Gray Tomato Plants

by Elizabeth
(Lebanon, NH, USA)

One of my tomato plants has turned completely gray. This doesn't seem to fit the description of any of the diseases mentioned on your website; should I be worried? What should I do? I have attached two photos of the gray plant (in which you can also see a healthy plant, for contrast).


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Jan 30, 2011
More information needed
by: carol


Have you observed the grey material under a hand lens? Is it fuzzy? If it is then you may have a fungus. It would be best if you could take a sample of the plant to a Master Gardener plant clinic (if they are up and running this early) or take it to a nursery that sells vegetable starts. They usually have someone on staff who has access to diagnostic materials that could tell you what you have. At plant clinics we usually ask about what is happening in the garden with water, sunlight, fertilizer, or if anyone has sprayed plants nearby. If this is something that can spread to your other plants you may want to take it out and dispose of it (not in your compost pile!)

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