Produtividade de madeira e ganho genético de procedências de grevílea (Grevillea robusta Cunn.) na região de Ponta Grossa, Paraná

Emerson Gonçalves Martins; José Alfredo Sturion; Edinelson Jsosé Maciel Neves

Wood Production and genetic gain of grevílea (Grevillea robusta Cunn.) provenances at Ponta Grossa region, state of Paraná, Brazil

Authors

Emerson Gonçalves Martins Embrapa Florestas
José Alfredo Sturion Embrapa Florestas
Edinelson Jsosé Maciel Neves Embrapa Florestas

Keywords:

Seed orchard, Progenies

Abstract

A provenance/progenies trial of grevílea (Grevillea robusta Cunn.) was established in the Ponta Grossa region, state of Paraná, Brazil. The purpose was to identify genetically superior individuals in order to assure good material for future seed orchard. The genetic matherial was based on 60 half-sib progenies from eighteen Australian provenances and one control. Progenies were evaluated in randomized blocks with seven replications, five plants per plot and spacing of 3 m x 3 m (9 m2 per plant). Significant gains were estimated through selection of the 200 best trees (23,33%), for cilindric volume, at 10 years age, based on genetic values, aiming to establish a seedling seed orchard; or selecting the best twenty trees (33,33%), towards a clonal seed orchard.

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Published

2004-06-30

Issue

No. 48 (2004): jan./jun.

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Articles

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How to Cite

MARTINS, E. G.; STURION, J. A.; NEVES, E. J. M. Wood Production and genetic gain of grevílea (Grevillea robusta Cunn.) provenances at Ponta Grossa region, state of Paraná, Brazil. Pesquisa Florestal Brasileira, n. 48, p. 29–39, 30 Jun.2004.

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Wood Production and genetic gain of grevílea (Grevillea robusta Cunn.) provenances at Ponta Grossa region, state of Paraná, Brazil

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