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Brown spots on leaves

19 years ago

I have several cuttings that I rooted about 2 years ago. They are still growing in my garden window. The leaves come out a bright glossy green but then they turn a dull green. After that big brown spots appear, then around the brown spots it turns yellow. After that the leaves curl and die. Any idea what is going on and how I fix the problem.

Thanks for your suggestions.

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Comments (2)

Dave in NoVA • N. Virginia • zone 7A
19 years ago
Hmm. Can we see a picture? It might be spider mites if the plants are indoors.
mikeod
19 years ago
I agree with Dave. Look at the underside of the leaves to see if there is a hint of webbing. Sometimes if you spray a fine mist of water on the top and bottom of a leaf you can see the webbing better. If it is there, you have spider mites, a real pain in greenhouses and overwintering plumeria indoors. There are some treatments, though. Neem oil, insecticidal soaps, systemic miticides, and just plain water sprays are effective, though you have to repeat treatments regularly to keep ahead of them.
Mike
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