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Revista Facultad de Ciencias Básicas
Article . 2013 . Peer-reviewed
License: CC BY NC ND
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Revista Facultad de Ciencias Básicas
Article
License: CC BY NC ND
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Atributos Morfológicos de las Raíces de Genotipos de Solanum Phureja Juz et Buk y su Relación con la Severidad de la Sarna Polvosa

Authors: Carlos Andrés Palacios Bejarano; José Miguel Cotes Torres;

Atributos Morfológicos de las Raíces de Genotipos de Solanum Phureja Juz et Buk y su Relación con la Severidad de la Sarna Polvosa

Abstract

<p>Se evaluaron algunas características morfológicas de raíces en 51 genotipos de <em>Solanum phureja </em>y su relación con la respuesta al ataque de la sarna polvosa. En materas fueron sembrados tubérculos de los diferentes genotipos y se precisó el color de la cáscara y la forma. Tres semanas después se extrajeron las raíces y se realizaron cortes histológicos transversales de éstas para determinar el grosor de la epidermis, el grosor del parénquima cortical y el diámetro de las células del parénquima. La información obtenida se correlacionó con el estimado de severidad de sarna polvosa en raíces bajo condiciones de campo. Se encontró que los genotipos C43 y C100, resistentes en las pruebas de campo, presentaron un grosor de epidermis mayor a los genotipos susceptibles. El mismo comportamiento se evidenció al evaluar el grosor del parénquima cortical y el diámetro de las células corticales. También se encontró que genotipos con valores superiores a 9 μm para el grosor de la epidermis, 40 μm para el grosor del parénquima u 8 μm para el diámetro de las células corticales, presentan baja severidad de la enfermedad en raíces, pudiendo utilizarse estos parámetros para la clasificación de genotipos resistentes en papa criolla. Los genotipos provenientes de tubérculos semilla de color rojo pueden presentar una mayor resistencia a la enfermedad en raíces.</p>

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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!
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