Mostrando 10 resultados de: 23
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Annals of Botany(2)
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Better common than rare? Effects of low reproductive success, scarce pollinator visits and interspecific gene flow in threatened and common species of Tibouchina (Melastomataceae)
ArticleAbstract: The reasons for plant rarity have been the focus of many studies, especially because rare species arPalabras claves:Conservation, ECUADOR, IUCN, rain forest, rarity, reproductive successAutores:I Marques, Isabel Marques, X. Rojas, Xavier Rojas RuilovaFuentes:rraaescopusBoth biotic and abiotic factors influence floral longevity in three species of Epidendrum (Orchidaceae)
ArticleAbstract: Extended flower longevity has been widely defended to occur as a consequence of low pollination actiPalabras claves:Epidendrum, flower longevity, Neotropics, orchids, pollinatorsAutores:Isabel Marques, Yesenia VegaFuentes:scopusA three-genome five-gene comprehensive phylogeny of the bulbous genus Narcissus (Amaryllidaceae) challenges current classifications and reveals multiple hybridization events
ArticleAbstract: Besides being one of the most popular ornamental bulbs in western horticulture, the Mediterranean gePalabras claves:hybridization, ITS, Mediterranean region, Narcissus, Organellar DNA, phylogenyAutores:Fuertes-Aguilar J., Isabel Marques, Martins-Loução M.A., Moharrek F., Nieto Feliner G.Fuentes:scopusConvergent recruitment of new pollinators is triggered by independent hybridization events in Narcissus
ArticleAbstract: Hybridization can generate new species if some degree of isolation prevents gene flow between the hyPalabras claves:Ant pollination, Daffodils, Monocots, Narcissus, Pollinator shift, Reproductive isolation, ScentAutores:Fuertes-Aguilar J., Isabel Marques, Jürgens A., Nieto Feliner G.Fuentes:scopusCryptic species in an ancient flowering-plant lineage (Hydatellaceae, Nymphaeales) revealed by molecular and micromorphological data
ArticleAbstract: The flora of the southwestern Australian biodiversity hotspot is rich in endemic species, many of whPalabras claves:Fruit anatomy, Genome size, pericarp, Phylogeography, plastid data, Polyploidy, species-level taxonomy, SSR-analysis, Trithuria, Western AustraliaAutores:Graham S.W., Hidalgo O., Isabel Marques, Lam V.K.Y., Macfarlane T.D., Pellicer J., Remizowa M.V., Rudall P.J., Sokoloff D.D.Fuentes:scopusAcquiring baseline information for successful plant translocations when there is no time to lose: the case of the neglected Critically Endangered Narcissus cavanillesii (Amaryllidaceae)
ArticleAbstract: The success of plant translocations rely heavily on obtaining suitable baseline information on the sPalabras claves:Alqueva Dam Portugal, Evaluating success, Hydro-electric project, Monitoring, translocationAutores:David Draper, Iriondo J.M., Isabel MarquesFuentes:scopusGenetic structure and diversity of the selfing model grass Brachypodium stacei (Poaceae) in Western Mediterranean: Out of the Iberian Peninsula and into the islands
ArticleAbstract: Annual Mediterranean species of the genus Brachypodium are promising model plants for energy crops sPalabras claves:Annual model grass species, Balearic (Gymnesic) and Canarian islands, Brachypodium stacei, Genetic diversity and structure, Isolation, SSRs, Western MediterraneanAutores:Catalan P., Isabel Marques, Olonova M., Shiposha V.Fuentes:scopusGenome size and base composition variation in natural and experimental Narcissus (Amaryllidaceae) hybrids
ArticleAbstract: •Background and Aims: Although there is evidence that both allopolyploid and homoploid hybridizationPalabras claves:Amaryllidaceae, base composition, DAPI, Flow cytometry, Genome size, Interspecific hybrids, Narcissus, Polyploidy, propidium iodideAutores:Fuertes-Aguilar J., G. Nieto, I Marquéz, Isabel Marques, J. Aguilar, M. Martins, Martins-Loução M.A., Nieto Feliner G.Fuentes:rraaescopusFitness in Narcissus hybrids: Low fertility is overcome by early hybrid vigour, absence of exogenous selection and high bulb propagation
ArticleAbstract: 1. The evolutionary fate of natural hybridization is determined by the fitness of hybrids. SpecificaPalabras claves:Asexual fitness, hybridization, plant-plant interactions, Sexual fitness, transplant experimentsAutores:Fuertes-Aguilar J., Isabel Marques, Martins-Loução M.A., Nieto Feliner G.Fuentes:scopusEarly Signs of the Effects of Forest Fragmentation on the Genetic Diversity and Structure of the Threatened Ecuadorian Tree Ocotea rotundata (Lauraceae)
ArticleAbstract: The diversity of genetic resources is essential to cope with environmental changes. However, despitePalabras claves:Deforestation, ECUADOR, GENETIC DIVERSITY, Inbreeding, Neotropical forests, OcoteaAutores:Carlos Naranjo, David Draper, Isabel Marques, Lorena RiofríoFuentes:scopus