Races of Pyrenophora tritici-repentis in the Czech Republic

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00027006%3A_____%2F03%3A%23%23%23%23%23286" target="_blank" >RIV/00027006:_____/03:#####286 - isvavai.cz</a>

Alternative codes found

RIV/00027006:_____/03:286

Result on the web

—

DOI - Digital Object Identifier

—

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 Pyrenophora tritici-repentis v České republice

Czech description

Pyrenophora tritici-repentis, původce hnědé skvrnitosti pšenice, je celosvětově jedním z nejdůležitějších patogenů, působobících skvrnitosti. Byl studován soubor 86 monosporových izolátů patogena P. tritici-repentis, získaných z různých oblastí ČR. Podletvorby nekróz/chloróz na diferenciačním souboru, izoláty náležely k pěti rasám patogena. K rase 1, 2 a 4 náležely izoláty získané ze pšenice s frekvencí 50% pro rasu 1, 3% pro rasu 2 a 5% pro rasu 4. Reakce 30 izolátů neodpovídala žádné dosud popsanérase a bude nutné testovat je na další genotypech pšenice.

Type

D - Article in proceedings

CEP classification

GF - Diseases, pests, weeds and plant protection

OECD FORD branch

—

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

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2003

Confidentiality

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

Article name in the collection

Proceedings of the Conference "A Complex of Leaf Spot Diseases of Cereals and their Effective Control

ISBN

80-902545-8-6

ISSN

—

e-ISSN

—

Number of pages

2

Pages from-to

56-57

Publisher name

Zemědělský výzkumný ústav Kroměříž

Place of publication

Kroměříž

Event location

Kroměříž

Event date

Jul 2, 2003

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

—