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      Características de la abscisión del fruto de Naranja Citrus sinensis (L.) Osbeck var. Salustiana

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          Abstract

          El trabajo tuvo como objetivo establecer la cinética y características anatómicas de la abscisión de los frutos en Citrus sinensis (L.) Osbeck cultivar Salustiana durante el desarrollo inicial del fruto. Para el estudio se emplearon plantas de un huerto ubicado en Museros, en la provincia de Valencia, España. En 25 árboles se etiquetaron 150 brotes uniflorales con hojas y se realizaron observaciones desde antesis hasta 104 días después de antesis desde marzo hasta julio. Se determinó el diámetro del fruto y para el estudio histológico se realizaron cortes en fresco en micrótomo de congelación. El crecimiento en diámetro se ajustó a una curva sigmoidal, registrándose una estrecha relación entre el incremento en la tasa de crecimiento del fruto y su abscisión relativa. En los frutos se identificaron tempranamente tres zonas de abscisión, una para la caída del estilo/eje floral y dos para el ovario y frutos jóvenes, las cuales se activaron a medida que progresó el desarrollo del fruto.

          Translated abstract

          The kinetics and anatomy of abscission were studied during the initial development of fruits of sweet orange Salustiana (Citrus sinensis (L). One hundred and fifty unifloral leafy shoots were labelled in 25 trees in an orchard located in Museros (Valencia, Spain) to follow the development from anthesis to 104 days after anthesis (daa), from March to July. The fruit diameter was measured and the histology was recorded in fresh made slides from a freezing microtome. The growth in diameter followed a sigmoidal curve with a close relation between the rate of fruit growth and its relative abscission. Three abscission zones were identified early in the fruitlets; one for the drop of the style/floral axis and two for the ovary/fruitlet which activated as progress the fruit development.

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          Plant microtechnique

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            Carbohydrate Supply as a Critical Factor for Citrus Fruit Development and Productivity

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              Anatomical, Physiological, and Hormonal Aspects of Abscission in Citrus

              R Goren (1993)
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                Author and article information

                Contributors
                Role: ND
                Journal
                ba
                Bioagro
                Bioagro
                Decanato de Agronomía de la Universidad Centroccidental "Lisandro Alvarado" (UCLA) (Barquisimeto )
                1316-3361
                2006
                : 18
                : 1
                : 025-030
                Affiliations
                [1 ] Universidad Centroccidental Lisandro Alvarado Venezuela
                Article
                S1316-33612006000100003
                217da8d7-5f90-4d86-8479-7677d0e31aae

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Venezuela

                Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=1316-3361&lng=en
                Categories
                AGRICULTURE, MULTIDISCIPLINARY
                BIOLOGY
                ZOOLOGY

                General life sciences,General agriculture,Animal science & Zoology
                Sweet orange,Naranja dulce,caída de frutos,anatomía del fruto,fruitlet abscission,fruit anatomy

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