Frequency of a mutant allele of cytochrome b conferring resistance to Qol fungicides in the Czech population of Ramularia collo-cygni

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F10%3A00001455" target="_blank" >RIV/00027006:_____/10:00001455 - isvavai.cz</a>

Alternative codes found

RIV/25328859:_____/10:#0000502

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Frequency of a mutant allele of cytochrome b conferring resistance to Qol fungicides in the Czech population of Ramularia collo-cygni

Original language description

Ramularia collo-cygni (RCC) is a fungal pathogen infecting both spring and winter barley and causing Ramularia leaf spot (RLS). Fungicides based on strobilurin initially provided one of the best chemical solutions to manage the disease, but resistance inRCC to strobilurin developed quickly. In strobilurin-resistant RCC isolates, a single point mutation is present in the cytochrome b gene. A population of 302 single-spore isolates of RCC, all collected in the Czech Republic in 2009, was analysed using aCAPS marker. The A143 (strobilurin resistant) allele was found in 47% of the isolates. Frequency of the mutant allele was significantly affected by the application frequency of strobilurin fungicides. In locations with more frequent application of strobilurins, the frequency of the allele A143 in RCC isolates was higher (up to 100%). By contrast, in locations where strobilurin fungicides were not used the mutant allele occurred only in 0-5% of the isolates.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

GF - Diseases, pests, weeds and plant protection

OECD FORD branch

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Project

<a href="/en/project/QH91054" target="_blank" >QH91054: Ramularia leaf spot (Ramularia collo-cygni) in the Czech Republic, protection strategy, detection methods and pathogen genetic variability</a><br>

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2010

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Journal of Plant Diseases and Protection

ISSN

1861-3829

e-ISSN

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Volume of the periodical

117

Issue of the periodical within the volume

6

Country of publishing house

DE - GERMANY

Number of pages

5

Pages from-to

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UT code for WoS article

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EID of the result in the Scopus database

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