Tomato disease on stem

8 years ago

All of my Roma tomatoes have vascular looking lesions on the bottom of the stems, and the bottom leafs turn yellow and eventually black on the tips.

This is my first time growing tomatoes, and I think I over watered in the beginning bringing about this condition. I've read up on tomato diseases, but i'm not sure if they have blight, stem rot, or some other fungal disease.

I've been applying daconil for 2 weeks. They need to be transplanted soon, and was wondering if I can salvage these plants, or if I should throw them out.

Also worth noting: I live in atlanta and my cucumbers have the same thing

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Comments (4)

donna_in_sask
8 years ago
Perhaps Fusarium Crown Rot? I had it once on a couple plants and it looked like the bottom of the stem was turning to wood.
john_phillip3712 thanked donna_in_sask
john_phillip3712
Original Author
8 years ago
Did you pulll them out or try to treat them. I've read theres not much you can do for stem rot.
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donna_in_sask
8 years ago
last modified: 8 years ago
I'm not sure if that's what you have. When my plants had it, all around the base of the stem was dried out and turned to wood. I couldn't see the plant taking up any nutrients with that happening and if I recall correctly, the stem actually bent and toppled the plant...I pulled it out. The soil harbours the fungus responsible, so you shouldn't reuse it or plant another tomato in that spot. Yours are potted up so not sure if it's bagged soil...seems unlikely to be stem/crown rot from purchased soil.
john_phillip3712 thanked donna_in_sask
john_phillip3712
Original Author
8 years ago
I read on fusarium and it turns out roma tomato's are resistant to it and one similar disease. It makes me wonder if thats what it has and its just handling it relatively well.