Listar por autor "Quarin, Camilo Luis"
Mostrando ítems 1-20 de 21
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Agronomic characterization of paspalum atratum swallen and P. lenticulare kunth
Marcón, Florencia; Urbani, Mario Hugo; Quarin, Camilo Luis; Acuña, Carlos Alberto (International Center for Tropical Agriculture (CIAT), 2018-05-31)Paspalum atratum and P. lenticulare are perennial grasses, native to South America. The objective was to evaluate seasonal growth, frost tolerance, cattle preference, nutritional characteristics, seed yield and germination ... -
Competition between meiotic and apomictic pathways during ovule and seed development results in clonality
Hojsgaard, Diego Hernán; Martínez, Eric Javier; Quarin, Camilo Luis (Wiley, 2013-01)Meiotic and apomictic reproductive pathways develop simultaneously in facultative aposporous species, and compete to form a seed as a final goal. This developmental competition was evaluated in tetraploid genotypes of ... -
Diversity in apomictic populations of Paspalum simplex Morong
Brugnoli, Elsa Andrea; Urbani, Mario Hugo; Quarin, Camilo Luis; Zilli, Alex Leonel; Martínez, Eric Javier; Acuña, Carlos Alberto (Crop Science Soc Amer, 2014)Paspalum is considered a genetic model for studying the sources of genotypic variability and breeding techniques in apomictic plants. Paspalum simplex is a warm-season forage grass that well represents the genus since it ... -
Diversity in diploid, tetraploid and mixed diploid-tetraploid populations of paspalum simplex
Brugnoli, Elsa Andrea; Urbani, Mario Hugo; Quarin, Camilo Luis; Martínez, Eric Javier; Acuña, Carlos Alberto (Crop Science Society of America, 2013-07)The tetraploid cytotype of Paspalum simplex has a wide geographical distribution and reproduces by apomixis, while the diploid grows in a restricted area in northern Argentina and behaves as cross-pollinated. The objective ... -
Genetic relationship among paspalum species of the subgenus anachyris : taxonomic and evolutionary implications
Zilli, Alex Leonel; Hojsgaard, Diego Hernán; Brugnoli, Elsa Andrea; Acuña, Carlos Alberto; Honfi, Ana Isabel; Urbani, Mario Hugo; Quarin, Camilo Luis; Martínez, Eric Javier (Elsevier, 2014-10)Paspalum is one of the most important genera of the Poaceae family due to its large number of species and diversity. The subgenus Anachyris comprises six species mainly from South America grouped together by sharing rare ... -
Genetic transfer from several apomictic tetraploid paspalum species to an elite group of sexual plants
Novo, Patricia Elda; Acuña, Carlos Alberto; Urbani, Mario Hugo; Galdeano, Florencia; Espinoza, Francisco; Quarin, Camilo Luis (Crop Science Society of America, 2020)Basic findings from classical genetic studies are available for exploiting apomixis in the breeding of several forage grass genera. Most Paspalum species are multi- ploid with a sexual diploid cytotype and conspecific ... -
Harnessing apomictic reproduction in grasses : what we have learned from paspalum
Ortíz, Juan Pablo Amelio; Quarin, Camilo Luis; Pessino, Silvina Claudia; Acuña, Carlos Alberto; Martínez, Eric Javier; Espinoza, Francisco; Hojsgaard, Diego Hernán; Sartor, María Esperanza; Cáceres, María Emilia; Pupilli, Fulvio (Oxford University Press, 2013-09)Background: Apomixis is an alternative route of plant reproduction that produces individuals genetically identical to the mother plant through seeds. Apomixis is desirable in agriculture, because it guarantees the perpetuation ... -
Hybridization and heterosis in the plicatula group of paspalum
Novo, Patricia Elda; Acuña, Carlos Alberto; Quarin, Camilo Luis; Urbani, Mario Hugo; Marcón, Florencia; Espinoza, Francisco (Springer, 2017)Most forage cultivars released for thegenus Paspalum belong to a section named Plicatula.The species of Plicatula are mostly apomictic andconsequently the genetic diversity is locked for theirgeneticimprovement. The ... -
Identification of Genes Related to Endosperm Balance Number Insensitivity in Paspalum notatum
Depetris, Mara Belén; Acuña, Carlos Alberto; Pozzi, F. I.; Quarin, Camilo Luis; Felitti, Silvina Andrea (Crop Science Society of America, 2018-02)The endosperm balance number (EBN) theory states that genomic contribution ratio should be kept at maternal/paternal (m:p) ratio for normal endosperm development. However, the endosperm formation in apomictic Paspalum ... -
Inheritance of aposporous apomixis in interspecific hybrids derived from sexual paspalum plicatulum and apomictic paspalum guenoarum
Aguilera, Patricia Mabel; Galdeano, Florencia; Quarin, Camilo Luis; Ortíz, Juan Pablo Amelio; Espinoza, Francisco (Crop Science Society of America, 2015)Apomictic Paspalum plicatulum Michx. and P.guenoarum Arechav. are promising candidates for forage grass development in tropical regions. From a plant breeding perspective, apomixis provides a unique mechanism for developing ... -
Interspecific hybrids between Paspalum plicatulum and P. oteroi: a key tool for forage breeding
Novo, Patricia Elda; Montenegro Valls, José Francisco; Galdeano, Florencia; Honfi, Ana Isabel; Espinoza, Francisco; Quarin, Camilo Luis (Universidade de São Paulo, 2016-08)Grama-tio-pedro (Paspalum oteroi Swallen) is a rare stoloniferous grass of the Plicatula group of Paspalum, well adapted to continuous grazing in areas subject to seasonal flooding in the Pantanal region, in central western ... -
Registration of ‘Boyero UNNE’ Bahiagrass
Urbani, Mario Hugo; Acuña, Carlos Alberto; Doval, D. W.; Sartor, María Esperanza; Galdeano, Florencia; Blount, A. R.; Quesenberry, K. H.; Mackowiak, Cheryl L.; Quarin, Camilo Luis (Crop Science Society of America, 2017-01)‘Boyero UNNE’ (Reg. No. CV-5, PI 676021) bahiagrass (Paspalum notatum Flüggé) was registered with the National Register of Plant Cultivars and the National Register of Property for Plant Cultivars, Ministry of Agriculture, ... -
Relaciones citotaxonómicas entre paspalum almum chase y P. hexastachyum parodi (gramineae)
Quarin, Camilo Luis (Instituto de Botánica del Nordeste, 1974-01-01)En base a material coleccionado en Texas (EE. UU.), Agnes Chase (1933) describió Paspalum almum, incluyéndola en el grupo Notata. Aclara, sin embargo, que su nueva especie no está estrechamente reladonada con ninguna de ... -
Relative DNA content in diploid, polyploid, and multiploid species of Paspalum (Poaceae) with relation to reproductive mode and taxonomy
Galdeano, Florencia; Urbani, Mario Hugo; Sartor, María Esperanza; Honfi, Ana Isabel; Espinoza, Francisco; Quarin, Camilo Luis (Springer, 2016-03-10)It is generally accepted that polyploids have downsized basic genomes rather than additive values with respect to their related diploids. Changes in genome size have been reported in correlation with several biological ... -
Sequence characterization, in silico mapping and cytosine methylation analysis of markers linked to apospory in paspalum notatum
Podio, Maricel; Rodríguez, María Pía; Felitti, Silvina Andrea; Stein, Juliana; Martínez, Eric Javier; Siena, Lorena Adelina; Quarin, Camilo Luis; Pessino, Silvina Claudia; Ortíz, Juan Pablo Amelio (Sociedade Brasileira de Genética, 2012)In previous studies we reported the identification of several AFLP, RAPD and RFLP molecular markers linked to apospory in Paspalum notatum. The objective of this work was to sequence these markers, obtain their flanking ... -
Los sistemas genéticos en poblaciones de complejos agámicos del género Paspalum
Sartor, María Esperanza (Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias, 2011-03-22)Paspalum es uno de los géneros de gramíneas que cuenta con un gran número de especies distribuidas naturalmente en las regiones cálidas del continente americano. El género se caracteriza por presentar especies diploides de ... -
Transcriptome analysis of seed development in apomictic Paspalum notatum
Felitti, Silvina Andrea; Acuña, Carlos Alberto; Ortíz, Juan Pablo Amelio; Quarin, Camilo Luis (Ricardo Antunes Azevedo, 2015-01-01)The seed developmental process involves various tissues with several ploidy levels and different genetic origins. Therefore, its characterisation at the transcriptome level is certainly a challenge. The hypothesis of ... -
Transference of eheat expressed sequence tag-simple sequence repeats to paspalum species and cross-species amplification of paspalum notatum simple sequence repeats : potential use in phylogenetic analysis and mapping
Siena, Lorena Adelina; Sartor, María Esperanza; Quarin, Camilo Luis; Espinoza, Francisco; Ortíz, Juan Pablo Amelio (Crop Science Society of America, 2014-11-12)The genus Paspalum L. includes numerous species of agronomic importance. The objectives of this work were to evaluate the transferability and polymorphism of publicly available wheat (Triticum aestivum L.) expressed sequence ... -
Transferencia génica desde especies tetraploides apomícticas hacia híbridos tetraploides sexuales de origen experimental en el grupo Plicatula de Paspalum
Novo, Patricia Elda (Universidad Nacional del Nordeste. Facultad de Ciencias Agrarias, 2016-03-22)Paspalum pertenece a la familia Poaceae, subfamilia Panicoideae, tribu Paspaleae, subtribu Paspalinae. Comprende aproximadamente 400 especies casi exclusivamente de origen americano. Este género presenta una gran diversidad ... -
Unravelling the ambiguous reproductive biology of paspalum malacophyllum : a decades old story clarified
Hojsgaard, Diego Hernán; Burson, B. L.; Quarin, Camilo Luis; Martínez, Eric Javier (Springer, 2015)In a recent manuscript published by our group we analyzed the reproductive biology of the grass Paspalum malacophyllum by using traditional embryological techniques combined with current cytological and molecular methods. ...