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(DOWNLOAD) "Tripterocalyx Carneus (Nyctaginaceae) is Self-Compatible (Notes) (Report)" by Southwestern Naturalist ~ eBook PDF Kindle ePub Free

Tripterocalyx Carneus (Nyctaginaceae) is Self-Compatible (Notes) (Report)

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eBook details

  • Title: Tripterocalyx Carneus (Nyctaginaceae) is Self-Compatible (Notes) (Report)
  • Author : Southwestern Naturalist
  • Release Date : January 01, 2008
  • Genre: Life Sciences,Books,Science & Nature,
  • Pages : * pages
  • Size : 168 KB

Description

ABSTRACT--Recent phylogenetic work has demonstrated that the ability of species of the angiosperm family Nyctaginaceae to self-fertilize is evolutionarily labile. However, the potential for further investigation of the evolution of mating systems in the family is limited, because there is no information on reproductive biology for several genera. I performed an experiment on a natural population of Tripterocalyx carneus to determine whether this species is self-compatible. Individual flowers were emasculated, bagged to exclude pollinators, or both. Flowers that were bagged but not emasculated set viable fruit in the majority of cases, which demonstrates that this species is self-compatible. RESUMEN--Un estudio filogenetico reciente ha demostrado que la capacidad de autofecundacion de las especies de la familia Nyctaginaceae de las angiospermas es evolutivamente cambiable. Sin embargo, el potencial de investigaciones extensas sobre la evolucion de sistemas de reproduccion en la familia es limitado, porque no hay informacion sobre la biologia reproductiva de varios generos. Realice un experimento sobre una poblacion natural de Tripterocalyx carneus para determinarse si esta especie es autocompatible. A flores individuales se les removieron los estambres o fueron embolsadas para excluir a los polinizadores, o ambos. El grupo de flores que fue embolsado, pero al que no se le removieron los estambres, produjo frutos viables en la mayoria de los casos, lo cual demuestra que esta especie es autocompatible.


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