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Cytogenetics characterization of Minthostachys mollis (Kunth.) Griseb. Populations from Tucumán province (Argentina)
(Facultad de Agronomía y Zootecnia, Universidad Nacional de Tucumán, 2013-07)Minthostachys mollis (Kunth.) Griseb. (Lamiaceae) is a native species from the central and northwest Argentinean region. Reported a chromosome number are 2n = 24 and 2n = 42. In this work, two populations of M. mollis were ... -
Deep cytogenetics analysis reveals meiotic recombination depletion in species of Senecio (Asteraceae)
(Springer Open, 2013-08)Background: Senecio is the largest genus in the Asteraceae family growing in all environments around the world. It displays taxonomic and systematical difficulties. Cytogenetic knowledge of this genus is ancient, scarce ... -
Mode of Reproduction and Meiotic Chromosome Behavior in Acroceras macrum
(Wiley, 2020-01)Acroceras macrum Stapf is a high-quality C3 grass species adapted to the subtropics. It is a valuable forage resource in frequently flooded environments. The objectives were to analyze the type of polyploidy, mode of ... -
On the origin of neo-sex chromosomes in the neotropical dragonflies Rhionaeschna bonariensis and R. planaltica (Aeshnidae, Odonata)
(MDPI, 2022-12)Odonata have holokinetic chromosomes. About 95% of species have an XX/X0 sex chromosome system, with heterogametic males. There are species with neo-XX/neo-XY sex chromosomes resulting from an X chromosome/autosome fusion. ... -
Utilización de plantas puente en el mejoramiento del complejo Calibrachoa – Petunia
(Universidad de Concepción, Chile, 2021)La técnica de hibridación a través de plantas puentes, utiliza cruzamientos indirectos o intermedios como instrumento para cruzar parentales con diferente nivel de ploidía. El objetivo de este trabajo fue obtener híbridos ...