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Are Sunflower chlorotic mottle virus infection symptoms modulated by early increases in leaf sugar concentration?
Rodriguez, Marianela; Taleisnik, Edith; Lenardon, Sergio Luis; Lascano, Hernan Ramiro (Elsevier, 2010-09-15)Symptom development in a susceptible sunflower line inoculated with Sunflower chlorotic mottle virus (SuCMoV) was followed in the second pair of leaves at different post-inoculation times: before symptom expression (BS), ... -
Caracterización fenotípica y genotípica de germoplasma de Panicum coloratum L var. coloratum para la tolerancia a la salinidad
Pittaro, Gabriela (Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2014)Los cultivares de Panicum coloratum son poblaciones estabilizadas que presentan un cierto grado de variabilidad intracultivar. Plantas individuales provenientes de pasturas establecidas en suelos salinos, afectados además ... -
Crecimiento, rendimiento y calidad de semillas de tres cv de Cenchrus ciliaris bajo condiciones de salinidad
Ruiz, Monica Beatriz (Facultad de Agronomía, Universidad de Buenos Aires, 2011)La salinidad es uno de los mayores factores limitantes para la expansión de la frontera agrícola, afecta a más de 30 millones de hectáreas principalmente en las regiones áridas y semiáridas, donde es una de las principales ... -
Decreased reactive oxygen species concentration in the elongation zone contributes to the reduction in maize leaf growth under salinity
Rodriguez, Andrés Alberto; Córdoba, Alicia R.; Ortega, Leandro Ismael; Taleisnik, Edith (Society for Experimental Biology, 2004-06)Reactive oxygen species (ROS) in the apoplast of cells in the growing zone of grass leaves are required for elongation growth. This work evaluates whether salinity‐induced reductions in leaf elongation are related to altered ... -
Differential response of Trichloris ecotypes from different habitats to drought and salt stress
Marinoni, Lorena del Rosario; Richard, Geraldina Alicia; Bustos, Dolores Angela; Taleisnik, Edith; Pensiero, José Francisco; Zabala, Juan Marcelo (Springer, 2020-08-05)Native plant genetic resources have evolved from long processes of natural selection and adaptation to specific environments, and have developed tolerance to various stresses prevailing in their natural habitats via adaptive ... -
Efecto de la profundidad napa freática y la salinidad sobre la dinámica de crecimiento de grama rhodes (Chloris gayana)
Chiacchiera, Sebastián (Universidad Nacional de Córdoba, 2017-08-10)Dependiendo de la profundidad a la que se encuentre, la napa freática puede tener un efecto positivo, a partir del aprovisionamiento de agua, negativo por anegamiento y/o salinización, o neutro, sobre las plantas. Grama ... -
Elongation growth in leaf blades of Chloris gayana under saline conditions
Ortega, Leandro Ismael; Taleisnik, Edith (Elsevier, 2003)In Chloris gayana, salinity-associated yield decreases are due mainly to leaf area reductions. To understand the physiological basis for such reduction, the effects of salinity were studied on the spatial and temporal ... -
Genetic variability for responses to short‐ and long‐term salt stress in vegetative sunflower plants
Ceccoli, Gabriel; Senn, Eugenia; Bustos, Dolores Angela; Ortega, Leandro Ismael; Córdoba, Alicia R.; Vegetti, Abelardo Carlos; Taleisnik, Edith (Wiley, 2012-12)Sunflower (Helianthus annuus L.) has been rated as moderately salt‐resistant, and variability for salt resistance has been detected within this crop. However, variability in salt‐resistance mechanisms has not been assessed. ... -
Leaf expansion in grasses under salt stress
Taleisnik, Edith; Rodriguez, Andrés Alberto; Bustos, Dolores Angela; Erdei, László; Ortega, Leandro Ismael; Senn, Eugenia (Elsevier, 2009-07)Restriction of leaf growth is among the earliest visible effects of many stress conditions, including salinity. Because leaves determine radiation interception and are the main photosynthetic organs, salinity effects on ... -
Nutrient deficiency and hypoxia as constraints to Panicum coloratum growth in alkaline soils
Luna, Dario Fernando; Aguirre, A.; Pittaro, Gabriela; Bustos, Dolores Angela; Ciacci, María Belén; Taleisnik, Edith (Wiley; British Grassland Society; European Grassland Federation, 2017-12)Alkaline and saline–alkaline soils impose severe restrictions on plant growth. Panicum coloratum var. coloratum is a perennial C4 forage grass widely used in tropical and subtropical environments. Published information on ... -
Physiological causes for decreased productivity under high salinity in Boma, a tetraploid Chloris gayana cultivar
De Luca, Marcos Javier; García Seffino, L.; Grunberg, Karina; Salgado, M.; Córdoba, Alicia R.; Luna, Celina Mercedes; Ortega, Leandro Ismael; Rodriguez, Andrés Alberto; Castagnaro, Ana P.; Taleisnik, Edith (CSIRO Publishing, 2001)Rhodes grass (Chloris gayana Kunth) is widely cultivated in the semi-arid tropics and favoured for salt tolerance; nevertheless, productivity decreases significantly under saline conditions, especially in tetraploid ... -
Plant Tolerance Mechanisms to Soil Salinity Contribute to the Expansion of Agriculture and Livestock Production in Argentina
Taleisnik, Edith; Rodríguez, Andrés Alberto; Bustos, Dolores Angela; Luna, Dario Fernando (Springer, 2021)This chapter addresses salt tolerance mechanisms in crops and woody species cultivated in Argentina, highlighting the contribution of local research to these topics. Work on forages and woody species represents approximately ... -
Plasticity in sunflower leaf and cell growth under high salinity
Céccoli, Gabriel; Bustos, Dolores Angela; Ortega, Leandro Ismael; Senn, Eugenia; Vegetti, Abelardo Carlos; Taleisnik, Edith (Wiley, 2015-01)A group of sunflower lines that exhibit a range of leaf Na+ concentrations under high salinity was used to explore whether the responses to the osmotic and ionic components of salinity can be distinguished in leaf expansion ... -
Reductions in Maize Root-tip Elongation by Salt and Osmotic Stress do not Correlate with Apoplastic O2•− Levels
Bustos, Dolores Angela; Lascano, Hernan Ramiro; Villasuso, Ana Laura; Machado, Estela; Senn, Eugenia; Cordoba, Alicia Beatriz; Taleisnik, Edith (Oxford Academic Press, 2008-10)Background and Aims: Experimental evidence in the literature suggests that O2•− produced in the elongation zone of roots and leaves by plasma membrane NADPH oxidase activity is required for growth. This study explores ... -
Salt glands in the Poaceae Family and their relationship to salinity tolerance
Céccoli, Gabriel; Ramos, Julio Cesar; Pilatti, Vanesa; Dellaferrera, Ignacio Miguel; Tivano, Juan; Taleisnik, Edith; Vegetti, Abelardo Carlos (Springer, 2015-06)The Poaceae is one of the most important Angiosperm families, in terms of morphological diversity, ecology and economic importance. Species within this family show a very wide variation in terms of salinity tolerance. Salt ... -
Salt tolerance variability among stress‐selected Panicum coloratum cv. Klein plants
Pittaro, Gabriela; Caceres, Leandro; Bruno, Cecilia Inés; Tomas, Maria Andrea; Bustos, Dolores Angela; Monteoliva, Mariela Ines; Ortega, Leandro Ismael; Taleisnik, Edith (Wiley; British Grassland Society; European Grassland Federation, 2016-11)This work assessed intracultivar variability for salt tolerance within Panicum coloratum cv. Klein, explored some physiological parameters potentially associated with it and evaluated the contribution of cell division and ... -
Wild halophytic species as forage sources: key aspects for plant breeding
Marinoni, Lorena del Rosario; Zabala, Juan Marcelo; Taleisnik, Edith; Schrauf, Gustavo Enrique; Richard, Geraldina Alicia; Tomas, Pablo Andrés; Giavedoni, Julio Alberto; Pensiero, José Francisco (Wiley; British Grassland Society; European Grassland Federation, 2019-02-20)The use of wild halophytic species as forage resources in saline environments has gained increasing attention. Argentina ranks third in area of saline soils in the world, with a third of its territory showing various degrees ...