Tomato disease?


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Hello, so i have a small garden with tomatoes and other vegetables and recently i have seen a weird grey coloration on the tomato leaves like the one seen on the picture can someone please tell me what that is and how to fix it?
Thank you very much.
 

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Hello, so i have a small garden with tomatoes and other vegetables and recently i have seen a weird grey coloration on the tomato leaves like the one seen on the picture can someone please tell me what that is and how to fix it?
Thank you very much.
Looks like powdery mildew. It's mainly caused by the plants leaves staying to damp. Remove all of the affected parts and spray once a week with Neem Oil.
 
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Hero polee Andrea, ti kanis;
Would I be correct in thinking that these leaves came from the bottom of your plants and that they are quite old;
Neem oil will take care of many problems in one spray, and I wouldn't decry its use, but 1 milk to 4 water in your spray will work for powdery mildew at a fraction of the cost.
 
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Well if we are staking out positions, I like the idea of the instant kill via potassium bicarbonate. Also I have learned that powdery mildew is one of those fungi that prospers quite well without the damp condition so normally associated with garden issues.
 

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