Questions, Answers and Comments by Category
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Initial post
30 MAR 05 by
Jeanne
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We have had an unusually wet year and I have a problem with powdery mildew on my roses. I have sprayed it twice with a fungicide but the condition continues. How long should I wait between treatments. How long does it take to clear up?
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REPLY
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Powdery mildew is very stubborn and if conditions are right and the rose is prone to it, then that makes it very hard to keep under control. If you are using Funginex, then there should be two types of strengths. The higher concentrate can be used every 7 days. Might be a wisdom to keep an eye on the roses after the rainy season as they may start up again.
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