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The genetic correlation between air-dried density and basic density in Eucalyptus nitens wood cores

journal contribution
posted on 2023-05-16, 23:13 authored by Hamilton, MG, Raymond, CA, Bradley PottsBradley Potts
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.

History

Publication title

Silvae Genetica

Volume

57

Issue

4-5

Pagination

210-212

ISSN

0037-5349

Department/School

School of Natural Sciences

Publisher

J.D. Sauerlaender's Verlag

Place of publication

Germany

Repository Status

  • Restricted

Socio-economic Objectives

Hardwood plantations

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