The Q&A Archives: Tomatoes

Question: I had 8 tomatoes at least 3 feet tall. They were very healthy and dark green.
Then one week ago one plant started wilting down and all the leaaves started curling up and the main stems lost all thier ridgedness and became rubber like. Also started turning a yellow color and now it has moved from one plant to the rest of the plants. One by one by one. I have only one p[lant left not showing any effects, but I expect it is only a matter of time. I have sprayed with funguside, but it does not seem to have helped any at all. HELP

Answer: Based on your description I am not certain what has happened, however there are a number of problems that can affect tomatoes and spread from plant to plant. Some varieties are more resistant to the more common problems than others -- the letters such as VFFNT and so on listed on the seed packet or plant tag would indicate resistances. Here is a link to photos of diseased tomatoes; click on each photo for a close up and decription. You may be able to diagnose the problem.

Otherwise, I would suggest you work with your county extension to obtain a specific diagnosis and then based on that determine how to proceed. They may appreciate photos of the overall plant(s) and close-ups and/or samples enclosed in a clear plastic bag to try to identify the cause.

In the meantime I would suggest you clean up and remove all the infected leaves, and dispose of them in the trash to try to limit sources of reinfection. I would also do this will tomato plant debris/leftover tomatoes at the end of the season. Do not handle the plants when they are damp or wet as this can help spread many problems. I'm sorry I can't be more specific for you long distance.

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