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      Importancia del paclobutrazol en la producción de cítricos fuera de temporada Translated title: Importance of paclobutrazol in out-of-season citrus production

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          Abstract

          RESUMEN: La variabilidad estacionaria en la producción es un problema para los fruticultores y citricultores en general, por lo que herramientas que ayuden a desfasar la producción, serían una alternativa para el rendimiento; el uso de reguladores de crecimiento son una alternativa; por ejemplo, el uso del paclobutrazol (PBZ) ha sido una de las herramientas utilizadas para fortalecer la alternatividad en la producción. El presente artículo se ha desarrollado con el objetivo de indagar la importancia del PBZ en la producción forzada de cítricos. El PBZ se ha involucrado en la inhibición de la síntesis de giberelinas y auxinas, acortando la elongación y división celular, su uso en cítricos ha sido documentando para forzar producción, es decir poder obtenerla cuando la oferta sea baja y así contribuir a la economía del productor. El PBZ aumenta la tolerancia de la planta al frío, manteniendo las yemas injertadas en un estado dominante durante condiciones adversas, inhibe el crecimiento vegetal induciendo los botones florales influyendo en la maduración temprana de los frutos, y maximizando el rendimiento productivo de las plantas y calidad de los frutos. Este compuesto permite optimizar el rendimiento de las plantas, promoviendo la producción fuera de temporada, equilibrando de esta manera la alternancia productiva.

          Translated abstract

          ABSTRACT: Stationary variability is a problem for fruit producers and producers in general, hence tools that help to crop at any season would be an alternative to yield. For this reason, the use of growth regulators is a choice; for example, paclobutrazol (PBZ) has been used to strengthen alternativity in production. This article aims to investigate the importance of PBZ in the forced production of citrus fruits. PBZ has been involved in inhibiting the synthesis of gibberellins and auxins, shortening the elongation and cell division; its use in citrus has been studied to force production to obtain it when the supply is low and thus contribute to the producer's economy. PBZ increases plant tolerance to cold weather, keeping grafted buds in a dominant state during adverse conditions; inhibits plant growth by inducing flower buds by influencing early fruit ripening, and maximizing plant yield and fruit quality. This compound allows to optimize the yield of plants, promoting the production in any season, thus balancing the productive alternation.

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            The genetic basis of flowering responses to seasonal cues.

            Plants respond to the changing seasons to initiate developmental programmes precisely at particular times of year. Flowering is the best characterized of these seasonal responses, and in temperate climates it often occurs in spring. Genetic approaches in Arabidopsis thaliana have shown how the underlying responses to changes in day length (photoperiod) or winter temperature (vernalization) are conferred and how these converge to create a robust seasonal response. Recent advances in plant genome analysis have demonstrated the diversity in these regulatory systems in many plant species, including several crops and perennials, such as poplar trees. Here, we report progress in defining the diverse genetic mechanisms that enable plants to recognize winter, spring and autumn to initiate flower development.
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              Phytohormones and plant responses to salinity stress: a review

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                Author and article information

                Journal
                mang
                Manglar
                Manglar
                Universidad Nacional de Tumbes (Tumbes, , Peru )
                1816-7667
                2414-1046
                January 2022
                : 19
                : 1
                : 117-127
                Affiliations
                [1] Manabí Manabí orgnameUniversidad Técnica de Manabí orgdiv1, Faculty of Agronomic Engineering orgdiv2Agronomy Ecuador
                Article
                S2414-10462022000100117 S2414-1046(22)01900100117
                10.17268/manglar.2022.015
                a8fea037-ff49-4cf4-9b18-05ad47b632ec

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 03 January 2022
                : 10 February 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 117, Pages: 11
                Product

                SciELO Peru

                Categories
                Artículos de revisión

                Citrus,flowering,production,paclobutrazol,gibberellin,Cítricos,floración,producción,giberelina

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