Abstract
SynopsisThe microbial populations on cereal straw at harvest are characteristic of the phylloplane. Incorporation of straw into soil represents an enrichment disturbance and results in a rapid stimulation of soil microbial activity. The dominant fungal colonists of the straw in soil were found to vary with soil water potential over a twenty-eight week period of incorporation. The dominant fungal genera werePenicilliumandMucor, followed byGliocladium, FusariumandTrichoderma. Basidiomycetes were only isolated from straw in a wet (−0.1 MPa) soil. Prior inoculation of straw withGliocladium roseum(Link) Banier resulted in changes in the dominance of these fungi, particularly in a dry soil.In vitrodata on spore germination, germ tube extension and growth of these soil fungi on agar media were not correlated with those on unsterile straw leaf sheaths or sterile straw segments.
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Schedule a callMore From: Proceedings of the Royal Society of Edinburgh. Section B. Biological Sciences
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