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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/71710
Title: 
Variação genética para caracteres anatômicos e retração volumétrica e sua correlação com a densidade básica da madeira em uma população base de Eucalyptus camaldulensis Dehn
Other Titles: 
Genetic variation for anatomic traits and volume shrinkage and their correlation with wood basic density in an Eucalyptus camaldulensis Dehn base population
Author(s): 
Institution: 
  • Universidade de São Paulo (USP)
  • Universidade Estadual Paulista (UNESP)
  • Instituto Florestal de São Paulo
ISSN: 
1413-9324
Abstract: 
Eucalyptus camaldulensis has great importance in Brazil because of their phenotypic plasticity for different environmental conditions, as soils, altitudes and rainfall. This study is an investigation of a base population of E. camaldulensis from Australia through a progeny test implanted in Selvíria, MS. The trial was established in a randomized block design, with 25 families and 60 replications of single tree plots. Genetic parameters for anatomic traits and volume shrinkage were estimated, as well as their correlations with wood basic density. No significant differences among progenies were observed for the traits studied. The additive genetic variation coefficient at individual and among progeny levels ranged from low (0.26%) to high (16.98%). The narrow sense heritability at individual and family means levels also ranged from low (0.01) to high (0.87). This indicates that some traits are under strong genetic control and can be improved by selection. In the present situation, in order to attain the highest genetic gains, the sequential selection among and within progeny would be recommended.
Issue Date: 
1-Jun-2010
Citation: 
Scientia Forestalis/Forest Sciences, n. 86, p. 159-170, 2010.
Time Duration: 
159-170
Keywords: 
  • Genetic gains
  • Heritability
  • Progeny test
  • Tree breeding
  • Variability
  • AS-soils
  • Australia
  • Block designs
  • Environmental conditions
  • Eucalyptus camaldulensis
  • Genetic control
  • Genetic gain
  • Genetic parameters
  • Genetic variation
  • Phenotypic plasticity
  • Present situation
  • Progeny tests
  • Sequential selection
  • Volume shrinkage
  • Wood basic density
  • Genes
  • Shrinkage
  • Genetic engineering
Source: 
http://www.ipef.br/publicacoes/scientia/nr86/cap04.pdf
URI: 
Access Rights: 
Acesso aberto
Type: 
outro
Source:
http://repositorio.unesp.br/handle/11449/71710
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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