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First synthesis of ericoid mycorrhizas in the Epacridaceae under axenic conditions

Published online by Cambridge University Press:  01 July 1998

C. B. McLEAN ,
J. ANTHONY ,
R. A. COLLINS ,
E. STEINKE  and
A. C. LAWRIE
C. B. McLEAN
Affiliation:
Department of Applied Biology and Biotechnology, RMIT University, Melbourne, Vic. 3000, Australia Institute of Land and Food Resources, Burnley College, University of Melbourne, Swan Street, Richmond, Vic. 3121, Australia
J. ANTHONY
Affiliation:
Department of Applied Biology and Biotechnology, RMIT University, Melbourne, Vic. 3000, Australia
R. A. COLLINS
Affiliation:
Department of Applied Biology and Biotechnology, RMIT University, Melbourne, Vic. 3000, Australia
E. STEINKE
Affiliation:
Department of Applied Biology and Biotechnology, RMIT University, Melbourne, Vic. 3000, Australia
A. C. LAWRIE
Affiliation:
Department of Applied Biology and Biotechnology, RMIT University, Melbourne, Vic. 3000, Australia
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Abstract

The first axenic synthesis of morphologically typical ericoid mycorrhizas of the Epacridaceae has been achieved in micropropagated Epacris impressa Labill. with eight fungi isolated from roots of two epacrid species, E. impressa and Astroloma pinifolium (R.Br.) Benth. Mycorrhizal synthesis has also been achieved between E. impressa and both Hymenoscyphus ericae (Read) Korf and Kernan and Oidiodendron griseum Robak, recognized endophytes of Ericaceae, suggesting that the endophytes of the Epacridaceae and Ericaceae are capable of cross-infection. Infection rate of epidermal cells on hair roots varied from 3–77% infection and the density of hyphal coils varied widely. This synthesis makes possible studies of the roles of these endophytes in the Epacridaceae and comparison with their roles in the Ericaceae.

Keywords

Ericoid mycorrhizasEpacridaceaeEricaceaeplant tissue cultureHymenoscyphus ericae (Read) Korf and KernanOidiodendron griseum Robak
Type
Research Article
Information
The New Phytologist , Volume 139 , Issue 3 , July 1998 , pp. 589 - 593
Copyright
© Trustees of New Phytologist 1998

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