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powdery mildew

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From: Nancy Serafin
City:
Belvlidere, IL
I bottom water my roses and try to be careful not to get the leaves wet; but I am still experiencing powdery mildew. Is there anything that I can use on my roses to get rid of the powdery mildew?

 
Extension Message
From: Greg Stack
Extension Educator, Horticulture
University of Illinois Extension
gstack@illinois.edu
Hi,

Mildew is a problem if roses don't get ample air circulation to help dry the foliage. If mildew is stil a problem there are several effective fungicides such as Phaltan, and Funginex that do a good job of preventing further infection. They need to be put on in advance of the problem as they don't do a good job of curing what is already there only protect the leaves from etting mildew.

 
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