the black spots have teeny raised, textured black bumps that look like mold. Hard to see in the pic. My friend says end-rot, but it's not on the blossom end, and doesn't look anything like the end-rot I've battled before.
I don't think it's end rot, but I could be wrong. You can treat for end rot just in case. It's a calcium deficiency. Fastest way to get some calcium in the soil without running out and buying a bag of lime (which can be dangerous to handle, I don't know your skill level) is to crush a few Tums, or other chewable calcium antacid (read the label, some are aluminum or magnesium based, you want calcium), sprinkle it on and water it in. Tums are my go-to suggestion because there's a good chance you may already have some in your house. I used 2 Tums per tomato plant when my maters got rot a few years back, and it took care of business. I don't know if 2 per plant was overkill or not, but it worked.
I'm not an expert, but I don't think it's blight. Blight usually goes from the top down and looks really fugly all the way around. Those just look like spots from bug bites. Sometimes if it's too dry out bugs that usually wouldn't bother your tomatoes will bite them for moisture. A bird bath or pans of water can help (but of course then you invite mosquitoes). The tomatoes should still be fine to eat, just cut off the icky bits. You could try Sevin dust if you want to get all chemical about it.
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My friend says end-rot, but it's not on the blossom end, and doesn't look anything like the end-rot I've battled before.
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Honestly, I don't know what it is.
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www.ext.colostate.edu/pubs/garden/02949.html
I don't know if that helps.
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