Quote:
Originally Posted by Ray
Both contain cinnamaldehyde, so are pretty effective bactericides and fungicides. However, in powdered form, they, are tremendous desiccants, so care should be taken to keep it away from roots.
You may extract the active ingredient by soaking in rubbing alcohol (1 TBSP/quart seems good) overnight, or in water for several days. A paper towel or coffee filter works well to filter out the sediment.
I have also made a thick paste by mixing it with Elmer’s (casein-based) glue, allowing it to adhere to surfaces better when overhead watering is employed.
That said, if you want a really powerful fungicide, look for cinnamon leaf oil from Sri Lanka. That contains eugenol, and a few drops in alcohol is quite effective.
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Thank you Ray! The Ceylon Leaf oil sounds like a good way to use on a very specific area of an orchid. The oil I found is 75% eugenol, so how much alcohol would I use to a few drops of oil?
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