Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum

Progression of deoxynivalenol (DON) concentrations in spikes and kernels was studied in relation to Fusarium head blight (FHB) symptoms in five winter wheat cultivars, differing in resistance to FHB, after single floret inoculation with an aggressive isolate of Fusarium culmorum. After inoculation i...

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Main Authors: Jana Chrpová, Václav Šíp, Eva Matějová, Světlana Sýkorová
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2006-12-01
Series:Czech Journal of Genetics and Plant Breeding
Subjects:
Online Access:https://cjgpb.agriculturejournals.cz/artkey/cjg-200604-0005_progression-of-deoxynivalenol-concentrations-in-spikes-and-kernels-of-winter-wheat-cultivars-after-inoculation.php
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author Jana Chrpová
Václav Šíp
Eva Matějová
Světlana Sýkorová
author_facet Jana Chrpová
Václav Šíp
Eva Matějová
Světlana Sýkorová
author_sort Jana Chrpová
collection DOAJ
description Progression of deoxynivalenol (DON) concentrations in spikes and kernels was studied in relation to Fusarium head blight (FHB) symptoms in five winter wheat cultivars, differing in resistance to FHB, after single floret inoculation with an aggressive isolate of Fusarium culmorum. After inoculation in field conditions the spikes were detached from the plant and kept in the greenhouse under controlled conditions. High concentrations of DON were detected in susceptible cultivars at an early stage of pathogenesis (7 days after inoculation). Over the whole examined 21-day period and also at maturity spikes contained more DON than kernels. While differences between cultivars in the accumulation of DON were highly expressed already 7 days after inoculation, differences in symptomatic reactions were not clear until day 21. Owing to the reported crucial role of DON at early stages of pathogenesis, the importance of appropriate timing of fungicide application is highly stressed.
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spelling doaj.art-0a67a35501434f57af1a4821e0cf46212023-02-23T03:29:14ZengCzech Academy of Agricultural SciencesCzech Journal of Genetics and Plant Breeding1212-19751805-93252006-12-0142413714110.17221/3644-CJGPBcjg-200604-0005Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorumJana Chrpová0Václav Šíp1Eva Matějová2Světlana Sýkorová3Research Institute of Crop Production, Prague-Ruzyně, Czech RepublicResearch Institute of Crop Production, Prague-Ruzyně, Czech RepublicResearch Institute of Crop Production, Prague-Ruzyně, Czech RepublicResearch Institute of Crop Production, Prague-Ruzyně, Czech RepublicProgression of deoxynivalenol (DON) concentrations in spikes and kernels was studied in relation to Fusarium head blight (FHB) symptoms in five winter wheat cultivars, differing in resistance to FHB, after single floret inoculation with an aggressive isolate of Fusarium culmorum. After inoculation in field conditions the spikes were detached from the plant and kept in the greenhouse under controlled conditions. High concentrations of DON were detected in susceptible cultivars at an early stage of pathogenesis (7 days after inoculation). Over the whole examined 21-day period and also at maturity spikes contained more DON than kernels. While differences between cultivars in the accumulation of DON were highly expressed already 7 days after inoculation, differences in symptomatic reactions were not clear until day 21. Owing to the reported crucial role of DON at early stages of pathogenesis, the importance of appropriate timing of fungicide application is highly stressed.https://cjgpb.agriculturejournals.cz/artkey/cjg-200604-0005_progression-of-deoxynivalenol-concentrations-in-spikes-and-kernels-of-winter-wheat-cultivars-after-inoculation.phpfusarium head blightsymptomsaccumulation of deoxynivalenolresistancewinter wheat
spellingShingle Jana Chrpová
Václav Šíp
Eva Matějová
Světlana Sýkorová
Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum
Czech Journal of Genetics and Plant Breeding
fusarium head blight
symptoms
accumulation of deoxynivalenol
resistance
winter wheat
title Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum
title_full Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum
title_fullStr Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum
title_full_unstemmed Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum
title_short Progression of Deoxynivalenol Concentrations in Spikes and Kernels of Winter Wheat Cultivars after Inoculation with Fusarium culmorum
title_sort progression of deoxynivalenol concentrations in spikes and kernels of winter wheat cultivars after inoculation with fusarium culmorum
topic fusarium head blight
symptoms
accumulation of deoxynivalenol
resistance
winter wheat
url https://cjgpb.agriculturejournals.cz/artkey/cjg-200604-0005_progression-of-deoxynivalenol-concentrations-in-spikes-and-kernels-of-winter-wheat-cultivars-after-inoculation.php
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