danubia”, “Agra”, “Selekta” and “Jubilejna” the fungusFusarium graminsarum Schwabe produced toxic metabolite zearalenone/F-2/ which simultaneously influenced the development of plants characterized by a lower germinating capacity, a reduced growth rate and a higher production of side branches. The presence ofFusarium graminearum was confirmed only in infected plants after plating of organs (root, stem base, stem) and soil on agar medium. The mycotoxin production is dependent on the pathogen development in host plants. The F-2 level progressed from the root into the soil, stem base and stem. The highest F-2 production was identified in cultivar “Selekta” the lowest in cultivar “Danubia”. The highest F-2 level (in all wheat eultivars) was identified in the stem base. |
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