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Old 4 Days Ago   #1
lycomania
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Default Trying to diagnose my tomato problem

Hi All,
I'm having a major yellowing leaves problems with some of my tomato plants. It doesn't look like a foliar disease, and I don't think it's vert or fus wilt, going by the symptoms, but I could be wrong. The last picture is a bisected stem.

I had one plant get one of the wilts, and it would wilt before the leaves started dying. That's not happening with these plants. They mostly yellow first, starting from the bottom. I've been growing tomatoes here for about 8 years or so, and I've never seen it.

It's spreading upwards quite quickly. Help please?!
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Old 4 Days Ago   #2
Labradors2
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I would remove the lower leaves that are yellowed/dead and give your plants some fertilizer. I think that's all they need.

Linda
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Old 4 Days Ago   #3
lycomania
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Thanks, Linda. I'll go out and do that + foliar so at least I can cross that part off the list. I'd be surprised, but wouldn't be the first time.
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Old 3 Days Ago   #4
lycomania
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Well, sad to report I'm pretty sure it is fusarium wilt after all. It seems this came out of the blue after never seeing it before. These were all grown from seed by me, from seeds that are at least six years old, that I have been growing all these years.

I didn't want to believe it, but there it is.
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Old 3 Days Ago   #5
Labradors2
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So sorry to hear that . Hoping that you can rotate your tomatoes next season or else dig out the soil where they grew and replace it. I had it once, on one plant, and replacing the soil did the trick, fortunately!

Linda
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Old 3 Days Ago   #6
Cole_Robbie
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Definitely keep that area free from grass and weeds after you pull the plants. I am not supposed to have fusarium overwinter in my climate, but I think it did on some johnson grass.
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Old 22 Hours Ago   #7
b54red
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It sure looks like mine do when fusarium starts getting to the plant. I wouldn't think you would have it that far north but with tomatoes all the rules go out the window.
I have been living with that mess for all four decades of my gardening but had some relief the past few years because of grafting with triple fusarium resistant root stock but this year I have had a resurgence. I think it is just a bad batch of root stock seed.

Maybe a cold winter will knock it back out of your garden so you won't have to worry about it next season.

Bill
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Old 17 Hours Ago   #8
lycomania
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Thanks everybody. Reading your insights takes some of the sting outl Linda, I hope digging out all of that soil is not in my future! I think I'll go for the lazy way out and pray for a cold winter.

I will be sure to keep that area clean and ready for deep-freezing. Or bleaching.
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Old 2 Hours Ago   #9
Labradors2
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Hi Lycomania, Just to be clear, I wasn't suggesting removing soil from the whole bed, just the area where the diseased plant was growing...... Just a thought for when the weather cools down a bit!

Linda
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