COPPER: Effect on Orchids

Culture Orchid Doctor

by Robert M. [Bert] Hamilton (Compiler)

Originally published in The Orchid Doctor in 1980 and 1988

Posted by Sys Admin about 6 years ago.

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They are sensitive to copper; metal stakes containing copper might be toxic. A61-54

They are sensitive to it; metal stakes containing it may be toxic; citrus trees in the tropics sprayed with a copper compound lack orchids. A85-1119

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COPPER WATER PIPES: In Greenhouse Are very popular; not likely to harm plants unless water supply has a high carbonic acid content. A76-1102 0

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