SEED GERMINATION: Mature Plants and Their Condition for Mycorrhizal Seed Germination

Orchid Doctor Propagation

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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All mature plants are supposed to have the necessary fungi as required by symbionts, but exceptions may occur. A85-832
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Seed Germination Comments
SEED GERMINATION: With Fungicides and Bactericides in the Flasking Media Protection of the seed against contamination in flasks by this method has been worked out; refer to OR-220 0
SEEDLING CASE: Appropriate Disinfectants Most commonly used is 0.2% mercuric chloride (one part bichloride of mercury in 500 parts of water) if still obtainable; may be purchsed in tablet form; 70% ethyl alcohol or grain alcohol is very effective; common denatured alcohol diluted is also satisfactory. A66-663; presumably Physan at less than normal strength would be satisfactory also. RMH 0

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