Mandevilla - Knowledgebase Question

Clair Mel City, FL (Zone 9A)
Question by ric8p
July 22, 2005
I have black spots & yellowing on the leaves of my mandevilla. Please advise.
Thank you.


Image
Answer from NGA
July 22, 2005

0

Richard,

There are several fungal diseases that can cause such spots. You need to pick off the diseased leaves to reduce spreading of the fungus. Then spray the plant with a good fungicide for leaf spots. Some product examples include Zyban, Daconil (chlorothalonil), or anything containing thiophanate methyl. Your County Extension can also offer some control suggestions.

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