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      Co-inoculación de hongos micorrícicos arbusculares y hongos solubilizadores de fósforo sobre un andisol cultivado con papa variedad Desirée Translated title: Co-inoculation of arbuscular mycorrhizal fungi and phosphorus solubilizing fungi in Andisol cultivated with potato variety "Desirée"

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          Abstract

          RESUMEN: La papa requiere una elevada fertilización fosfatada, lo que incrementa los costos de producción y afecta negativamente al agroecosistema. La inoculación del suelo con hongos solubilizadores de fósforo (HSP) y hongos micorrícicos arbusculares (HMA) surge como una alternativa para alcanzar sistemas productivos de menor impacto ambiental y que mejoran la nutrición vegetal. El objetivo del estudio fue evaluar el efecto de la inoculación de un HMA (Claroideoglomus claroideum, Cc) solo o en interacción con dos HSP (Talaromyces pinophilus, Tp y/o Penicillium albidum, Pa) en la arquitectura radical y nutrición fosfatada de plantas micropropagadas de papa (Solanum tuberosum L.) variedad Desirée. Las plántulas obtenidas de explantes se aclimataron en cámara de crecimiento y en invernadero. Se usaron cuatro tratamientos inoculados: T1 (Cc), T2 (Cc + Tp), T3 (Cc + Pa), T4 (Cc + Tp + Pa) y un control no inoculado (T0). A los 145 DDE se cosecharon las plantas determinándose parámetros morfoagronómicos y de geometría radical. El tratamiento T2 presentó mayor altura de planta con incrementos de 140% sobre T0 y mayor movilización de P observándose la tendencia T2 > T1 = T3 > T4 > T0, mientras que con T1 se obtuvo la mejor arquitectura radical. Se concluye que la inoculación con Cc mejoró la geometría radical y la co-inoculación con Cc + Tp aumentó la movilización de P hacia las plantas. Como proyección sería interesante ensayar esta co-inoculación HMA-HSP en campo, como propuesta de un posible biofertilizante que mejore la nutrición fosfatada y rendimiento de los cultivos.

          Translated abstract

          ABSTRACT: Potatoes require high phosphate fertilization, which increases production costs and negatively affects the agroecosystem. Soil inoculation with phosphorus solubilizing fungi (PSF) and arbuscular mycorrhizal fungi (AMF) become as an altgrnative to achieve productive systems with less environmental impact and that improve plant nutrition. The objective of the study was to evaluate the effect of the inoculation of an AMF (Claroideoglomus claroideum, Cc) alone or in interaction with two PSFs (Talaromyces pinophilus, Tp and / or Penicillium albidum, Pa) on the root architecture and phosphate nutrition of micropropagated plants potato (Solanum tuberosum L.) variety "Desirée". The seedlings obtained from explants were acclimated in a growth chamber and in greenhouse. Four inoculated treatments are used: T1 (Cc), T2 (Cc + Tp), T3 (Cc + Pa), T4 (Cc + Tp + Pa) and a non-inoculated control (T0). At 145 DAE, the plants was harvested, determining morphoagronomic and root geometry parameters. Treatment T2 presented higher plant height with increases of 140% over T0, greater mobilization of P, observing the trend T2> T1 = T3> T4> T0, while with T1 the best root architecture was obtained. It concluded that the inoculation with Cc improved the root geometry and the co-inoculation with Cc + Tp increased the mobilization of P towards the plants. As a projection, it would be interesting to test this HMA-HSP co-inoculation in the field, as a proposal for a possible biofertilizer that improves phosphate nutrition and crop yield.

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          Most cited references25

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          Phosphorus activators contribute to legacy phosphorus availability in agricultural soils: A review

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            Root system markup language: toward a unified root architecture description language.

            The number of image analysis tools supporting the extraction of architectural features of root systems has increased in recent years. These tools offer a handy set of complementary facilities, yet it is widely accepted that none of these software tools is able to extract in an efficient way the growing array of static and dynamic features for different types of images and species. We describe the Root System Markup Language (RSML), which has been designed to overcome two major challenges: (1) to enable portability of root architecture data between different software tools in an easy and interoperable manner, allowing seamless collaborative work; and (2) to provide a standard format upon which to base central repositories that will soon arise following the expanding worldwide root phenotyping effort. RSML follows the XML standard to store two- or three-dimensional image metadata, plant and root properties and geometries, continuous functions along individual root paths, and a suite of annotations at the image, plant, or root scale at one or several time points. Plant ontologies are used to describe botanical entities that are relevant at the scale of root system architecture. An XML schema describes the features and constraints of RSML, and open-source packages have been developed in several languages (R, Excel, Java, Python, and C#) to enable researchers to integrate RSML files into popular research workflow.
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              Solubilization of inorganic phosphates and plant growth promotion by Aspergillus niger

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                Author and article information

                Journal
                idesia
                Idesia (Arica)
                Idesia
                Universidad de Tarapacá. Facultad de Ciencias Agronómicas (Arica, , Chile )
                0718-3429
                March 2023
                : 41
                : 1
                : 27-33
                Affiliations
                [1] Temuco Araucanía orgnameUniversidad Católica de Temuco orgdiv1Facultad de Recursos Naturales orgdiv2Departamento de Ciencias Agropecuarias y Acuícolas Chile
                [3] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Departamento Ciencias Químicas y Recursos Naturales Chile
                [4] Temuco Araucanía orgnameUniversidad de La Frontera orgdiv1Scientific and Technological Bioresource Nucleus Chile
                [5] Temuco orgname Chile
                [2] Temuco Araucanía orgnameUniversidad Católica de Temuco orgdiv1Núcleo de Investigación en Producción Alimentaria Chile
                Article
                S0718-34292023000100027 S0718-3429(23)04100100027
                17eac049-1c43-410d-b300-d681ce6c7b9d

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

                History
                : 29 September 2022
                : 19 December 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 25, Pages: 7
                Product

                SciELO Chile

                Categories
                ARTÍCULOS DE INVESTIGACIÓN

                Claroideoglomus claroideum,arquitectura radical,Talaromyces pinophilus,Penicillium albidum,root architecture

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