Data/hora: 10/06/2024 17:06:46

Provedor de dados: | 47
País: | Argentina
Título: | Histological analysis of pollen-pistil interactions in sour passion fruit plants (Passiflora edulis Sims)
Autores: | Madureira,Hérika Chagas; Pereira,Telma Nair Santana; Cunha,Maura Da; Klein,Denise Espellet.
Data: | 2012-08-01
Ano: | 2012
Palavras-chave: | Flower; Pollen tube; Pollination; Stigma.
Resumo: | The success of sexual plant reproduction is directly influenced by specific interactions between the pollen and pistil. Light, fluorescence and scanning electron microscopy techniques were used to evaluate the steps of pollination in sour passion fruit plants (Passiflora edulis Sims). In the compatible interaction, pollen tubes grow through stigma projections towards the ovary. The pollen grain surface was found to be spheroidal and to consist of heteroreticulate exine with six colpi. Furthermore, analysis in vivo of pollen-pistil interactions indicated that stigmas of flowers 24 hours before anthesis are unable to discriminate compatible (genetically unrelated) and incompatible (genetically related) pollen grains. Taken together, these results provide insight into the cellular mechanisms underlying pollination in passion fruit plants.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452012000200005
Editor: | Sociedad Latinoamericana de Microscopía Electrónica.; Centro Regional de Investigaciones Científicas y Tecnológicas (Mendoza, Argentina)
Formato: | text/html
Fonte: | Biocell  v.36 n.2 2012
Fonte: | info:eu-repo/semantics/openAccess