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Revista Fitotecnia Mexicana
Article . 2010 . Peer-reviewed
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EFECTO DE LA POSICIÓN DE LA YEMA Y DE LA PODA EN PLANTAS DE AGUACATE DESTINADAS A LA CLONACIÓN

Authors: Nicole Darrouy-Palacios; Mónica Castro-Valdebenito; Ricardo Cautín-Morales; Loretto Kort-Silva; Rodrigo Bozzolo-Artaza;

EFECTO DE LA POSICIÓN DE LA YEMA Y DE LA PODA EN PLANTAS DE AGUACATE DESTINADAS A LA CLONACIÓN

Abstract

La técnica de etiolación y acodo es actualmente la principal alternativa de propagación vegetativa implementada a nivel mundial para la multiplicación comercial de clones de aguacate (Persea americana Mill.), cuya etapa de enraizamiento es considerada como la más crítica del proceso y requiere ser optimizada. En este estudio se evaluó el efecto de la posición de la yema dentro del brote a utilizar en el proceso de clonación y del manejo de poda en árboles de aguacate cv. ‘Hass’ y del portainjerto clonal cv. ‘Duke 7’, en dos etapas de esta técnica: injertación y crecimiento del brote etiolado. Los resultados mostraron que los injertos procedentes de yemas basales del brote originaron brotes etiolados de mayor grosor (P ≤ 0.05) que los ubicados en yemas apicales e intermedias. Los brotes etiolados del portainjerto ‘Duke 7’ obtenidos de yemas procedentes de las secciones media y basal, tardaron menos tiempo en el periodo de la cámara de etiolación y enraizamiento, que los brotes proceden-tes de yemas apicales. Los análisis histológicos realizados en brotes etiolados de ‘Hass’, mostraron un posible efecto de la posición de la yema y del manejo de poda a nivel de plantas madre sobre aspectos anatómicos, como en la continuidad de las fibras de esclerénquima y grosor del cambium fascicular e interfascicular. Finalmente, las púas procedentes de secciones apicales presentaron un mayor contenido de carbohidratos solubles totales que las secciones medias y basales.

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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
gold