About: Virulence and diversity of Blumeria graminis f.sp. hordei in East China

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About: Virulence and diversity of Blumeria graminis f.sp. hordei in East China Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Z osmi populací na čtyřech geograficky vzdálených lokalitách v Číně bylo v letech 2003 a 2004 získáno 461 izolátů Blumeria graminis f.sp. hordei. Jejich frekvence virulence byla zjišťována na 30 diferenciačních liniích. Žádný izolát nebyl virulentní ke genům rezistence Mla1, Mla3, Mla6, Mla7, Mla9, Mla12, Mla13, Mlat, Mlg, Mla10, Mla22, Mla23, Mlp1, Ml(N81) a Mlmw. V Evropě převládají virulence k prvním 9 genům rezistence a tvoří hlavní část genetické vzdálenosti mezi čínskými a evropskými populacemi. Na základě reakcí diferenciačních linií nesoucích geny Mlk1, Mlh, MlLa, Ml(Bw), Mlra a Ml(Ru2), byly identifikovány patotypy a vypočítány parametry diverzity. Úplná efektivnost genů rezistence, pro něž nebyly zjištěny žádné odpovídající virulence, umožní čínským šlechtitelům přístup k mnoha moderním evropským odrůdám ječmene, které jsou plně odolné k padlí travnímu v Číně včetně těch, které mají gen nehostitelské rezistence mlo. (cs) Four hundred and sixty-one isolates of Blumeria graminis f.sp. hordei were obtained from eight populations at four geographically distant locations in China during 2003 and 2004. Their virulence frequency was determined on 30 differential lines. No isolate was virulent to resistance genes Mla1, Mla3, Mla6, Mla7, Mla9, Mla12, Mla13, Mlat, Mlg, Mla10, Mla22, Mla23, Mlp1, Ml(N81) and Mlmw. Virulences to the first nine resistance genes are prevalent in Europe and constitute the main part of genetic distance between Chinese and European populations. Based on reactions of differential lines possessing the genes Mlk1, Mlh, MlLa, Ml(Bw), Mlra and Ml(Ru2), pathotypes were identified and diversity parameters calculated. Complete effectiveness of the resistance genes, for which no corresponding virulences were found, will allow Chinese breeders to access many modern European barley cultivars that are fully resistant to powdery mildew in China, including those possessing the nonhost resistance gene mlo. Four hundred and sixty-one isolates of Blumeria graminis f.sp. hordei were obtained from eight populations at four geographically distant locations in China during 2003 and 2004. Their virulence frequency was determined on 30 differential lines. No isolate was virulent to resistance genes Mla1, Mla3, Mla6, Mla7, Mla9, Mla12, Mla13, Mlat, Mlg, Mla10, Mla22, Mla23, Mlp1, Ml(N81) and Mlmw. Virulences to the first nine resistance genes are prevalent in Europe and constitute the main part of genetic distance between Chinese and European populations. Based on reactions of differential lines possessing the genes Mlk1, Mlh, MlLa, Ml(Bw), Mlra and Ml(Ru2), pathotypes were identified and diversity parameters calculated. Complete effectiveness of the resistance genes, for which no corresponding virulences were found, will allow Chinese breeders to access many modern European barley cultivars that are fully resistant to powdery mildew in China, including those possessing the nonhost resistance gene mlo. (en)
Title	Virulence and diversity of Blumeria graminis f.sp. hordei in East China Virulence a diverzita Blumeria graminis f.sp. hordei ve Východní Číně (cs) Virulence and diversity of Blumeria graminis f.sp. hordei in East China (en)
skos:prefLabel	Virulence and diversity of Blumeria graminis f.sp. hordei in East China Virulence a diverzita Blumeria graminis f.sp. hordei ve Východní Číně (cs) Virulence and diversity of Blumeria graminis f.sp. hordei in East China (en)
skos:notation	RIV/25328859:_____/07:#0000219!RIV08-MSM-25328859
http://linked.open.../vavai/riv/strany	357-368
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(1P05OC045), P(ME 706)
http://linked.open...iv/cisloPeriodika	4
http://linked.open...vai/riv/dodaniDat	2008
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	Agrotest fyto, s.r.o.
http://linked.open...dnocenehoVysledku	457998
http://linked.open...ai/riv/idVysledku	RIV/25328859:_____/07:#0000219
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	virulence; diversity of Blumeria graminis f.sp. hordei; East China (en)
http://linked.open.../riv/klicoveSlovo	East China diversity of Blumeria graminis f.sp. hordei virulence
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[9D6B5F1C0C19]
http://linked.open...i/riv/nazevZdroje	European Journal of Plant Pathology
http://linked.open...in/vavai/riv/obor	GF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation and use of genetic resources diversity for cheap and health-safe reduction of barley biotrophic pathogens http://linked.opendata.cz/resource/domain/vavai/projekt/ME%20706
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	117
http://linked.open...iv/tvurceVysledku	Dreiseitl, Antonín Wang, Jun-Mei
issn	0929-1873
number of pages	12 (xsd:int)

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