Temas
Mostrando ítems 1-20 de 177
-
A candidate gene survey of quantitative trait loci affecting chemical composition in tomato fruit
(Society for Experimental Biology, 2008-07)In tomato, numerous wild-related species have been demonstrated to be untapped sources of valuable genetic variability, including pathogen-resistance genes, nutritional, and industrial quality traits. From a collection of ... -
A genetic approach to the species problem in wild potato
(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 ... -
A look at polyploidy and plant breeding
(Heighten Science Publications, 2022-11)Polyploidization is a process that generates genetic variability and therefore one of the engines of biological evolution. Since polyploidization produces important changes in the phenotype, mainly an increase in the size ... -
Alfalfa mosaic virus (AMV): genetic diversity and a new natural host
(Springer, 2021-10-15)Alfalfa mosaic virus (AMV) is a plant virus belonging to the genus Alfamovirus in the family Bromoviridae. AMV occurs worldwide and is one of the most important viruses affecting a large number of plant species, mainly ... -
An analysis of the genomic variability of the phytopathogenic mollicute Spiroplasma kunkelii
(American Phytopathological Society, 2013-02)Corn stunt disease has become a factor limiting maize production in some areas of the Americas in recent years. Although resistant maize genotypes have been developed in the past, this resistance has been unstable over ... -
Analysis of genetic variability in in vitro regenerated buffelgrass plants through issr molecular markers = Análisis de variabilidad genética en plantas regeneradas in vitro de buffelgrass mediante marcadores moleculares issr
(Universidad Nacional de Cuyo, 2018)Genetic variability can be generated through in vitro culture via somaclonal variation. This tool can be potentially useful in a breeding program involving apomictic buffelgrass genotypes. The aim of this work was to ... -
Analysis of Genetic Variability in the Argentine Polo Horse With a Panel of Microsatellite Markers
(Elsevier, 2020-11)Argentine Polo (AP) is a young horse breed with a fast expansion because of an open registry policy and the application of assisted reproduction technologies. In the last years, AP showed a remarkable progress associated ... -
Análisis de la variabilidad genética mediante marcadores ISSR en Calibrachoa
(Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, 2011)El género Calibrachoa, de considerable importancia como cultivo ornamental, debido a la variabilidad y vistosidad de sus flores, pertenece a la familia Solanaceae. Históricamente, las especies de Calibrachoa eran incluidas ... -
Andean maize in Argentina : physiological effects related with altitude, genetic variation, management practices and possible avenues to improve yield
(Maximum Academic Press, 2023-11)In the Argentinean Andean region, maize is a main staple being cropped up to 3,900 m above sea level (masl). Yields are limited by the sharp decrease in temperature associated with altitude but also by a lack of management ... -
Aplicación de mutagénesis in vitro en genotipos INTA de caña de azúcar para la generación de variabilidad genética
(Facultad de Ciencias Agrarias, Universidad Nacional de Rosario, 2020-12)El mejoramiento genético de caña azúcar se enfrenta a su complejo genoma, la estrecha base genética y la baja fertilidad de los cultivares modernos que dificultan la obtención de genotipos superiores. La mutagénesis in ... -
Aspectos biológicos y epidemiológicos de enfermedades del tabaco causadas por Rhizoctonia solani, en el noroeste argentino
(Escuela para Graduados Ing. Agr. Alberto Soriano, Facultad de Agronomía, Universidad de Buenos Aires, 2015-12-09)Las enfermedades en tabaco (Nicotiana tabacum L.), causadas por Rhizoctonia solani Künh, y en importancia de prevalencia la podredumbre radicular, son las enfermedades que causan mayores pérdidas en la producción. Cuanto ... -
Assessing the genetic diversity of Panicum coloratum var. makarikariense using agro‐morphological traits and microsatellite‐based markers
(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, ... -
Assessment of cold tolerance at early developmental stages and allelic variation at candidate genes in South American rice germplasm
(Springer, 2014-06)Rice is susceptible to cold during early developmental stages. Most tolerant cultivars have been developed for other conditions than those occurring in South America’s rice growing areas, or their grain type is not suitable ... -
Assessment of phenotypic variability among EEA INTA Pergamino sunflower lines: Its relationship with the grain yield and oil content
(2021-05)The aims of the present study were to assess the phenotypic diversity among 221 sunflower accessions of INTA Pergamino Sunflower Breeding Program, to obtain discriminant functions that allow the classification of new ... -
Banana somaclonal variation assessed by Amplified Fragment Length Polymorphism profiles at early cycles of in vitro culture = Variación somaclonal en banana evaluada por los perfiles de polimorfismo en la longitud de los fragmentos amplificados en ciclos tempranos de cultivo in vitro
(Facultad de Ciencias Agropecuarias, Universidad Nacional de Córdoba, 2021-12)Banana micropropagation for obtaining free-virus plants frequently provokes somaclonal variation that could increase useful genetic variability in this asexually propagated crop. Both exploring the cycle ... -
Bosques monotípicos de Gonopterodendron sarmientoi: ambiente, genética y morfología de los palosantales
(Asociación Argentina de Ecología, 2022-06-26)Gonopterodendron sarmientoi —Palo Santo— es una especie forestal típica chaqueña, presente en bosques mixtos o formando densos bosques monotípicos (palosantales). Por pérdida de hábitat y alta explotación, G. sarmientoi ... -
El bovino Criollo Argentino: principales características de la raza
(Asociación Latinoamericana de Producción Animal, 2021-06)El bovino Criollo Argentino tiene sus orígenes en el ganado introducido a América por los españoles durante la colonización. Fenotípicamente se caracteriza por la gran diversidad de colores de capa y por ... -
Caracterización agromorfológica y de calidad nutricional de poblaciones locales de maíz de la provincia de Misiones, Argentina
(Facultad de Agronomía, Universidad de Buenos Aires, 2016-05)El maíz (Zea mays L.) presenta una gran diversidad de razas que pueden agruparse según sus características y usos diferenciales. La mayor parte del maíz sembrado en la provincia de Misiones corresponde a poblaciones locales, ... -
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
(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 ... -
Caracterización de poblaciones nativas de maíz mediante análisis de procrustes generalizado y análisis factorial múltiple
(Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, 2012)El establecimiento de relaciones entre taxones es un paso esencial en el proceso de catalogación y evaluación del material conservado en un Banco de Germoplasma. Existen distintos métodos de evaluación en función del tipo ...