Genetics Variability for the Teca Parent Trees Germination Trait, in Alegre County, Espírito Santo State, Brazil

Goal was to estimate genetic variability, genetic parameters and gains, as well as germination rateon teca parent trees. Seeds were collected from Cachoeiro de Itapemirim (ES) county. The trial was carriedout in the Espírito Santo Federal University. Experimental design was randomized blocks with 60...

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Bibliographic Details
Authors: Costa, Reginaldo Brito da, Chichorro, José Franklim, Resende, Marcos Deon Vilela de, Roa, Raul Alffonso Rodrigues, Cotta, Thiago Reggiani, Cezana, Diego Piva
Format: article
Status:Published version
Publication Date:2010
Country:Brasil
Institution:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
Repository:Pesquisa Florestal Brasileira (Online)
Language:Portuguese
OAI Identifier:oai:ojs.pkp.sfu.ca:article/16
Online Access:https://pfb.sede.embrapa.br/pfb/article/view/16
Access Level:Open access
Keyword:Tectona grandis
genetic gains
heritability.
ganho genético
herdabilidades.
Description
Summary:Goal was to estimate genetic variability, genetic parameters and gains, as well as germination rateon teca parent trees. Seeds were collected from Cachoeiro de Itapemirim (ES) county. The trial was carriedout in the Espírito Santo Federal University. Experimental design was randomized blocks with 60 treatments,5 repetitions each and 19 plants per plot. Demonstrated genetic variability, individual heritability and parenttrees mean suggest great likelihood of genetic gain at more advanced ages. The 41, 11, 43 and 37 parent treespresented larger genetic gains associated with increase on rate and germination percentages.

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