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Veritas
Article . 2018 . Peer-reviewed
Data sources: Crossref
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Impacto de la Poliploidia en Physalis peruviana L. en condiciones in vitro

Authors: María Rosario Elsa Valderrama Valencia; Deysi Paola Caballero Condori;

Impacto de la Poliploidia en Physalis peruviana L. en condiciones in vitro

Abstract

El presente trabajo de investigación tiene como objetivo determinar la concentración y tiempo de exposición de la colchicina para la duplicación del número cromosómico de Physalis peruviana L. en condiciones in vitro. Para tal fin primeramente se determinó la concentración de los reguladores de crecimiento para establecer en in vitro brotes de P. peruviana, posteriormente los segmentos nodales fueron sometidos a diferentes concentraciones de colchicina (0.05%, 0.10% y 0.15 %) durante tres tiempos de exposición (12, 24 y 36 horas). El medio MS suplementado con 0.3 mg/L de BAP permitió establecer en in vitro brotes de P. peruviana. Con la aplicación de 0,05% y 0,10% de colchicina por un tiempo de exposición de 36 horas, se obtuvo plantas cuyos números cromosómicos van de 8n-8=88 y plantas mixoploides, teniendo en cuenta que el número cromosómico en condiciones normales encontrados fue de 4n-4=44 cromosomas. Las características morfológicas y anatómicas de las plantas que duplicaron su número cromosómico encontradas en el presente estudio son de poseer menor altura, mayor área foliar, estomas con menor densidad pero de mayor tamaño y con mayor número de cloroplastos.

  • BIP!
    Impact byBIP!
    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).
    0
    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.
    Average
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Average
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Average
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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!
0
Average
Average
Average
gold