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Mandavilla

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From: Peggy clarke
City: Avalon, NJ
I have a healthy mandavilla plant that has one leaf with a brown spot. I had the same problem last summer with several mandavilla some new plants and two that were approx 3-4 yrs. old. I have friends 25 block way from my home and they had the same problem. Its a brown ring mark that spreads to other leaves.

I have them in the sun most of the day. Please help!

 
Extension Message
From: Sandra Mason
State Master Gardener Coordinator
Champaign/Ford/Iroquois/Vermilion Unit
slmason@illinois.edu
Mandevillas generally dont get alot of disease problems. Powdery mildew and bacterial spot possibly. From your description it sounds more like bacterial leaf spot. I woudl recommend removing the infected leaves as they appear and do not wet the leaves. Check with your local University Extension for the local office where you can bring in a sample. This website may help to locate an office. http://www.rcre.rutgers.edu/garden/

 
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