University of Tasmania
Browse
Rao_et_al_2008_outX_JFR.pdf (289.17 kB)

A microsatellite study on outcrossing rates and contamination in an Eucalyptus globulus breeding arboretum

Download (289.17 kB)
journal contribution
posted on 2023-05-16, 22:35 authored by RAO, H, Patterson, B, Bradley PottsBradley Potts, Rene VaillancourtRene Vaillancourt
Four pairs of microsatellite molecular polymorphism primers were used to analyse microsatellite fingerprints of 188 seedlings derived from an open-pollinated progeny grafted Eucalyptus globulus breeding arboretum in Victoria, south-eastern Australia. The microsatellite loci chosen for this study were highly polymorphic with the mean number of alleles per locus of 14.25. Individual mothers varied in their outcrosssing rate estimate from 15% to 95%, the overall outcrossing level in the arboretum was 47.9% and the contamination rate was 17.6%. The high selfing level was likely to result in marked inbreeding depression in the performance of open-pollinated seed lots. Open-pollinated seeds collected from such arboreta are not advisable because of its low genetic quality, although such arboreta may be useful for the seed production through large-scale manual pollination or collecting seeds only from trees or genotypes within the arboretum that have high outcrossing rates.

History

Publication title

Journal of Forestry Research

Volume

19

Pagination

136-140

ISSN

1007-662X

Department/School

School of Natural Sciences

Publisher

Dongbei Linye Daxue

Place of publication

China

Repository Status

  • Restricted

Socio-economic Objectives

Hardwood plantations

Usage metrics

    University Of Tasmania

    Exports

    RefWorks
    BibTeX
    Ref. manager
    Endnote
    DataCite
    NLM
    DC