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Old 06-26-2008, 11:33 PM
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Join Date: Feb 2008
Zone: 5b
Location: Montreal, Canada
Posts: 754
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excellent! thanks for the fungicide recipe! I have mine in full sun as well. This summer has beem especially humid, with all the sunny days that randomly turn into rain showers... I have been using Safer's 3-in-1 spray, i think it was 8.99 or sumthing. It is soap and sulfer, but your recipe is cheaper

Cam

Quote:
Originally Posted by Lagoon View Post
Cam, We have very humid summers, which can cause alot of problems with certain roses. Because of this I only grow roses in FULL sunlight now. The morning dew and the high humdity is enough to create fungus and black spot. I use baking soda (cow brand) and mix in dish soap - 1/2 teaspoon of BS to 1 teaspoon of dish soap, to 1 liter of water.

Spray at nite when its the coolest, you also don't want the sunlight to hit it for a few hrs. Night time is best (imo) This mix will not take away the fungus but control it, aswell as the pest problems you might be having.
Once per week or every 10 days should make things much better. It's cheap but it works!!!
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