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Nivel de ADN-Ploidía en poblaciones sudamericanas y norteamericanas de la gramínea nativa disyunta Trichloris crinita (Chloridoideae, Poaceae)
(Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 2021-04-24)
Trichloris crinita es una gramínea nativa de distribución disyunta que habita regiones áridas y semiáridas de Sud y Norteamérica. Trabajos previos mostraron uniformidad en el nivel de ploidía en poblaciones sudamericanas ...
Effect of colchicine and amiprophos-methyl on the production of in vitro doubled haploid onion plants and correlation assessment between ploidy level and stomatal sizeEfecto de la colchicina y del amiprofos-metil en la producción in vitro de plantas dihaploides de cebolla y determinación de la correlación entre el nivel de ploidía y tamaño de los estomas
(Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias, 2013-12)
Doubled haploid onion (Allium cepa L.) plants allow the production of completely homozygous lines for a later production of hybrids. The haploid plants are normally produced using in vitro gynogenesis. The obtained haploid ...
Chromosome Numbers and Ploidy Levels of Some Paniceae and Paspaleae Species (Poaceae, Panicoideae)
(Missouri Botanical Garden, 2021-07)
Chromosome numbers and ploidy levels of 24 accessions of 17 species of tribe Panicoideae from Argentina, Cuba, and Brazil are given. Most of the studied species are endemics. The studied taxa are: Axonopus aureus P. Beauv., ...
A comprehensive analysis of gene expression alterations in newly synthesized Paspalum notatum autotetraploid
(Elsevier Ireland, 2005-12)
Although the causes of novel variation in polyploids are not well understood, they could involve changes in gene expression through dosage-regulation, altered regulatory interactions and rapid genetic/epigenetic changes. ...
Patterns of cytotype variation of Turnera sidoides subsp. pinnatifida (Turneraceae) in mountain ranges of central Argentina
(Springer Tokyo, 2011-01)
Cytogeographical variability among 564 plants from 26 populations of Turnera sidoides subsp. pinnatifida in mountain ranges of central Argentina was analysed with meiotic chromosome counts and flow cytometry and is described ...
Additive genetic variance and covariance between relatives in synthetic wheat crosses with variable parental ploidy levels
(Oxford University Press, 2021-01-07)
Cultivated bread wheat (Triticum aestivum L.) is an allohexaploid species resulting from the natural hybridization and chromosome doubling of allotetraploid durum wheat (T. turgidum) and a diploid goatgrass Aegilops tauschii ...
Estabilidad productiva de variedades de raigrás anual
(Estación Experimental Agropecuaria General Villegas, INTA, 2021)
El conocimiento del ambiente productivo y la caracterización del comportamiento de los genotipos en forma integrada, contribuirá a una mejor comprensión de la productividad media de los distintos genotipos y probables ...
Complementary Sex Determination in the Parasitic Wasp Diachasmimorpha longicaudata
(Public Library of Science, 2015-03-19)
We studied the sex determination in Diachasmimorpha longicaudata, a parasitoid braconid wasp widely used as biological control agent of fruit pest tephritid flies. We tested the complementary sex determination hypothesis ...
Effect of colchicine and amiprophos-methyl on the production of in vitro doubled haploid onion plants and correlation assessment between ploidy level and stomatal size = Efecto de la colchicina y del amiprofos-metil en la producción in vitro de plantas dihaploides de cebolla y determinación de la correlación entre el nivel de ploidía y tamaño de los estomas
(Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias, 2013)
Doubled haploid onion (Allium cepa L.) plants allow the production of completely homozygous lines for a later production of hybrids. The haploid plants are normally produced using in vitro gynogenesis. The obtained haploid ...
Cytotaxonomy and geographic distribution of cytotypes of species of the South American genus Chrysolaena (Vernonieae, Asteraceae)
(Wiley-liss, Inc, 2019-09)
Understanding speciation and biodiversity patterns in plants requires knowledge of the general role of climate in allowing polyploids to escape competition and persist with their diploid progenitors. This is a particularly ...