ORCHIDS: Symbiosis with Fungi

Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 5 years ago.

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They exchange vitamins and parts of their molecules; seeds release para-aminobenzoic acid and thiamine, at least the thiazole moiety, providing vitamins to the fungi; Rhizoctona fungus releases niacin (nicotinic acid) and may also provide pyramidine half of thiamine, which orchids cannot make themselves but seem to benefit from. OR74-342
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