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A genetic approach to the species problem in wild potato
Camadro, Elsa Lucila; Erazzu, Luis Ernesto; Maune, Juan Federico; Bedogni, Maria Cecilia (Wiley, 2012-07)Wild potatoes are native to the Americas, where they present very wide geographical and ecological distribution. Most are diploid, obligate out‐crossers due to a multiallelic gametophytic self‐incompatibility (S) locus ... -
Análisis polínico de dos genotipos de Stevia rebaudiana Bertoni incorporados a Tucumán
Budeguer, Carlos Jorge; Erazzu, Luis Ernesto; Andrada Mansilla, Bruno A.; Pastoriza, Adriana del Valle; Martínez Pulido, Laura; Nasif, Alicia; Herrero Nasif, P. (Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2014-12)Stevia rebaudiana Bert. (2n=2x=22), es una planta herbácea, perenne de la familia Asteraceae, que presenta glucósidos de esteviol de alto poder edulcorante. El steviósido, el glucósido más abundante en esta especie, posee ... -
Caracterización estructural y morfogenética de una colección de poblaciones naturalizadas de Panicum maximum Jacq. en Argentina
Ortega Masague, Maria Florencia; Erazzu, Luis Ernesto; Andres, Adriana Noemi (Gerencia de Comunicación e Imagen Institucional, DG-SICyP, INTA, 2020-04)El objetivo de este trabajo fue estimar la variabilidad genética presente entre seis poblaciones naturalizadas de Panicum maximum Jacq. (= Megathyrsus maximus (Jacq.) B.K. Simon y S.W.L. Jacobs) en el noroeste argentino. ... -
Caracterización genética de las especies silvestres de papa Solanum gourlayi y Solanum spegazzinii e incorporación de germoplasma silvestre a la papa cultivada
Erazzu, Luis Ernesto (Facultad de Ciencias Agrarias, Universidad Nacional de Mar del Plata, 2009)La papa común, Solanum tuberosum L., es una especie tetraploide (2n=4x=48, 4NBE), que presenta alrededor de 200 especies emparentadas que constituyen un importante recurso genético para el mejoramiento heredable. Sin ... -
Cell-wall chemical-composition analysis of a Saccharum spp. progeny for increased bagasse digestibility
Garcia, José María; Acevedo, Alberto; Silva, M.P.; Gomez, L.; Erazzu, Luis Ernesto (International Society of Sugar Cane Technologists, 2019-09)Knowledge of cell-wall composition in sugarcane hybrids could be used for the selection of cultivars with high bagasse digestibility in order to improve sugar release in 2G ethanol production. Cell-wall components of 76 ... -
Efecto del etil metanosulfonato sobre la capacidad embriogénica y la regeneración in vitro en caña de azúcar
Di Pauli, Valentina; Fontana, Paola Daniela; Lewi, Dalia Marcela; Erazzu, Luis Ernesto (Asociación Latinoamericana de Genética, 2019)El mejoramiento genético de caña de azúcar se enfrenta a su complejo genoma, la estrecha base genética, y la fertilidad deficiente que dificultan la obtención de genotipos superiores. -
Efectos de la densidad de siembra sobre Chenopodium quinoa (quinoa). Incidencia sobre variables morfológicas y rendimiento de grano en la variedad CICA cultivada en Amaicha del Valle (Tucumán, Argentina)
Erazzu, Luis Ernesto; González, Juan A.; Buedo, Sebastián E.; Prado, Fernando E. (Fundación Miguel Lillo, 2016-06)El cultivo de la quinoa ha comenzado a extenderse en el Noroeste Argentino (NOA) y en especial en los Valles Calchaquíes (valles de altura ubicados en el Noroeste de Argentina). La variedad más utilizada es CICA, originaria ... -
Estimación de la variabilidad genética generada en poblaciones mutagenizadas de caña de azúcar
Di Pauli, Valentina; Fontana, Paola Daniela; Lewi, Dalia Marcela; Felipe, Arturo; Erazzu, Luis Ernesto (REDBIO, 2021-06)La mutagénesis in vitro se ha convertido en una herramienta útil en el desarrollo de mutantes, especialmente en plantas de propagación vegetativa, combinando la variación somaclonal generada por el cultivo in vitro y la ... -
Evaluating the potential of culms from sugarcane and energy cane varieties grown in Argentina for second‑generation ethanol production
Ousmane Kane, Aissata; Arnoldi Pellergini, Vanessa; Espirito Santo, Melissa; Diop Ngom, Balla; Garcia, José María; Acevedo, Alberto; Erazzu, Luis Ernesto; Polikarpov, Igor (Springer, 2021-07-26)The efficient transformation of lignocellulosic biomass into fermentable sugars is essential for building bioeconomies. Sugarcane is an important agricultural crop in a number of Latin American countries, including Brazil ... -
Genetic diversity and population structure of the sweet leaf herb, Stevia rebaudiana B., cultivated and landraces germplasm assessed by EST-SSRs genotyping and steviol glycosides phenotyping
Cosson, Patrick; Hastoy, Cécile; Erazzu, Luis Ernesto; Budeguer, Carlos Jorge; Boutié, Philippe; Rolin, Dominique; Schurdi-Levraud, Valérie (BMC, 2019-10)Background: Stevia rebaudiana (Asteraceae), native from Paraguay, accumulates steviol glycosides (SGs) into its leaves. These compounds exhibit acaloric intense sweet taste which answers to consumer demands for reducing ... -
Leaves from four different sugarcane varieties as potential renewable feedstocks for second-generation ethanol production: Pretreatments, chemical composition, physical structure, and enzymatic hydrolysis yields
Espirito Santo, Melissa; Ousmane Kane, Aissata; Arnoldi Pellergini, Vanessa; Thema, Force Tefo; Garcia, José María; Acevedo, Alberto; Erazzu, Luis Ernesto; Guimaraes, Francisco E.G.; Azevedo, Eduardo R. de; Polikarpov, Igor (Elsevier, 2022-10)Development of Bioeconomy is impossible without establishing efficient technologies of lignocellulosic biomass valorization via transformation into fermentable sugars. Sugarcane is a valuable agricultural crop in several ... -
Nuevas variedades de caña de azúcar desarrolladas por el INTA Famaillá
Sopena, Roberto Alfredo; Felipe, Arturo; Rago, Alejandro Mario; Erazzu, Luis Ernesto; Mariotti, Jorge A.; Perez Gomez, Sergio Gregorio; Fontana, Paola Daniela; Di Pauli, Valentina (EEA Famailla, INTA, 2015)En el trabajo se detallan las características morfológicas, fenológicas y tecnológicas de las variedades L 91-281, INTA NA 89-686, INTA NA 91-209 e INTA CP 98-828, inscriptas en el INASE. El objetivo es reforzar las ... -
Optimized somatic embryogenesis and plant regeneration in elite Argentinian sugarcane (Saccharum spp.) cultivars
Di Pauli, Valentina; Fontana, Paola Daniela; Lewi, Dalia Marcela; Felipe, Arturo; Erazzu, Luis Ernesto (Springer, 2021-11)Background: Biotechnological breeding of elite sugarcane cultivars is currently limited because of the difficulty of regenerating plants by tissue culture. Here, we report that commercially elite sugarcane genotypes, which ... -
Over time variation in microsatellite (ssr) patterns in a natural wild potato population from northwest Argentina.
Leofanti, Gabriela; Camadro, Elsa Lucila; Erazzu, Luis Ernesto (Crop Science Society of America, 2021-02-26)The common potato, Solanum tuberosum L. (2n = 4x = 48), has 100–200 related wild taxonomic species endemic to the Americas, which constitute invaluable sources of genetic diversity. They form a polyploid series with 2n = ... -
Pedigree comparison highlights genetic similarities and potential industrial values of sugarcane cultivars
Acevedo, Alberto; Tejedor, Matias Tomás; Erazzu, Luis Ernesto; Sopena, Roberto Alfredo; Cabada, Santiago (2017-06)Cultivar pedigrees from two sugarcane origins, 9 Argentine (AR) and 7 American (AM) have been reconstructed, and their genetic similarities (based on coefficient of parentage, COP, estimates) show an average of 0.206 ± ... -
Quinoa Phenotyping Methodologies: An International Consensus
Stanschewski, Clara S.; Rey, Elodie; Fiene, Gabriele; Craine, Evan B.; Wellman, Gordon; Melino, Vanessa J.; Patiranage, Dilan S.R.; Johansen, Kasper; Schmöckel, Sandra M.; Erazzu, Luis Ernesto; Tester, Mark (MDPI, 2021-08)Quinoa is a crop originating in the Andes but grown more widely and with the genetic potential for significant further expansion. Due to the phenotypic plasticity of quinoa, varieties need to be assessed across years and ... -
Somatic embryogenesis response in Argentinian sugarcane genotypes for in vitro mutagenesis application
Di Pauli, Valentina; Fontana, Paola Daniela; Lewi, Dalia Marcela; Felipe, Arturo; Erazzu, Luis Ernesto (International Society of Sugar Cane Technologists, 2019-09)Somatic embryogenesis is an excellent process for chemical mutation induction as somatic embryos originate from a single cell, hence limiting chimeras to very low frequencies in regenerated mutants. Callus formation and ... -
Translational genomics from sorghum (Sorghum bicolor) to sugarcane (Saccharum spp.) for bioenergy breeding
Federico, María Laura; Diniz, Augusto L.; Souza, Glaucia M.; Snowdon, Rod; Erazzu, Luis Ernesto (Wiley, 2022-04)Large-scale evaluation of genetic diversity in crops with large and complex genomes benefits from the selective enrichment of relevant genomic regions prior to sequencing. Given the complexity of the sugarcane (Saccharum ... -
Yields and economic results of sugarcane cultivation under an alternative system compared to traditional management
Tesouro, Mario Omar; Fernandez Ullivarri, Enrique; Venturelli, Leonardo; Roba, Marcos Andrés; Romito, Angel; Donato, Lidia Beatriz; Bongiovanni, Rodolfo; Erazzu, Luis Ernesto; Fontana, Paola Daniela; Peralta, Adriana (International Society of Sugar Cane Technologists, 2019-09)In the traditional method of managing sugarcane in Argentina, the entire field where the crop will be planted is severely ploughed, requiring large amounts of energy. In addition, during the subsequent maintenance tasks, ...