Mixed Mating With Preferential Outcrossing in Acacia saligna (Labill.) H. Wendl. (Leguminosae: Mimosoideae)

Author:

George N.12,Byrne M.32,Yan G.1

Affiliation:

1. School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia, 35 Stirling Highway, Crawley , WA 6009, Australia

2. Co-operative Research Centre for the Plant-based Management of Dryland Salinity, The University of Western Australia, 35 Stirling Highway, Crawley , WA 6009, Australia

3. Science Division, Department of Conservation and Land Management, Locked Bag 104, Bentley Delivery Centre, WA 6983, Perth , Australia

Abstract

Abstract Acacia saligna is being developed as an agroforestry crop for the southern agricultural regions of Australia. This study investigated the breeding system of A. saligna to generate basic knowledge for breeding and utilization of the species. Allozyme markers were used to investigate the mating system of four populations of the species. All the populations had high outcrossing rates, with a mean multilocus outcrossing rate of 0.91. The implications of a highly outcrossed mating system to the utilization of A. saligna are discussed.

Publisher

Walter de Gruyter GmbH

Subject

Genetics,Forestry

Reference40 articles.

1. ALLARD, R.W. (1999): ‘Principles of Plant Breeding.’ (John Wiley and Sons: New York).

2. ANGELL, K. and R. GLENCROSS (1993): Tagasaste and Acacia saligna establishment using bare-rooted seedlings. pp. 8. Western Australian Department of Agriculture Bulletin 4262.

3. BARAKAT, M. N. and M. H. EL-LAKANY (1992): Clonal propagation of Acacia saligna by shoot tip culture. Euphytica 59: 103-107.

4. BERNHARDT, P., J. KENRICK and B. R. KNOX (1984): Pollination biology and the breeding system of Acacia retinodes (Leguminosae: Mimosoideae). Annals of the Missouri Botanical Gardens 71: 17-29.

5. BERNHARDT, P. (1989): The floral ecology of Australia Acacia. In: ‘Advances in Legume Biology: proceedings of the Second International Legume Conference, St. Louis, Missouri, 23-27 June 1986, held under the auspices of the Missouri Botanical Garden and the Royal Botanic Gardens, Kew’. (Eds C. H. STIRTON and J. L. ZARUCCHI) pp. 263-281. (Monographs in Systematic Botany from the Missouri Botanic Garden).

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