Data/hora: 02/06/2024 13:09:27

Provedor de dados: | Brazilian Archives of Biology and Technology
País: | Brazil
Título: | Genetic variability of pre and post-fragmentation cohorts of Aspidosperma polyneuron Muell. Arg. (Apocynaceae)
Autores: | Torezan,José Marcelo Domingues; Souza,Rogério Fernandes de; Ruas,Paulo Maurício; Ruas,Claudete de Fátima; Camargo,Elvis Hassmann; Vanzela,André Luís Laforga.
Data: | 2005-03-01
Ano: | 2005
Palavras-chave: | Aspidosperma; DNA markers; Forest fragmentation; Genetic variability; Peroba-rosa; RAPD.
Resumo: | RAPD was used to access the genetic variability in Aspisdosperma polyneuron, a long-lived, late-reproducing tropical tree, and highly important for the Atlantic Forest. RAPD profiles from adults (pre-fragmentation, &gt;300 years old) and seedlings (post-fragmentation, &lt;&lt;50 years old) were analyzed. Results showed a decrease of genetic polymorphism of post-fragmentation cohorts in small fragments and higher genetic diversity within population. The genetic diversity distribution suggested the establishment of fragments as protected reserves, and the transference of seedlings among fragments for conservation of A. polyneuron.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132005000200002
Editor: | Instituto de Tecnologia do Paraná - Tecpar
Relação: | 10.1590/S1516-89132005000200002
Formato: | text/html
Fonte: | Brazilian Archives of Biology and Technology  v.48 n.2 2005
Fonte: | info:eu-repo/semantics/openAccess