Utilize este identificador para referenciar este registo: https://hdl.handle.net/10316/24936
Título: Sexual reproduction of the pentaploid, short-styled Oxalis pes-caprae allows the production of viable offspring
Autor: Costa, J. 
Ferrero, V. 
Loureiro, J. 
Castro, M. 
Navarro, L. 
Castro, S. 
Palavras-chave: Heterostyly; Incompatibility system; Invader; Pentaploid; Tristyly; Western Mediterranean
Data: 2014
Editora: WILEY-BLACKWELL
Título da revista, periódico, livro ou evento: Plant Biology
Volume: 16
Número: 1
Resumo: Reproduction is a key factor for the successful establishment and spread of introduced species. Oxalis pes-caprae is a tristylous species with a self- and morph-incompatibility sexual system that, in the invaded range of the western Mediterranean Basin, has been found to reproduce asexually because only the pentaploid, short-styled morph (5x S-morph) was introduced. The objective of this study was to test the ability of the 5x S-morph of O. pes-caprae to produce viable offspring in the absence of compatible mates, exploring the hypothesis that new morphs could have emerged by sexual reproduction events of the initially introduced morph. Pollen germination, pollen tube development, fruit and seed production, seed germination and offspring ploidy levels were analysed after controlled hand-pollinations to assess self- and morph-incompatibility and production of viable gametes by the 5x S-morph. The self-incompatibility system is still operating, but a partial breakdown in the morph-incompatibility system combined with the production of viable gametes was observed, allowing sexual reproduction of the 5x S-morph in the invaded range. The ability of the 5x S-morph to reproduce sexually may have major consequences for the dynamics of invasive populations of O. pes-caprae and could be one of the factors involved in the occurrence of new floral morphs in this invaded range.
URI: https://hdl.handle.net/10316/24936
ISSN: 1435-8603
DOI: 10.1111/plb.12010
Direitos: openAccess
Aparece nas coleções:FCTUC Ciências da Vida - Artigos em Revistas Internacionais

Ficheiros deste registo:
Ficheiro Descrição TamanhoFormato
plb12010.pdf314.17 kBAdobe PDFVer/Abrir
Mostrar registo em formato completo

Citações SCOPUSTM   

21
Visto em 11/nov/2022

Citações WEB OF SCIENCETM

18
Visto em 2/mai/2023

Visualizações de página

312
Visto em 26/mar/2024

Downloads

330
Visto em 26/mar/2024

Google ScholarTM

Verificar

Altmetric

Altmetric


Todos os registos no repositório estão protegidos por leis de copyright, com todos os direitos reservados.