Virulence Variability of Puccinia coronata f. sp. avenae Isolates Collected in Three Counties from Rio Grande do Sul State, Brazil
Using isolates collected in three counties of Rio Grande do Sul State, Brazil, the goals of this work were to determine (i) the pattern of virulence or avirulence of the isolates to 25 Pc resistance genes, (ii) the similarity in virulence among Puccinia coronata f. sp. avenae isolates considering th...
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| Veröffentlicht in: | Plant disease 2007, Vol.91 (1), p.66-70 |
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| creator | Vieira, E.A Carvalho, F.I.F Chaves, M.S Oliveira, A.C. de Benin, G Hartwig, I Silva, J.A.G Bertan, I Martins, A.F Martins, L.F |
| description | Using isolates collected in three counties of Rio Grande do Sul State, Brazil, the goals of this work were to determine (i) the pattern of virulence or avirulence of the isolates to 25 Pc resistance genes, (ii) the similarity in virulence among Puccinia coronata f. sp. avenae isolates considering their pattern of virulence or avirulence, (iii) the race code for each isolate by the North American system of nomenclature, and (iv) the supplemental Pc genes potentially useful as local differentials for P. coronata f. sp. avenae races. The results indicate that the southern Brazilian rust isolates presented a high level of virulence, because 66% of inoculations manifested the high infection type. Only the Pc 68 gene was effective against all tested isolates. In general, each isolate presented a different pattern of virulence or avirulence, which indicates the high variability for virulence that the fungus presents at the sampled sites. However, the North American system of nomenclature was not completely sufficient in distinguishing southern Brazilian races. Thus, the genes Pc 36, Pc 53, Pc 55, and Pc 63 represent a possible gene combination to be incorporated into the North American system of nomenclature. |
| doi_str_mv | 10.1094/PD-91-0066 |
| format | Article |
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The results indicate that the southern Brazilian rust isolates presented a high level of virulence, because 66% of inoculations manifested the high infection type. Only the Pc 68 gene was effective against all tested isolates. In general, each isolate presented a different pattern of virulence or avirulence, which indicates the high variability for virulence that the fungus presents at the sampled sites. However, the North American system of nomenclature was not completely sufficient in distinguishing southern Brazilian races. Thus, the genes Pc 36, Pc 53, Pc 55, and Pc 63 represent a possible gene combination to be incorporated into the North American system of nomenclature.</description><identifier>ISSN: 0191-2917</identifier><identifier>EISSN: 1943-7692</identifier><identifier>DOI: 10.1094/PD-91-0066</identifier><identifier>PMID: 30781068</identifier><identifier>CODEN: PLDIDE</identifier><language>eng</language><publisher>St. Paul, MN: American Phytopathological Society</publisher><subject>Avena sativa ; Biological and medical sciences ; disease resistance ; Fundamental and applied biological sciences. Psychology ; Fungal plant pathogens ; gene-for-gene relationship ; genes ; genetic markers ; genetic resistance ; genotype ; geographical variation ; host plants ; oats ; pathogen identification ; Phytopathology. Animal pests. Plant and forest protection ; plant pathogenic fungi ; Puccinia coronata ; rust diseases ; strain differences ; strains ; virulence</subject><ispartof>Plant disease, 2007, Vol.91 (1), p.66-70</ispartof><rights>2007 INIST-CNRS</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-ce56cab851a982cb356dc88859650cd8121d673a2b93fc3bddb9727c4721f1ae3</citedby><cites>FETCH-LOGICAL-c408t-ce56cab851a982cb356dc88859650cd8121d673a2b93fc3bddb9727c4721f1ae3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,3723,4023,27922,27923,27924</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18510060$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30781068$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vieira, E.A</creatorcontrib><creatorcontrib>Carvalho, F.I.F</creatorcontrib><creatorcontrib>Chaves, M.S</creatorcontrib><creatorcontrib>Oliveira, A.C. de</creatorcontrib><creatorcontrib>Benin, G</creatorcontrib><creatorcontrib>Hartwig, I</creatorcontrib><creatorcontrib>Silva, J.A.G</creatorcontrib><creatorcontrib>Bertan, I</creatorcontrib><creatorcontrib>Martins, A.F</creatorcontrib><creatorcontrib>Martins, L.F</creatorcontrib><title>Virulence Variability of Puccinia coronata f. sp. avenae Isolates Collected in Three Counties from Rio Grande do Sul State, Brazil</title><title>Plant disease</title><addtitle>Plant Dis</addtitle><description>Using isolates collected in three counties of Rio Grande do Sul State, Brazil, the goals of this work were to determine (i) the pattern of virulence or avirulence of the isolates to 25 Pc resistance genes, (ii) the similarity in virulence among Puccinia coronata f. sp. avenae isolates considering their pattern of virulence or avirulence, (iii) the race code for each isolate by the North American system of nomenclature, and (iv) the supplemental Pc genes potentially useful as local differentials for P. coronata f. sp. avenae races. The results indicate that the southern Brazilian rust isolates presented a high level of virulence, because 66% of inoculations manifested the high infection type. Only the Pc 68 gene was effective against all tested isolates. In general, each isolate presented a different pattern of virulence or avirulence, which indicates the high variability for virulence that the fungus presents at the sampled sites. However, the North American system of nomenclature was not completely sufficient in distinguishing southern Brazilian races. Thus, the genes Pc 36, Pc 53, Pc 55, and Pc 63 represent a possible gene combination to be incorporated into the North American system of nomenclature.</description><subject>Avena sativa</subject><subject>Biological and medical sciences</subject><subject>disease resistance</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Fungal plant pathogens</subject><subject>gene-for-gene relationship</subject><subject>genes</subject><subject>genetic markers</subject><subject>genetic resistance</subject><subject>genotype</subject><subject>geographical variation</subject><subject>host plants</subject><subject>oats</subject><subject>pathogen identification</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>plant pathogenic fungi</subject><subject>Puccinia coronata</subject><subject>rust diseases</subject><subject>strain differences</subject><subject>strains</subject><subject>virulence</subject><issn>0191-2917</issn><issn>1943-7692</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNp90U9v0zAYBnALgVgZXPgA4AsIIVL82on_HKGDMWkSFd12jd44Dhi5cWcnSOPIJ8dVC9w4WXr98yPbDyFPgS2Bmfrt-qwyUDEm5T2yAFOLSknD75MFgzLnBtQJeZTzd8ZYXUv9kJwIpjQwqRfk141Pc3CjdfQGk8fOBz_d0TjQ9WytHz1SG1MccUI6LGneLSn-cCM6epFjwMlluoohODu5nvqRXn1LzpXRPE6-7A0pbukXH-l5wrF3tI90Mwe6mcrJN_R9wp8-PCYPBgzZPTmup-T644er1afq8vP5xerdZWVrpqfKukZa7HQDaDS3nWhkb7XWjZENs70GDr1UAnlnxGBF1_edUVzZWnEYAJ04Ja8OubsUb2eXp3brs3Uh4OjinFsOugYhBbBCX_6XgmmU1pIX-PoAbYo5Jze0u-S3mO5aYO2-nHZ91hpo9-UU_OyYOndb1_-lf9oo4MURYLYYhvJn1ud_keXtJWh_vecHN2Bs8Wsq5nrDGQjGlFRNzcVva12fRw</recordid><startdate>2007</startdate><enddate>2007</enddate><creator>Vieira, E.A</creator><creator>Carvalho, F.I.F</creator><creator>Chaves, M.S</creator><creator>Oliveira, A.C. de</creator><creator>Benin, G</creator><creator>Hartwig, I</creator><creator>Silva, J.A.G</creator><creator>Bertan, I</creator><creator>Martins, A.F</creator><creator>Martins, L.F</creator><general>American Phytopathological Society</general><scope>FBQ</scope><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>M7N</scope><scope>7X8</scope></search><sort><creationdate>2007</creationdate><title>Virulence Variability of Puccinia coronata f. sp. avenae Isolates Collected in Three Counties from Rio Grande do Sul State, Brazil</title><author>Vieira, E.A ; Carvalho, F.I.F ; Chaves, M.S ; Oliveira, A.C. de ; Benin, G ; Hartwig, I ; Silva, J.A.G ; Bertan, I ; Martins, A.F ; Martins, L.F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-ce56cab851a982cb356dc88859650cd8121d673a2b93fc3bddb9727c4721f1ae3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Avena sativa</topic><topic>Biological and medical sciences</topic><topic>disease resistance</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Fungal plant pathogens</topic><topic>gene-for-gene relationship</topic><topic>genes</topic><topic>genetic markers</topic><topic>genetic resistance</topic><topic>genotype</topic><topic>geographical variation</topic><topic>host plants</topic><topic>oats</topic><topic>pathogen identification</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>plant pathogenic fungi</topic><topic>Puccinia coronata</topic><topic>rust diseases</topic><topic>strain differences</topic><topic>strains</topic><topic>virulence</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Vieira, E.A</creatorcontrib><creatorcontrib>Carvalho, F.I.F</creatorcontrib><creatorcontrib>Chaves, M.S</creatorcontrib><creatorcontrib>Oliveira, A.C. de</creatorcontrib><creatorcontrib>Benin, G</creatorcontrib><creatorcontrib>Hartwig, I</creatorcontrib><creatorcontrib>Silva, J.A.G</creatorcontrib><creatorcontrib>Bertan, I</creatorcontrib><creatorcontrib>Martins, A.F</creatorcontrib><creatorcontrib>Martins, L.F</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>MEDLINE - Academic</collection><jtitle>Plant disease</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Vieira, E.A</au><au>Carvalho, F.I.F</au><au>Chaves, M.S</au><au>Oliveira, A.C. de</au><au>Benin, G</au><au>Hartwig, I</au><au>Silva, J.A.G</au><au>Bertan, I</au><au>Martins, A.F</au><au>Martins, L.F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Virulence Variability of Puccinia coronata f. sp. avenae Isolates Collected in Three Counties from Rio Grande do Sul State, Brazil</atitle><jtitle>Plant disease</jtitle><addtitle>Plant Dis</addtitle><date>2007</date><risdate>2007</risdate><volume>91</volume><issue>1</issue><spage>66</spage><epage>70</epage><pages>66-70</pages><issn>0191-2917</issn><eissn>1943-7692</eissn><coden>PLDIDE</coden><abstract>Using isolates collected in three counties of Rio Grande do Sul State, Brazil, the goals of this work were to determine (i) the pattern of virulence or avirulence of the isolates to 25 Pc resistance genes, (ii) the similarity in virulence among Puccinia coronata f. sp. avenae isolates considering their pattern of virulence or avirulence, (iii) the race code for each isolate by the North American system of nomenclature, and (iv) the supplemental Pc genes potentially useful as local differentials for P. coronata f. sp. avenae races. The results indicate that the southern Brazilian rust isolates presented a high level of virulence, because 66% of inoculations manifested the high infection type. Only the Pc 68 gene was effective against all tested isolates. In general, each isolate presented a different pattern of virulence or avirulence, which indicates the high variability for virulence that the fungus presents at the sampled sites. However, the North American system of nomenclature was not completely sufficient in distinguishing southern Brazilian races. Thus, the genes Pc 36, Pc 53, Pc 55, and Pc 63 represent a possible gene combination to be incorporated into the North American system of nomenclature.</abstract><cop>St. Paul, MN</cop><pub>American Phytopathological Society</pub><pmid>30781068</pmid><doi>10.1094/PD-91-0066</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Avena sativa Biological and medical sciences disease resistance Fundamental and applied biological sciences. Psychology Fungal plant pathogens gene-for-gene relationship genes genetic markers genetic resistance genotype geographical variation host plants oats pathogen identification Phytopathology. Animal pests. Plant and forest protection plant pathogenic fungi Puccinia coronata rust diseases strain differences strains virulence |
| title | Virulence Variability of Puccinia coronata f. sp. avenae Isolates Collected in Three Counties from Rio Grande do Sul State, Brazil |
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