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Heartwood in Eucalyptus bosistoana (2009 plantings)

By Clemens Altaner and Monika Sharma, March 2019.

Download SWP-T072 (pdf)

Executive summary

The ultimate goal of the NZDFI breeding programme is to exploit variation in quantity and quality of extractive content to identify superior families in terms of heartwood content and quality. The objective of this study was to assess the 2009 Martin's E. bosistoana breeding trial for heartwood quantity and extractive content. The data was compared with other breeding trials planted at the same site in 2010 or with the same genetics established at Cravens and Lawson in 2009. Site and tree age effects on heartwood features were observed, but could not be disentangled with the available data. This was the last of the 2009 and 2010 E. bosistoana breeding trial to be measured for heartwood and the combined data has now been used to select superior families to commence commercial plant production.


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