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Autores
Mostrando ítems 1-12 de 12
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Assessing the genetic diversity of Panicum coloratum var. makarikariense using agro‐morphological traits and microsatellite‐based markers
Armando, Lorena; Tomas, Maria Andrea; Garayalde, Antonio Francisco; Carrera, Alicia Delia (2015-11)Panicum coloratum var. makarikariense is a perennial C4 grass native to South Africa with relatively good forage production under limited‐resource conditions. Genetic characterisation and breeding efforts have been scant, ... -
Caracterización de la variabilidad genética en germoplasma de Melilotus albus mediante marcadores moleculares ISSR y SSR = Characterization of genetic variability in Melilotus albus germplasm by ISSR and SSR molecular markers
Tomas, Pablo Andrés; Rivero, M.N.; Tomas, Maria Andrea (Sociedad Argentina de Genética, 2017-06)Melilotus albus is a legume plant naturalized in Argentina with a great potential to be used as a forage resource in restricted environments. Our objective was to characterize 10 accessions of M. albus belonging to a ... -
Collection and morphological characterization of Panicum coloratum L. in Argentina
Armando, Lorena; Carrera, Alicia Delia; Tomas, Maria Andrea (2013-06)Panicum coloratum (Poaceae) is a perennial grass native to South Africa, distributed all over the world, but poorly adopted by ranchers in Argentina. Adapted to a wide range of soil and climatic conditions, it constitutes ... -
Combined effect of salinity and hypoxia in seedlings of two varieties of Panicum coloratum: morphology, root system architecture, oxidative damage and antioxidant response
Lifschitz, Mauro Ezequiel; Tommasino, Exequiel Arturo; Zabala, Juan Marcelo; Grunberg, Karina; Ramos, Julio Cesar; Tomas, Maria Andrea (Wiley, 2021-09)The effect of the combination of salinity and waterlogging may be additive, or alternatively, more or less detrimental than effects of them separately. Our objective was to evaluate the effects of waterlogging, salinity ... -
Effect of pollination mode on progeny of Panicum coloratum var. makarikariense: Implications for conservation and breeding = Efecto del modo de polinización sobre la progenie de Panicum coloratum var. makarikariense: Implicaciones para conservación y fitomejoramiento
Armando, Lorena; Tomas, Maria Andrea; Garayalde, Antonio Francisco; Carrera, Alicia Delia (CIAT, 2017-09)Panicum coloratum var. makarikariense, a perennial grass native to Africa, is adapted to a wide range of soil and climatic conditions with potential to be used as forage in tropical and semi-arid regions around the world. ... -
Estudios de variabilidad genética en Panicum coloratum L. frente a condiciones de estrés combinado de salinidad-anegamiento
Lifschitz, Mauro Ezequiel (Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2022)En la Argentina, la ganadería actual se desarrolla en ambientes con limitantes edafo-climáticas, entre ellas, suelos de moderada a alta salinidad combinada con períodos de anegamiento. Numerosas especies forrajeras han ... -
Intraspecific differentiation in genetic structure in Panicum coloratum L.: importance for germplasm conservation and breeding
Armando, Lorena Vanesa; Almada, Pamela Estefania; Tomas, Maria Andrea (Springer, 2023-02)Success in a breeding program is highly dependent on the information regarding genetic variability and its structure of the available germplasm. Particularly in poorly domesticated species, such information is generally ... -
Perception of factors affecting tropical forage grass seed production in Argentina
Tomas, Maria Andrea; Mattera, Juan (2019-05)In Argentina there is an extended region where tropical pastures have shown adaptation to diverse stresses and climate change. Despite their potential role in livestock systems tropical pastures have been underutilized, ... -
Phenotypic plasticity to drought in seedlings of the warm season grass Panicum coloratum is related to collection site
Giordano, Mabel Cristina; Grimoldi, Agustin Alberto; Tomas, Maria Andrea (Wiley, 2019-09)Phenotypic plasticity is the ability of organisms to modify their phenotype in response to environmental changes. We estimated and compared the amount of phenotypic plasticity in response to drought in seedlings of different ... -
Plasticidad fenotípica en Panicum coloratum: variabilidad genética, heredabilidad y expresión diferencial de la plasticidad
Giordano, Mabel Cristina (Facultad de Agronomía, Universidad de Buenos Aires, 2018-06)Plasticidad fenotípica es la capacidad de un genotipo de generar diferentes fenotipos cuando es expuesto a diferentes ambientes. Desde el punto de vista genético, en plantas de uso agronómico como las forrajeras megatérmicas, ... -
Selection by seed weight improves traits related to seedling establishment in Panicum coloratum L. var. makarikariense
Giordano, Mabel Cristina; Berone, German Dario; Tomas, Maria Andrea (Wiley, 2013-12)Selection for heavy seed was implemented to overcome establishment problems in Panicum coloratum var. makarikariense. A collection covering the genetic diversity of the species available in Argentina was used as a base ... -
Variability for salt tolerance in a collection of Panicum coloratum var. makarikariense during early growth stages = Variabilidad en tolerancia a la salinidad en una colección de Panicum coloratum var. makarikariense durante las etapas tempranas de crecimiento
Cardamone, Luisina; Cuatrin, Alejandra; Grunberg, Karina; Tomas, Maria Andrea (CIAT, 2018-09)Our aim was to investigate variability for salt tolerance in a collection of Panicum coloratum var. makarikariense of INTA EEA Rafaela, Argentina. Panicum coloratum is a C4 perennial grass to be potentially used to increase ...