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Vesicular-arbuscular mycorrhizal fungi in natural vegetation and sand-mined dunes at Bridge Hill, New South Wales.

Authors:

J O Brockhoff ,

W G Allaway

Abstract

Roots of 52 vascular plant species growing in mined and unmined sites at Bridge Hill, Myall Lakes National Park, were examined, vesicular-arbuscular mycorrhizal (VAM) were present in 47 of the species. Observations were made on replicate of unmined sites and mined sites of differing ages since mining. The percentage of root length infected by VAM fungi was estimated using the grid line intercept method, a standard procedure for which was developed based on tets of the effects of root thickness, length of root segment and grid size in influencing the score. VAM were not found in the members of Proteaceae and Epacridaceae examined. Many species of non-legume herbs and grasses. Wherever they were collected, had moderate to large percentages of root length infected by VAM fungi. However, percentages of root length infected in Fabaseae and Mimosaceae were small in the sites last mied two and four years before the survey. The mean percentage of root length infected by VAM fungi, the mycorrhizal organs observed, and the presence of root nodules and sand aggregations are listed for each species examined.
How to Cite: Brockhoff, J.O. and Allaway, W.G., 2009. Vesicular-arbuscular mycorrhizal fungi in natural vegetation and sand-mined dunes at Bridge Hill, New South Wales.. Wetlands Australia, 8(2), pp.pp. 47–54. DOI: http://doi.org/10.31646/wa.117
Published on 16 Oct 2009.
Peer Reviewed

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