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Old 08-18-2009, 07:45 AM
Corto Malteze is offline  
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Corto Malteze
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Join Date: Sep 2008
Location: Southern Europe: sunny and dry.
Posts: 3,220
Re: Strange uniform spots on leaves...Have a LOOK!

it's not overwatering for sure

look closely under the leaves if there are insects doing this. You should apply a pyrethrin based insecticide (harmless to plant but potent against bugs). Apply in evening or early morning.

It might also be powdery mildew due to humidity. Use baking soda or skimmed milk to raise the pH and kill the fungi (apply in foliar spray too).

You can also buy a fungi and insecticide all in one which should work too.

Good luck.
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