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Independent lines of evidence of a genetic relationship between acoustic wave velocity and kraft pulp yield in Eucalyptus globulus

Annals of forest science., 2017-03, Vol.74 (1), p.1-10, Article 17 [Peer Reviewed Journal]

INRA and Springer-Verlag France 2017 ;Copyright Springer Science & Business Media 2017 ;Distributed under a Creative Commons Attribution 4.0 International License ;ISSN: 1286-4560 ;EISSN: 1297-966X ;DOI: 10.1007/s13595-017-0617-2

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  • Title:
    Independent lines of evidence of a genetic relationship between acoustic wave velocity and kraft pulp yield in Eucalyptus globulus
  • Author: Hamilton, Matthew G. ; Freeman, Jules S. ; Blackburn, David P. ; Downes, Geoffrey M. ; Pilbeam, David J. ; Potts, Brad M
  • Subjects: Acoustic waves ; Biomedical and Life Sciences ; Environment ; Eucalyptus ; Forestry ; Forestry Management ; Forests ; Kraft pulp ; Life Sciences ; Original Paper ; Tree Biology ; Wood Science & Technology
  • Is Part Of: Annals of forest science., 2017-03, Vol.74 (1), p.1-10, Article 17
  • Description: Key message Multiple lines of evidence suggest acoustic wave velocity (AWV) would provide a rapid and efficient method to indirectly select for superior pulp yield in Eucalyptus globulus breeding programs. Context Eucalyptus globulus is one of the most widely planted hardwood species in temperate regions of the world and is primarily grown for pulpwood. Aims To determine if acoustic wave velocity (AWV) can be used to indirectly select for kraft pulp yield in E. globulus . Methods Genetic group effects, additive and non-additive variance components, and genetic correlations were estimated for AWV and pulpwood traits, including Kraft pulp yield. In a separate trial, the relative position of quantitative trait loci (QTL) for these traits was compared. Results Estimated narrow-sense heritabilities for AWV and pulp yield were both 0.26, and these traits were strongly genetically correlated (0.84). Furthermore, co-located QTL for these traits were identified. Further evidence that AWV could be used to indirectly select for pulp yield was provided by the ranking of genetic groups—Otways and King Island had the highest AWV and pulp yield and Strzelecki and Tasmania the lowest. There was no evidence of dominance variation in wood property traits. Conclusion Together, these findings suggest that AWV could be used as a selection criterion for kraft pulp yield in E. globulus breeding programs.
  • Publisher: Paris: Springer Paris
  • Language: English
  • Identifier: ISSN: 1286-4560
    EISSN: 1297-966X
    DOI: 10.1007/s13595-017-0617-2
  • Source: Hyper Article en Ligne (HAL) (Open Access)
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