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Mostrando ítems 41-50 de 123
Meios de cultivo e concentrações de BAP na embriocultura do pessegueiro "BRS Kampai"
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilPrograma de Pós-Graduação em AgronomiaUTFPR, 2020-02-21)
Early-ripening Peach cultivars present difficulties in the process of natural germination of seeds. In order to solve this problem, the culture of embryos in vitro can be considered an alternative in which the seeds find ...
Genetic and embryological evidences of apomixis at the diploid level in Paspalum rufum support recurrent auto-polyploidization in the species
(Springer, 2008-09)
Gametophytic apomixis is an asexual mode of reproduction by seeds. This trait is present in several plant families and is strongly associated with polyploidy. Paspalum rufum is a forage grass with sexual self-incompatible ...
Embryology in Helosis cayennensis (Balanophoraceae): Structure of Female Flowers, Fruit, Endosperm and Embryo
(MDPI, 2019-03)
Helosis cayennensis (Balanophoraceae s.str.) is a holoparasite characterised by aberrant vegetative bodies and tiny, reduced unisexual flowers. Here, we analysed the development of female flowers to elucidate their ...
Floral structure, development of the gynoecium, and embryology in Schinopsis balansae Engler (Anacardiaceae), with particular reference to aporogamy
(University Of Chicago Press, 2016-04)
Premise of research. The Apodanthaceae, the only parasitic lineage within the order Cucurbitales, comprises one species of Apodanthes and 12 species of Pilostyles, parasitizing Salicaceae, and legume stems, respectively. ...
Systematic position of Xyris: Flower and seed anatomy
(1999-01-01)
Flower anatomy, embryology, and seed anatomy are described for some Brazilian species of Xyris section Nematopus and reviewed with respect to the systematic position of Xyris and allied taxa in Commelinanae. Apart from ...
La fragua del alma: Crítica de Porfirio a la embriología estoicaSoul’s forge: Porphyry’s criticism to the Stoic embryology
(Facultad de Filosofía y Letras, Universidad de Buenos Aires, 2015)
Embriologia de Acicarpha bonariensis (Pers.) Herter (Calyceraceae)Embryology of Acicarpha bonariensis (Pers.) Herter (Calyceraceae)
(Universidade Federal de UberlândiaBrasilCiências Biológicas, 2018)
COMPARATIVE OVULE ONTOGENY IN SOME MEMBERS OF THE TABEBUIA ALLIANCE (BIGNONIACEAE)
(Univ Chicago Press, 2016-07-01)
Premise of research. Recent phylogenetic studies placed nearly all Neotropical arboreal and shrubby species of the Bignoniaceae (excluding Jacaranda) in the Tabebuia alliance, a clade that includes all of the woody species ...