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Is this septoria? Bacterial speck? It keeps getting worse :/

Posted by nubiegardener none (My Page) on
Mon, May 20, 13 at 10:02

After heavy rainfall and humid weather, these black spots began appearing on my leaves. I'd spray with baking soda with no affect. The problem is persisting onto new growth and the blooms of my tomato plants, causing the blooms to shrivel up before pollinating. Septoria and bacterial speck looks the same, so what do you guys think it is? And how would you go about treating it?


Follow-Up Postings:

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RE: Is this septoria? Bacterial speck? It keeps getting worse :/

Gosh, I don't know. What zone are you in? Maybe modify your profile so your zone shows up after your username. I'm sure someone will also chime in, but I'd probably begin spraying with my fungicide of choice which is Daconil.


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RE: Is this septoria? Bacterial speck? It keeps getting worse :/

Sorry, I'm in zone 7a. I was considering the daconil route, even though I'm trying to go as organic as possible.


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RE: Is this septoria? Bacterial speck? It keeps getting worse :/

anyone??


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RE: Is this septoria? Bacterial speck? It keeps getting worse :/

Look more like aphids than disease.

Are they squishable?
If so, likely aphids. Continue to squish, or wash off, or direct hits of insecticidal soap diluted according to label directions.


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RE: Is this septoria? Bacterial speck? It keeps getting worse :/

I can't tell for sure from just one leaf. Take a picture of the plant and post it pls. Just fyi, it looks to me like Tomato Spotted Wilt virus, but need to see an entire plant to be sure.

DarJones


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RE: Is this septoria? Bacterial speck? It keeps getting worse :/

Jean, definitely not aphids.

Fusion, I'm hoping its not spotted wilt virus! I looked up photos and it certainly looks like it! I'm going to take samples to my extension office soon. I didnt take a photo of the entire plant because only small sections are showing symptoms that you can't see unless closely examining.


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