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squiral

By Squiral

Lincolnshire, United Kingdom Gb

on a couple of my tubbed roses i have this mould look on the leaves, but when you go to wipe it off it doesn't come off powdery like talcum powder when you under water the plant. The leaf itself feels like its sweating, has anyone else had this problem before.


On plant Albertine & Excelsa.


Answers

 

I don't know about the sweating part, but the rest sounds like powdery mildew, one of the few fungi that likes dry weather. Fortunately there are a number of fungicides, both chemical and organic, to take care of that problem. By "sweating", do you mean that the leaf is sticky?

6 Jul, 2011

 

Tugbrethil, thanks for the reply, the leaves feel wet to the touch, like its been raining, but not sticky. I have sprayed it with a fungicide but it just seems to be spreading like mad.

6 Jul, 2011

 

Wow! I've never heard of leaves being wet like that, Squiral! Is it possible that your neighbor is hosing them down when you're not looking...but that should only stay wet for an hour or so. Hmmm, I'm flummoxed, then! If something is wetting them down frequently, then the white could be hard water deposits.

6 Jul, 2011

 

thanks for getting back so quickly, you could be right about the hard water, thats something i didnt think of.

6 Jul, 2011

How do I say thanks?

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