Phosphodiesters as mycorrhizal P sources: II. Ericoid mycorrhiza and the utilization of nuclei as a phosphorus and nitrogen source by Vaccinium macrocarpon

The New Phytologist
M D Myers, J R Leake

Abstract

Mycorrhizal plants of Vaccinium mocrocarpon Aiton used nuclei from salmon sperm as a sole source of phosphorus (P) and achieved similar yields, P content and P concentration to plants crown with orthophosphate. Mycorrhizal infection significantly increased the effectiveness of utilization of both inorganic and organic (nuclei) sources of P by Vaccinium but in the case of the organic source this involved providing access to P which was completely unavailable to the uninfected plants. The results provide further support for the view that ericoid mycorrhizas have a crucial role in direct recycling of nutrients from organic matter, independent of the mineralizing activities of saprotrophic micro-organisms.

Citations

Jul 16, 2010·Tree Physiology·C Plassard, B Dell
Sep 29, 2004·Mycological Research·Brian R Gibson, Derek T Mitchell
May 5, 2020·Mycorrhiza·Sepideh FadaeiJanusz J Zwiazek
Mar 1, 2003·The New Phytologist·D J Read, J Perez-Moreno
May 1, 2002·The New Phytologist·John W G Cairney, Anne E Ashford

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