Scale on Robellini Palm - Knowledgebase Question

sarasota, Fl
Question by sunnysarasot
October 8, 2008
I have a small palm on my screened lanaii.It gets a good bit of sun. I treated it with both Organocide and Pesticidal Oil but the Scale returns. Is there something different I should apply. I also recently planted several 1 gal. Crape Myrtle's. in my yard. They're getting full sun. I have black mold on some of them. I've used the same two products on them and the mold has returned or not improved. We are in the rainy season now. I would appreciate any suggestions.

Answer from NGA
October 8, 2008



Try using a product with imidocloprid as the active ingredient on the palm. It is systemic and works on some types of scale. Other than this you will need to be treating periodically for scale as they do return and one treatment is seldom enough.

The crapes have aphids which produce honeydew on which the black mold grows. With winter coming I would not do anything at this time. When spring arrives you can try the imidocloprid product or just periodically (when aphids appear) use a insecticidal soap spray making sure to get good coverage of the aphids.

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