Black Mold | Comments |
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BLACK MOLD: On Dendrobiums Probably arises from the punctures made by aphids; eliminate them with Piramor at 3 grams to 2 gallons of water, or with Malathion at ltpg. plus 1/2 teaspoon of a wetting agent, or 10 drops of dishwashing liquid added to the spray. A82-248 | 0 |