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Races of Pyrenophora tritici-repentis in the Czech Republic

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F05%3A122" target="_blank" >RIV/00027006:_____/05:122 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Races of Pyrenophora tritici-repentis in the Czech Republic

  • Original language description

    Pyrenophora tritici-repentis, causal agent of tan spot, is one of the most important wheat leaf spot pathogens worldwide. The race structure of P. tritici-repentis isolates obtained from wheat (except one from noncereal grass species) in the Czech Republic was studied. The 86 monosporic isolates of P. tritici-repentis originated from different parts of the Czech Republic were grouped into five known races based on necrosis/chlorosis induction on standard differentials (Katepwa, Glenlea, 6B365, Salamouni). The isolates recovered from wheat were races 1, 2 and 4. Race 1 was the most frequent (50%), races 2 and 4 were found rarely (3% and 5% respectively). The isolate of P. tritici-repentis recovered from noncereal grass species was determined as race 4 which seems to be typical for noncereal hosts. The reaction of 30 isolates (42%) was difficult to be compared to reactions of so far identified P. tritici-repentis races. They have to be tested again on additional wheat genotypes.

  • Czech name

    Rasy patogena of Pyrenophora tritici-repentis v České republice

  • Czech description

    Pyrenophora tritici-repentis, původce světle hnědé listové skvrnitosti pšenice, je jedním z nejdůležitějších původců listových skvrnitostí na světě. Byla zkoumána struktura ras izolátů patogena, získaných z území ČR ze pšenice (plus jeden izolát z jiné plodiny). Celkem 86 monosporových izolátů patogena, získaných z různých oblastí ČR bylo přičleněno k pěti rasám na základě tvorby nekróz nebo chloróz na diferenciačním souboru (Katepwa, Glenlea, 6B365, Salamouni). Izoláty ze pšenice náležely k rasám 1,2 a4. Rasa 1 byla identifikována nejčastěji (50%), rasy 2 a 4 byly zastoupeny ve 3% a 5%. K rase 4 náležel izolát z neobilovinové trávy, což se zdá být typické pro tyto hostitele. Reakce 30 izolátů (42%) neodpovídala reakcím dosud identifikovaných ras. Jenutné testovat je znovu na dalších genotypech pšenice.

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    GF - Diseases, pests, weeds and plant protection

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GA521%2F06%2F1544" target="_blank" >GA521/06/1544: Study of the variability of Pyrenophora sp. in the Czech Republic</a><br>

  • Continuities

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

Others

  • Publication year

    2005

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Acta Agrobotanica

  • ISSN

    0065-0951

  • e-ISSN

  • Volume of the periodical

  • Issue of the periodical within the volume

    58

  • Country of publishing house

    PL - POLAND

  • Number of pages

    6

  • Pages from-to

    73-78

  • UT code for WoS article

  • EID of the result in the Scopus database