<abstract xmlns="http://www.w3.org/1999/xhtml"><p> Cores extracted from trees to assess wood chemistry are generally not used to assess basic density in eucalypt pulpwood breeding programmes, as the measurement of basic density requires high temperature drying. However, both wood chemistry and air-dried density can be assessed on the same core. This study found that the inter-trait genetic correlation between core air-dried and basic density to be effectively equal to one in two Tasmanian Eucalyptus nitens progeny trials. This implies that selection for basic density could be undertaken using air-dried density with little or no reduction in genetic gain, thus negating the need to extract a separate core to assess basic density and wood chemistry. The adoption of this practice could considerably reduce the cost of assessing these traits in eucalypt breeding programmes.</p></abstract>

Cores extracted from trees to assess wood chemistry are generally not used to assess basic density in eucalypt pulpwood breeding programmes, as the measurement of basic density requires high temperature drying. However, both wood chemistry and air-dried density can be assessed on the same core. This study found that the inter-trait genetic correlation between core air-dried and basic density to be effectively equal to one in two Tasmanian Eucalyptus nitens progeny trials. This implies that selection for basic density could be undertaken using air-dried density with little or no reduction in genetic gain, thus negating the need to extract a separate core to assess basic density and wood chemistry. The adoption of this practice could considerably reduce the cost of assessing these traits in eucalypt breeding programmes.

Short Note: The Genetic Correlation Between Air-dried Density and Basic Density in Eucalyptus Nitens Wood Cores

Silvae Genetica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Cores extracted from trees to assess wood chemistry are generally not used to assess basic density in eucalypt pulpwood breeding programmes, as the measurement...

Short Note: The Genetic Correlation Between Air-dried Density and Basic Density in Eucalyptus Nitens Wood Cores

Published Online: Oct 14, 2017

Page range: 210 - 212

Received: Feb 05, 2007

DOI: https://doi.org/10.1515/sg-2008-0032

Keywords
Eucalyptus nitens, selection trait, non-destructive assessment, air-dried density, basic density, wood chemistry, pulp yield, cellulose content, near infrared spectroscopy (NIR), genetic correlation

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Short Note: The Genetic Correlation Between Air-dried Density and Basic Density in Eucalyptus Nitens Wood Cores

Published Online: Oct 14, 2017

Page range: 210 - 212

Received: Feb 05, 2007

DOI: https://doi.org/10.1515/sg-2008-0032

KeywordsEucalyptus nitens, selection trait, non-destructive assessment, air-dried density, basic density, wood chemistry, pulp yield, cellulose content, near infrared spectroscopy (NIR), genetic correlation

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Eucalyptus nitens, selection trait, non-destructive assessment, air-dried density, basic density, wood chemistry, pulp yield, cellulose content, near infrared spectroscopy (NIR), genetic correlation