ONCIDIUM RINGSPOT: Virus

Oncidium Alliance Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin over 3 years ago.

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The mature leaves show rounded, slightly sunken yellow areas on both surfaces of the leaf; the spots on one side do not correspond to those below; they age to a necrotic, purplish brown appearance; there are no flower symptoms. B50+
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