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Biblioteca (s) :  INIA Las Brujas.
Fecha :  19/11/2015
Actualizado :  19/11/2015
Tipo de producción científica :  Artículos en Revistas Indexadas Internacionales
Autor :  STEWART, S.; ROBERTSON, A.; WICKRAMASINGE, D.; DRAPER, M.; MICHEL, A.; DORRANCE, A.E.
Afiliación :  SILVINA MARIA STEWART SONEIRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALISON ROBERTSON, Universidad de Iowa State (ISU); DAMITHA WICKRAMASINGHE, Universidad de Ohio (OSU); MARTIN DRAPER, USDA/NIFA (National Institute of Food and Agriculture); ANDY MICHEL, Universidad de Iowa State (ISU); ANNE E. DORRANCE, Universidad de Ohio (OSU).
Título :  Population Structure among and within Iowa, Missouri, Ohio, and South Dakota Populations of Phytophthora sojae.
Fecha de publicación :  2015
Fuente / Imprenta :  Plant Disease, 2015, Accepted for publication.
ISSN :  0191-2917
DOI :  http://dx.doi.org/10.1094/PDIS-04-15-0437-RE
Idioma :  Inglés
Notas :  Posted online on 13 Jul 2015, First Look.
Contenido :  ABSTRACT. Phytophthora root and stem rot caused by Phytophthora sojae is an economically important disease of soybean throughout the Midwestern United States. This disease has been successfully managed with resistance (Rps) genes, however, pathogen populations throughout the Midwest have developed virulence to many (Rps genes including those that have not been deployed. To gain a better understanding of the processes that influence P. sojae evolution, the population genetic structure was compared among populations using one isolate collected from 17, 33, and 20 fields in Iowa, Ohio, and South Dakota, respectively, as well as multiple isolates from individual fields in Iowa, Ohio, and Missouri. Genotypic diversity was measured using 21 polymorphic microsatellite markers (SSRs) and pathotype diversity used 15 soybean differentials. For all but three of the populations with low sample size, there was a high level of pathotype diversity and a low to moderate level of genotypic diversity among the populations for both comparisons between states and within field variation. None of the (Rps-gene differentials were resistant to all of the isolates. There were 103 multi locus genotypes identified in this study and only two were identified from the same field. Although no clones were identified in more than one field, pairwise FST indicated that some gene flow within neighboring fields does occur but not across the region, including fields from neighboring states. These results sugge... Presentar Todo
Palabras claves :  PHYTOPTHORA SOJAE.
Thesagro :  PHYTOPHTHORA; SOJA.
Asunto categoría :  --
Marc :  Presentar Marc Completo
Registro original :  INIA Las Brujas (LB)
Biblioteca Identificación Origen Tipo / Formato Clasificación Cutter Registro Volumen Estado
LB100840 - 1PXIAP - DD

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1.Imagen marcada / sin marcar STEWART, S.; ROBERTSON, A.; WICKRAMASINGE, D.; DRAPER, M.; MICHEL, A.; DORRANCE, A.E. Population Structure among and within Iowa, Missouri, Ohio, and South Dakota Populations of Phytophthora sojae. Plant Disease, 2015, Accepted for publication. Posted online on 13 Jul 2015, First Look.
Tipo: Artículos en Revistas Indexadas InternacionalesCirculación / Nivel : Internacional - --
Biblioteca(s): INIA Las Brujas.
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