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https://doi.org/10.12706/itea....
Article . 2019 . Peer-reviewed
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Caracterización de la respuesta adaptativa a sequía de dos cultivares de melocotonero en condiciones de aridez

Authors: Bielsa, B.; García-Brunton, J.; Sanz, M.A.; Rubio-Cabetas, M.J.;

Caracterización de la respuesta adaptativa a sequía de dos cultivares de melocotonero en condiciones de aridez

Abstract

Se evaluó la respuesta a sequía de dos cultivares de melocotonero con distinta época de maduración, 'Ufo-3' y 'Fergold', injertados sobre el patrón híbrido almendro × melocotonero, 'Garnem', en los veranos de 2015 y 2016 en Murcia, España. En poscosecha, los árboles se sometieron a 5 días sin riego y, posteriormente, a 5 días de recuperación de riego. Se evaluó el estado hídrico del árbol, el intercambio gaseoso, así como el contenido en ácido abscísico (ABA) foliar. Se comprobó un descenso del contenido hídrico del suelo (CHS), que ocasionó la reducción del potencial hídrico foliar (PHF) y el cierre estomático. Reiniciado el riego, el estado hídrico de los árboles estresados fue recuperado. Se observó una correlación negativa entre el PHF y el uso eficiente del agua intrínseco (UEAi) en 2015, indicando una posible estrategia de tolerancia mediante la cual se conservase la capacidad fotosintética, a pesar de los bajos valores de conductancia estomática (gs) y PHF. Por otra parte, la regulación del cierre estomático observada en los árboles estresados no fue provocada por la acumulación de ABA. Esta evaluación agronómica permitirá una mayor comprensión del posible efecto del patrón 'Garnem' en la adaptación fisiológica y bioquímica a la sequía y su comportamiento en recuperación bajo condiciones de campo áridas de los cultivares de melocotonero injertados.

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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
Green