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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References

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Published

2004-06-30

How to Cite

MARTINS, Emerson Gonçalves; STURION, José Alfredo; NEVES, Edinelson Jsosé Maciel. Wood Production and genetic gain of grevílea (Grevillea robusta Cunn.) provenances at Ponta Grossa region, state of Paraná, Brazil. Pesquisa Florestal Brasileira, [S. l.], n. 48, p. 29–39, 2004. Disponível em: https://pfb.sede.embrapa.br/pfb/article/view/1594. Acesso em: 20 apr. 2025.

Issue

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

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Articles

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