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Implementation of a multivariate BLUP model for genetic evaluation of Eucalyptus globulus in Australia

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Jarvis, SF, Borralho, NMG and Potts, BM 1995 , 'Implementation of a multivariate BLUP model for genetic evaluation of Eucalyptus globulus in Australia', in BM Potts and NMG Borralho and JB Reid and RM Cromer and WN Tibbits and CA Raymond (eds.), Eucalypt Plantations : Improving Fibre Yield and Quality - CRCTHF-IUFRO Conference, 19 - 24 February, 1995 , Hobart, Tasmania, Australia. , CRCTHF-IUFRO, Hobart, Tasmania, Australia., Hobart, Tasmania, Australia., pp. 212-216.

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Abstract

A BLUP genetic evaluation for diameter of Eucalyptus globulus Labill. ssp. globulus base population across four states in Australia is described. The data set consisted of over 52,000 open pollinated progeny from 589 unrelated parents, selected across the range of natural distribution of the subspecies. The model included effects of block within each site, stand type and plot. A multiple trait procedure was used, assuming diameter in each state as a different trait. Estimated breeding values for diameter in each state were calculated and used to compare different breeding and deployment strategies. A cooperative breeding strategy, running a single national breeding population, with separate deployment populations for each state is suggested. BLUP selection leads to an increase in co-selection of sibs from the best families, but a restriction of 10 selections (parent or progeny) per family give an acceptable rate of inbreeding (less than 1% per generation) and coefficient of variation of response (CV=9%) while resulting in substantial gains in volume.

Item Type: Book Section
Authors/Creators:Jarvis, SF and Borralho, NMG and Potts, BM
Keywords: Eucalyptus globulus, BLUP, breeding values, deployment
Publisher: CRCTHF-IUFRO, Hobart, Tasmania, Australia.
Additional Information:

© 1995 University of Tasmania

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