Analyses of mating type, response to systemic fungicides and mitochondrial DNA haplotype in Czech Phytophthora infestans isolates from 2005 and 2006

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F07%3A21356" target="_blank" >RIV/60460709:41210/07:21356 - isvavai.cz</a>

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

Analyses of mating type, response to systemic fungicides and mitochondrial DNA haplotype in Czech Phytophthora infestans isolates from 2005 and 2006

Original language description

Late blight diseased potato and tomato plants were collected from different regions of the Czech Republic in the years of 2005 and 2006. A large collection of Phytophthora infestans isolates was used in studies of the population structure of the pathogen. Mating type determination via conventional pairing test and the cleaved amplified polymorphic sequence (CAPS) analysis revealed that 74% and 26% of isolates represented the A1 and the A2 mating type, respectively. No self-fertile isolate was found. Allthe isolates appeared to be sensitive to the systemic fungicides metalaxyl, dimethomorph and propamocarb-hydrochloride as well. Analysis of mitochondrial DNA showed that the majority (83%) of isolates were haplotype Ia and the rest of isolates represented the IIa hyplotype, referring to the distribution of a new migrant population of P. infestans.

Czech name

Analýza pohlavních typů, reakce k systémovým fungicidům a haplotypů mitochondriální DNA českých izolátů Phytophtora infestans v České republice v letech 2005 a 2006

Czech description

Late blight diseased potato and tomato plants were collected from different regions of the Czech Republic in the years of 2005 and 2006. A large collection of Phytophthora infestans isolates was used in studies of the population structure of the pathogen. Mating type determination via conventional pairing test and the cleaved amplified polymorphic sequence (CAPS) analysis revealed that 74% and 26% of isolates represented the A1 and the A2 mating type, respectively. No self-fertile isolate was found. Allthe isolates appeared to be sensitive to the systemic fungicides metalaxyl, dimethomorph and propamocarb-hydrochloride as well. Analysis of mitochondrial DNA showed that the majority (83%) of isolates were haplotype Ia and the rest of isolates represented the IIa hyplotype, referring to the distribution of a new migrant population of P. infestans.

Type

D - Article in proceedings

CEP classification

GF - Diseases, pests, weeds and plant protection

OECD FORD branch

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Project

<a href="/en/project/QG50055" target="_blank" >QG50055: Potato late blight control according to varietal susceptibility to disease based on new knowledge of pathogen epidemiology with regard to environment, economical aspects of control and production quality.</a><br>

Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2007

Confidentiality

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

Article name in the collection

Advances in Downey Mildew Research, Vol. 3

ISBN

80-86636-19-4

ISSN

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e-ISSN

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Number of pages

7

Pages from-to

243-249

Publisher name

Palacký University in Olomouc and Jola, v.o.s., Kostelec na Hané, Czech Republic

Place of publication

Olomouc, Czech Republic

Event location

Olomouc, Czech Republic

Event date

Jul 2, 2007

Type of event by nationality

WRD - Celosvětová akce

UT code for WoS article

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