Dick
Black Belt
Joined: 21 Aug 2004
Posts: 9390
Location: Western New York State, USA - Zone 4b
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 Posted: Tue Aug 30, 2005 11:31 pm Post subject: Re: Black Dots on Serissa |
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Are they moving, even very slowly? If yes, then you have some sort of critter, perpahs aphids with can be eradicated with a spraying of soapy water.
If they are not, then you might have a fungus such as botrytis or even mildew caused by the moisture that your tree needs. You can remove the offending leaves or treat it with a fungicide. |
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