First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication

Downy mildew caused by Plasmopara halstedii significantly reduces annual yields of sunflower. At least 42 races of P. halstedii have been identified around the world. For the first time to our knowledge, races 705 and 715 of P. halstedii have been isolated, originating from sunflower plants collecte...

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Main Authors: Michaela Sedlářová, Romana Pospíchalová, Zuzana Drábková Trojanová, Tomáš Bartůšek, Lucie Slobodianová, Aleš Lebeda
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2016-09-01
Series:Plant Protection Science
Subjects:
Online Access:https://pps.agriculturejournals.cz/artkey/pps-201603-0006_first-report-of-plasmopara-halstedii-new-races-705-and-715-on-sunflower-from-the-czech-republic-short-communi.php
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author Michaela Sedlářová
Romana Pospíchalová
Zuzana Drábková Trojanová
Tomáš Bartůšek
Lucie Slobodianová
Aleš Lebeda
author_facet Michaela Sedlářová
Romana Pospíchalová
Zuzana Drábková Trojanová
Tomáš Bartůšek
Lucie Slobodianová
Aleš Lebeda
author_sort Michaela Sedlářová
collection DOAJ
description Downy mildew caused by Plasmopara halstedii significantly reduces annual yields of sunflower. At least 42 races of P. halstedii have been identified around the world. For the first time to our knowledge, races 705 and 715 of P. halstedii have been isolated, originating from sunflower plants collected at a single site (Podivín, South-East Moravia) in the Czech Republic at the beginning of June 2014. This enlarges the global number of the so far identified and reported races of P. halstedii to 44. The increasing complexity of P. halstedii pathogenicity led to race identification newly by a five-digit code. According to this new nomenclature, the two races of P. halstedii recorded in the Czech Republic are characterised by virulence profiles 705 71 and 715 71.
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spelling doaj.art-ec1550642cb44688a6c383093b9981732023-02-23T03:44:17ZengCzech Academy of Agricultural SciencesPlant Protection Science1212-25801805-93412016-09-0152318218710.17221/7/2016-PPSpps-201603-0006First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short CommunicationMichaela Sedlářová0Romana Pospíchalová1Zuzana Drábková Trojanová2Tomáš Bartůšek3Lucie Slobodianová4Aleš Lebeda5Department of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech RepublicDepartment of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech RepublicDepartment of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech RepublicDepartment of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech RepublicDepartment of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech RepublicDepartment of Botany, Faculty of Science, Palacký University in Olomouc, Olomouc, Czech RepublicDowny mildew caused by Plasmopara halstedii significantly reduces annual yields of sunflower. At least 42 races of P. halstedii have been identified around the world. For the first time to our knowledge, races 705 and 715 of P. halstedii have been isolated, originating from sunflower plants collected at a single site (Podivín, South-East Moravia) in the Czech Republic at the beginning of June 2014. This enlarges the global number of the so far identified and reported races of P. halstedii to 44. The increasing complexity of P. halstedii pathogenicity led to race identification newly by a five-digit code. According to this new nomenclature, the two races of P. halstedii recorded in the Czech Republic are characterised by virulence profiles 705 71 and 715 71.https://pps.agriculturejournals.cz/artkey/pps-201603-0006_first-report-of-plasmopara-halstedii-new-races-705-and-715-on-sunflower-from-the-czech-republic-short-communi.phphelianthus annuusresistancesunflower downy mildewvirulence formula
spellingShingle Michaela Sedlářová
Romana Pospíchalová
Zuzana Drábková Trojanová
Tomáš Bartůšek
Lucie Slobodianová
Aleš Lebeda
First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication
Plant Protection Science
helianthus annuus
resistance
sunflower downy mildew
virulence formula
title First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication
title_full First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication
title_fullStr First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication
title_full_unstemmed First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication
title_short First Report of Plasmopara halstedii New Races 705 and 715 on sunflower from the Czech Republic - Short Communication
title_sort first report of plasmopara halstedii new races 705 and 715 on sunflower from the czech republic short communication
topic helianthus annuus
resistance
sunflower downy mildew
virulence formula
url https://pps.agriculturejournals.cz/artkey/pps-201603-0006_first-report-of-plasmopara-halstedii-new-races-705-and-715-on-sunflower-from-the-czech-republic-short-communi.php
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