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Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology
RESEARCH ARTICLE

Reducing Activity at the Root Surface in Eucalyptus pilularis–Pisolithus tinctorius Ectomycorrhizas

JWG Cairney and AE Ashford

Australian Journal of Plant Physiology 16(1) 99 - 105
Published: 1989

Abstract

Mycorrhizal and non-mycorrhizal areas of root systems of Eucalyptus pilularis Sm. seedlings, grown in growth pouches and inoculated with Pisolithus tinctorius (Pers.) Coker & Couch, were compared with regard to their surface reducing activity. Mycorrhizal roots were shown to reduce silver bromide, ferric EDTA and a higher oxide of manganese while non-mycorrhizal roots of the same plants did not. A number of ecto- and endomycorrhizal fungi were screened for reducing ability. All fungal isolates tested, with the exception of Hebeloma crustuliniforme and a suspected ectomycorrhizal symbiont from Pisonia grandis roots, were capable of reducing a manganic oxide.

https://doi.org/10.1071/PP9890099

© CSIRO 1989

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