Componentes de variância de características de sementes de duas populações de imbuia (Ocotea porosa Nees et Martius ex. Nees, Lauraceae) de Santa Catarina

Antonio Nascim Kalil Filho; Elcio Hirano; Filipe Nicolotti

Variance components for characteristics of imbuya (Ocotea porosa Nees et Martius ex. Nees, Lauracea) seeds populations of Santa Catarina, Brazil

Authors

Antonio Nascim Kalil Filho Embrapa Florestas
Elcio Hirano Embrapa NT, escritório de Canoinhas
Filipe Nicolotti Embrapa Florestas

Keywords:

Selection, Germplasm, Gains, Parameters

Abstract

Imbuya (Ocotea porosa Nees et Martius ex. Nees, Lauracea) is a species of Mixed Ombrophylous Forest threatened of extinction that owns a high quality wood for furniture. Embrapa Florestas is performing imbuya seeds collections for establishing a germplasm bank in october, 2004 in the state of Santa Catarina, Brazil. In spite of its importance, studies about variance components as a basis for phenotypic selection of its characteristics don´t exist. Weight and diameter of seeds collected in two Santa Catarina populations (Canoinhas and Caçador districts) were measured. High repeatability and selective accuracy values were obtained (approximately) for the two characteristics. Predicted phenotypic gains were higher for seed weight than seed diameter.

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References

CARVALHO, P. E. R. Espécies florestais brasileiras: recomendações silviculturais, potencialidades e uso da madeira. Colombo: EMBRAPA-CNPF; Brasília: EMBRAPA-SPI, 1994, 639 p.
RESENDE, M. D. V. de. Software SELEGEN - REML/BLUP. Colombo: Embrapa Florestas, 2002a. 67 p. (Embrapa Florestas, Documentos, 77).
RESENDE, M. D. V. de. Genética biométrica e estatística no melhoramento de plantas perenes. Brasília: Embrapa Informação Tecnológica, 2002b. 975 p.
SILVA, J. A. da; SALOMÃO, A. N.; GRIPP, A.; LEITE, E. J.; SILVA, J. A. da. Phytosociological survey in Brazilian forest genetic reserve of Caçador. Plant Ecology v. 133, n. 1, p. 1-11, 1997.

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Published

2004-06-30

How to Cite

KALIL FILHO, Antonio Nascim; HIRANO, Elcio; NICOLOTTI, Filipe. Variance components for characteristics of imbuya (Ocotea porosa Nees et Martius ex. Nees, Lauracea) seeds populations of Santa Catarina, Brazil. Pesquisa Florestal Brasileira, [S. l.], n. 48, p. 111–115, 2004. Disponível em: https://pfb.cnpf.embrapa.br/pfb/index.php/pfb/article/view/1600. Acesso em: 17 may. 2024.

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

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Scientific Notes

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Variance components for characteristics of imbuya (Ocotea porosa Nees et Martius ex. Nees, Lauracea) seeds populations of Santa Catarina, Brazil

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