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Revista Facultad de Ciencias Básicas
Article . 2015 . Peer-reviewed
License: CC BY NC ND
Data sources: Crossref
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Revista Facultad de Ciencias Básicas
Article
License: CC BY NC ND
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Evaluación de la Resistencia a la Sarna Polvosa en Genotipos de Solanum Phureja Bajo Condiciones Controladas a Partir de Tubérculos Semilla

Authors: Ramirez Franco, Liliana Andrea; Zuluaga Amaya, Catalina María; Cotes Torres, José Miguel;

Evaluación de la Resistencia a la Sarna Polvosa en Genotipos de Solanum Phureja Bajo Condiciones Controladas a Partir de Tubérculos Semilla

Abstract

<p>Se realizó un bioensayo con 88 genotipos de <em>Solanum phureja </em>para evaluar la respuesta a la sarna polvosa de la papa. Para la obtención del material vegetal, se sembraron tubérculos en bolsas plásticas de 3 kg de capacidad. Cada planta fue inoculada a los 25 días después de siembra, con una aplicación directa a la raíz de 10 g de suelo infectado a una concentración de 7 x 106 quistosoros. Después de los 50 días de la inocula­ción, en estado de floración, se observó la presencia de agallas en raíces. Las plantas asintomáticas, aquellas donde no se observaron estructuras o síntomas del patógeno, fueron evaluadas mediante la técnica de PCR con <em>primer </em>específicos para la detección de <em>Spongospora subterranea </em>f. sp. <em>subterranea</em>. Los resultados mos­traron que 57 genotipos, presentaron el 100% de incidencia; 21 genotipos no presentaron la enfermedad; y los 10 restantes presentaron valores intermedios de incidencia. La variedad testigo Criolla Colombia presentó un 90,87% de incidencia. La severidad media estimada de todos los genotipos osciló entre 0 y 4,68%, para los genotipos resistentes y susceptibles, respectivamente.</p>

Country
Colombia
Keywords

Quistosoros, bioensayos, incidencia, severidad

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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gold