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Agronomía Mesoamericana
Article . 2008 . Peer-reviewed
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Agronomía Mesoamericana
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Influencia de la edad del callo en la inducción de suspensiones celulares de cafeto

Authors: González Vega, María Esther; Hernández Espinosa, María Margarita; Hernández Rodríguez, Annia;

Influencia de la edad del callo en la inducción de suspensiones celulares de cafeto

Abstract

Esta investigación se desarrolló en el Departamento de Ge nética y Me joramie nto de Plantas del Instituto Nacional de Cie ncias Agrícolas (INCA ), provincia La Habana, Cuba, durante el período de 2002 al 2004, con el objetivo de evaluar el comportamie nto de suspensiones celulares de tres genotip os de Coffea canephora P. var. Robusta, para ello se procedió a estudiar la edad del callo más eficiente para el establecimiento del cultivo en medio líquido, para lo cual se evaluaron callos de 15, 21, 28, 35, 42, 49 y 56 días de cultivo. También se estudiaron diferentes medios de cultivos para la multip licación celular, MMC -1 con 0,2 mg/l de Kinetina y 0,5 mg/l de 2,4-D, empleado como medio control y el medio MMC -2 donde el 2,4-D fue sustituido por 0,7 mg/l de un extracto auxínico de origen bacteriano. Se determinaron los efectos de estos factores en la velocidad de desagregación, la coloración de la suspensión, así como en la concentración de células totales y meristemáticas. Se encontró que las suspensiones a partir de callos de 28 y 35 días de cultivo en medio sólido, presentaron mejor respuesta, dado el mayor número de células, velocidad de desagregación y adecuada coloración de la suspensión, destacándose los callos de estas edades como los más favorables para la inducción del cultivo en medio líquido, a partir de los genotip os estudiados. Se obtuvie ron mejores resultados con el medio de multip licación celular MMC -2.

Country
Costa Rica
Keywords

meristematic cells, extracto bacteriano, Robusta, Coffea canephora, células meristemáticas, S, bacterial extract, 4-D, 2, Agriculture, 2,4-D

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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
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gold