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Topic Title: Gray Dots / Black Soot on Palms - ID/Treatment Please! Topic Summary: Created On: 05/07/2016 07:12 AM |
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05/07/2016 07:12 AM
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I have several palms that have gotten these grayish black spots on emerging spears (and other areas) and a black soot-like substance on the leaflets.
Can someone tell me what this is and the best way to fix?
I do have some systemic drench already in the garage...
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05/07/2016 12:52 PM
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scale.
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05/07/2016 02:36 PM
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Thanks for the good photos. Scale. Along with drench, it might not hurt to put used coffee grounds around the palms. |
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05/07/2016 04:20 PM
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Thank you both! Will do on the Drench and coffee grounds.
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05/08/2016 06:08 AM
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It seems that type of scale is emerging this time of year. I've seen it on some of my palms. I just rub them off.
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05/08/2016 06:34 PM
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I've had good result spraying with horticultural oil, wait 24 hours, then blast off with a hose. The oil smothers them, then 24 hours later they come off easily. Also a good idea to treat the area for ants, as they can harvest them |
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