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Biological nitrogen fixation in soybean in Argentina: relationships with crop, soil, and meteorological factors
Collino, Daniel; Salvagiotti, Fernando; Perticari, Alejandro; Piccinetti, Carlos Fabian; Ovando, G.; Urquiaga, S.; Racca, Roberto Walter (2015-07)Aims: This study aims to (i) asses the contribution of biological N fixation (%Ndfa) in the soybean production area of Argentina, (ii) build a model for predicting %Ndfa using crop, soil, and meteorological variables, and ... -
Contribución a una producción sostenible de alfalfa mediante el manejo de microorganismos rizosféricos en Argentina, Chile y Uruguay
Racca, Roberto Walter; Odorizzi, Ariel; Arolfo, Valeria; Balzarini, Mónica; Basigalup, Daniel Horacio; Brenzoni, E.; Campillo, R.; Cangiano, Carlos Alberto; Collino, Daniel; Correa, N.; Dardanelli, Julio Luis; De Luca, Marcos Javier; González, N.; Grassano, A.; Labandera, C.; Lagares, Antonio; Perticari, Alejandro; Ronchi, A.; Rosas, Susana Beatriz (Ediciones INTA, 2013)Esta publicación resume los trabajos que sobre el cultivo de la alfalfa (Medicago saliva L.) se realizaron conjuntamente entre varias unidades del INTA con universidades nacionales (Córdoba, La Plata, La Pampa y Río Cuarto) ... -
Evaluation of bradyrhizobia strains isolated from field-grown soybean plants in Argentina as improved inoculants
Melchiorre, Mariana; De Luca, Marcos Javier; Gonzalez Anta, Gustavo; Suarez, Paola Alejandra; Lopez, Carlos; Lascano, Hernan Ramiro; Racca, Roberto Walter (Springer, 2010-09-22)Bradyrhizobium strains were isolated from nodules obtained from field-grown soybean plants sampled in 12 soybean production locations in Argentina. These fields had been annually cropped with soybean and did not show ... -
Physiological characterization of four model Lotus diploid genotypes: L. japonicus (MG20 and Gifu), L. filicaulis, and L. burttii under salt stress
Melchiorre, Mariana; Quero, Gastón E.; Parola, Rodrigo; Racca, Roberto Walter; Trippi, Victorio; Lascano, Hernan Ramiro (Elsevier, 2009-09-25)The genus Lotus comprises a heterogeneous group of annual and perennial species. Lotus japonicus (with MG20 and Gifu ecotypes) has been adopted as one of the model legumes in genetic and genomic studies. Other Lotus species, ... -
Saline and osmotic stress differentially affects apoplastic and intracellular reactive oxygen species production, curling and death of root hair during Glycine max L.–Bradyrhizobium japonicum interaction
Muñoz, Nacira Belen; Robert, German; Melchiorre, Mariana; Racca, Roberto Walter; Lascano, Hernan Ramiro (Elsevier, 2011-12-08)In the present study, the production of apoplastic and intracellular reactive oxygen species (ROS) and deformations of young soybean root hairs inoculated with Bradyrhizobium japonicum strain USDA138 were analyzed under ... -
Superoxide dismutase and glutathione reductase overexpression in wheat protoplast: photooxidative stress tolerance and changes in cellular redox state
Melchiorre, Mariana; Robert, German; Trippi, Victorio; Racca, Roberto Walter; Lascano, Hernan Ramiro (Springer, 2008-08-26)In previous works, we have established a correlation between antioxidant system response and tolerance to drought, osmotic stress and photooxidative stress of different wheat cultivars with contrasting drought tolerance. ...