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Almond improvement in Australia

Published online by Cambridge University Press:  15 April 2002

Margaret Sedgley  and
Graham Collins
Margaret Sedgley
Affiliation:
Department of Horticulture, Viticulture and Oenology, Plant Research Centre Adelaide University, Waite Campus, PMB#1, Glen Osmond, South Australia, 5064 Australia
Graham Collins
Affiliation:
Department of Horticulture, Viticulture and Oenology, Plant Research Centre Adelaide University, Waite Campus, PMB#1, Glen Osmond, South Australia, 5064 Australia
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Abstract

Introduction. The Australian almond [Prunus dulcis (Miller) D.A. Webb] improvement program commenced five years ago with the main aims of developing scion and rootstock cultivars that are better adapted to local conditions, and that provide a superior product for Australian and overseas markets. Approaches used. The program has a number of approaches including breeding, virus detection and elimination, and biotechnology. The classical hybridisation approach aimed at generation of diversity is combined with research into the more targeted techniques of plant tissue culture, genetic fingerprinting, genome mapping and transformation. Cryopreservation research is important for genebank storage, and tissue culture for micropropagation of new rootstocks and for transformation. Material is screened for Prunus Necrotic Ringspot (PNRV) and Prune Dwarf (PDV) Viruses. In addition, work has commenced into identifying Australian isolates of Colletotrichum acutatum, the pathogen causing anthracnose disease of almonds. The work is conducted in collaboration with overseas research groups, to take advantage of the long experience of these programs, and to contribute to the international effort in Prunus improvement. Outcomes from the almond project. The important outcomes achieved after the first five years of the project by the research team are listed.

Keywords

AustraliaPrunusplant breedinghybridizationmicropropagationplant biotechnologycryopreservationvirusesColletotrichumAustraliePrunusamélioration des planteshybridationmicropropagationbiotechnologie végétalecryoconservationvirusColletotrichum
Type
Research Article
Information
Fruits , Volume 57 , Issue 2 , March 2002 , pp. 129 - 134
Copyright
© CIRAD, EDP Sciences

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References

Bertozzi, T., Bennett, C., Sedgley, M., Almond improvement in Australia, Nucis. 7 (1998) 10-11.
Sedgley, M., The Australian almond improvement project, Aust. Nutgrower 12 (5) (1999) 18-19.
Channuntapipat, C., Sedgley, M., Collins, G., Sequences of the cDNAs and genomic DNAs encoding the S1, S7, S8 and Sf alleles from almond, Prunus dulcis, Theor. Appl. Genet. 103 (2001) 1115-1122. CrossRef
Channuntapipat, C., Collins, G., Bertozzi, T., Sedgley, M., Cryopreservation of in vitro almond shoot tips by vitrification, J. Hortic. Sci. Biotech. 75 (2000) 228-232. CrossRef
Sedgley, M., New work on almond and pistachio at the Waite Campus, Aust. Nutgrower. 14 (2) (2000) 25-28.
Woolley, F.M., Collins, G.G., Sedgley, M., Application of DNA fingerprints for the classification of selected almond [Prunus dulcis (Miller) D.A. Webb] cultivars, Aust. J. Exp. Agr. 40 (2000) 995-1001. CrossRef
Sedgley M., Scott E., Wirthensohn M., Plant improvement and disease control - almonds and pistachios, in: Conference 2000, Wilkinson J. (Ed.), Proc. Aust. Nut. Ind. Council, Hadndorf, South Australia, 21-23 July, 2000, pp. 15-17.