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Genotypic diversity in barley powdery mildew populations in northern France

Diversity in populations of Erysiphe graminis (Blumeria graminis) f.sp. hordei was studied with virulence and molecular markers. Isolates were sampled in two locations in northern France from a winter barley cultivar (Plaisant) and a spring cultivar (Caruso). Only a few pathotypes (determined by vir...

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Published in:Plant pathology 1999-10, Vol.48 (5), p.582-587
Main Authors: Caffier, V, Brandle, U.E, Wolfe, M.S
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description Diversity in populations of Erysiphe graminis (Blumeria graminis) f.sp. hordei was studied with virulence and molecular markers. Isolates were sampled in two locations in northern France from a winter barley cultivar (Plaisant) and a spring cultivar (Caruso). Only a few pathotypes (determined by virulence markers) were common. The rest of the population was diverse. Diversity within common pathotypes, estimated by five RAPD and two SCAR markers, was generally high, except for one pathotype, which was frequent on Plaisant. This pathotype carried only one virulence, Va22, out of the 11 virulences tested. It appeared as a clonal lineage, which had occurred previously, at least in 1992, in northern France, demonstrating survival of asexual lineages in populations that often reproduce sexually.
doi_str_mv 10.1046/j.1365-3059.1999.00381.x
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Isolates were sampled in two locations in northern France from a winter barley cultivar (Plaisant) and a spring cultivar (Caruso). Only a few pathotypes (determined by virulence markers) were common. The rest of the population was diverse. Diversity within common pathotypes, estimated by five RAPD and two SCAR markers, was generally high, except for one pathotype, which was frequent on Plaisant. This pathotype carried only one virulence, Va22, out of the 11 virulences tested. 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Plant and forest protection</subject><subject>population</subject><subject>population genetics</subject><subject>random amplified polymorphic DNA technique</subject><subject>RAPD</subject><subject>SCAR</subject><subject>sequence characterized amplified regions</subject><subject>Variation, races, biotypes, parasitic specialization, genetics</subject><subject>virulence</subject><issn>0032-0862</issn><issn>1365-3059</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqNkMtu3CAYRlHUSp2mfYZaVTZZ2P25GIPUzSjKTR2pkdqsEWYgYeQYBzyZ-O2D6yjZdsXtfB9wECowVBgY_7GrMOV1SaGWFZZSVgBU4Or5CK3eDj6gVd4lJQhOPqHPKe0AcC2lWKFfl7YP4zR4U2z9k43Jj1Ph-6LVsbNTMYTD1sapePDd1h7ycth3evShTzPUhzje29gXF1H3xn5BH53ukv36Oh6j24vzv2dX5eb35fXZelMaRhguG1MTazlpnZEtAaolaMaxIMQw6kA45rDQlGFmaCugMY3M3BZa4oRzltNjdLr03utODdE_6DipoL26Wm_UvAeEy6bB7Aln9vvCDjE87m0a1S7sY5-fpwjmAlgtmgyJBTIxpBSte2vFoGbLaqdmmWqWqWbL6p9l9ZyjJ6_9OhnduVmET-95yRnFMmM_F-zgs9b_rlc3N-s8yfFvS9zpoPRdzDfc_iGAKRDJ8h8YfQE1fpgD</recordid><startdate>199910</startdate><enddate>199910</enddate><creator>Caffier, V</creator><creator>Brandle, U.E</creator><creator>Wolfe, M.S</creator><general>Blackwell Science Ltd</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><general>Wiley</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7T7</scope><scope>7U9</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H94</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0002-2388-3630</orcidid></search><sort><creationdate>199910</creationdate><title>Genotypic diversity in barley powdery mildew populations in northern France</title><author>Caffier, V ; Brandle, U.E ; Wolfe, M.S</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4241-7c52ee62bfc9b203a90a461822c43f08f4f18a3414c3b807c799b2d0b2f8ffe63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>barley</topic><topic>Biological and medical sciences</topic><topic>Blumeria graminis</topic><topic>cultivars</topic><topic>Erysiphe graminis f. sp. hordei</topic><topic>Fundamental and applied biological sciences. 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Isolates were sampled in two locations in northern France from a winter barley cultivar (Plaisant) and a spring cultivar (Caruso). Only a few pathotypes (determined by virulence markers) were common. The rest of the population was diverse. Diversity within common pathotypes, estimated by five RAPD and two SCAR markers, was generally high, except for one pathotype, which was frequent on Plaisant. This pathotype carried only one virulence, Va22, out of the 11 virulences tested. It appeared as a clonal lineage, which had occurred previously, at least in 1992, in northern France, demonstrating survival of asexual lineages in populations that often reproduce sexually.</abstract><cop>Oxford, U.K. and Cambridge, USA</cop><pub>Blackwell Science Ltd</pub><doi>10.1046/j.1365-3059.1999.00381.x</doi><tpages>6</tpages><orcidid>https://orcid.org/0000-0002-2388-3630</orcidid></addata></record>
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subjects barley
Biological and medical sciences
Blumeria graminis
cultivars
Erysiphe graminis f. sp. hordei
Fundamental and applied biological sciences. Psychology
Fungal plant pathogens
genetic markers
genetic variation
Hordeum vulgare
Life Sciences
molecular markers
pathotypes
Phytopathology. Animal pests. Plant and forest protection
population
population genetics
random amplified polymorphic DNA technique
RAPD
SCAR
sequence characterized amplified regions
Variation, races, biotypes, parasitic specialization, genetics
virulence
title Genotypic diversity in barley powdery mildew populations in northern France
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