About: The European barley powdery mildew virulence survey and disease nursery 1993-1999

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	National barley powdery mildew virulence surveys were co-ordinated through COST817 on a European scale from 1993 to 1999 to allow comparison of results across national borders. The frequencies of virulence matching resistance genes Mla1, Mla3, Mla6, Mla7, Mla9, Mla12, Mla13, Mlk, MlLa and Mlg were moderate to high in most years and countries. Generally, no increase in aggressiveness against Mlo-resistance was detected, but change may be under way as particular isolates of British origin gave higher infection levels on Mlo-resistant varieties than did other groups of isolates. Multi-location field trials were established in 1998 and 1999 in order to study powdery mildew resistance in barley genotypes in different environments. The trials showed large interactions of location and phenotypic expression of the resistance. National barley powdery mildew virulence surveys were co-ordinated through COST817 on a European scale from 1993 to 1999 to allow comparison of results across national borders. The frequencies of virulence matching resistance genes Mla1, Mla3, Mla6, Mla7, Mla9, Mla12, Mla13, Mlk, MlLa and Mlg were moderate to high in most years and countries. Generally, no increase in aggressiveness against Mlo-resistance was detected, but change may be under way as particular isolates of British origin gave higher infection levels on Mlo-resistant varieties than did other groups of isolates. Multi-location field trials were established in 1998 and 1999 in order to study powdery mildew resistance in barley genotypes in different environments. The trials showed large interactions of location and phenotypic expression of the resistance. (en)
Title	The European barley powdery mildew virulence survey and disease nursery 1993-1999 The European barley powdery mildew virulence survey and disease nursery 1993-1999 (en)
skos:prefLabel	The European barley powdery mildew virulence survey and disease nursery 1993-1999 The European barley powdery mildew virulence survey and disease nursery 1993-1999 (en)
skos:notation	RIV/46904841:_____/00:00000016!RIV/2003/GA0/ZVUKM3/N
http://linked.open.../vavai/riv/strany	729-743
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA522/00/1062)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2003
http://linked.open...aciTvurceVysledku	Dreiseitl, Antonín
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Zemědělský výzkumný ústav Kroměříž, s.r.o.
http://linked.open...dnocenehoVysledku	710597
http://linked.open...ai/riv/idVysledku	RIV/46904841:_____/00:00000016
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	European survey, disease nursery, virulence, partial resistance (en)
http://linked.open.../riv/klicoveSlovo	virulence partial resistance European survey disease nursery
http://linked.open...ontrolniKodProRIV	[42F78043A609]
http://linked.open...i/riv/nazevZdroje	Agronomie
http://linked.open...in/vavai/riv/obor	GF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	18 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...vavai/riv/projekt	Effects of adaptation mechanisms on the structure of the Blumeria graminis f.sp. Hordei population
http://linked.open...UplatneniVysledku	2000
http://linked.open...v/svazekPeriodika	20
http://linked.open...iv/tvurceVysledku	Dreiseitl, Antonín
issn	0249-5627
number of pages	15 (xsd:int)

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