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| Same plant, different set of leaves. |
Follow-Up Postings:
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- Posted by Cole_Robbie none (My Page) on Tue, Jul 3, 12 at 2:00
| No, it's worse. The black spots are bad news. I thought it might be spotted wilt virus, but now I think it looks a lot more like Bacterial Speck. If that's what it is, then it came with your seed. http://plantpathology.uark.edu/3292.htm http://www.ag.ndsu.edu/pubs/plantsci/hortcrop/pp736w.htm "Copper-containing fungicides can help alleviate losses." |
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| What's a good Copper-containing fungicide? How well does Serenade disease control work, and does it contain copper? |
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| Hmm that's odd though, in the mix of 16 plants, I have Early Girls, Roma, Big boy, and one other I can't remember off-hand. If it came in the seed then why are all the plants affected the same way? Plus 3 other plants in pots up by the house are also affected, and they are a LONG way from the garden. Thanks |
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- Posted by Cole_Robbie 6 (My Page) on Tue, Jul 3, 12 at 13:21
| I don't know. Every disease seems to be bad for everyone this year. Did you buy them from a seed company, or individual, or save them yourself? I only had one choice locally for a copper fungicide. Serenade is an interesting product. They describe it as a beneficial fungi, but it's the genus bacillus which means it's bacteria. I wonder how well the bacteria would survive being hit with copper, sulphur, and daconil. Fungicides are supposed to be used in a rotation. |
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| The plants were purchased from a local reputable local greenhouse/nursery. |
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- Posted by Cole_Robbie none (My Page) on Tue, Jul 3, 12 at 17:03
| You could ask them if anyone else has had the same experience. They should be grateful to get the feedback and will likely offer to at least give you more plants. If they got bad seed, they are going to want to know about it. I sold quite a few tomato plants this spring, and I got one guy who told me later that he thought they had early blight. I was mortified and made him take free replacement plants. But that's how I first noticed that I had the blight, so I was grateful. Plus, he felt bad that I was giving him so much for free so he bought some pepper plants. Free replacement of sick plants is a good business practice. |
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| Bacterial Speck and Bacterial Spot are not just seed borne. They can also exist in garden debris and survive in soil - both in the garden and in a greenhouse. And once it develops in a garden it is easily transported from plant to plant. It moves just like any other bacteria does. But honestly, the issue is not how it got there or where it came from or really even what it is for sure. The treatment is the same - remove all the affected foliage ASAP and get going on a regular, dedicated copper-based fungicide spray program and hope the weather cooperates. Dave |
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- Posted by suncitylinda 9A SoCal Inland (My Page) on Wed, Jul 4, 12 at 10:56
| I read on another forum that Serenade is best used early in the season as a preventative and that when used in rotation with copper, it is indeed killed. The poster said that they started the season with Serenade and then later (at the onset of disease) switch to copper, daconil, etc. |
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- Posted by Cole_Robbie none (My Page) on Wed, Jul 4, 12 at 11:01
| Thanks, Linda. I suspected that. |
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| Thank you all so very much!! I picked up a copper based fungicide yesterday, I had some fungicide but it didn't list copper, should I use both? Or just the copper one? After picking up the fungicide, I tripped and twisted my ankle, so I was off my feet the rest of the day. And Of course today we have thunderstorms. Hopefully I can get out there tomorrow, cut off infected parts and spray. Jenny P |
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- Posted by Cole_Robbie none (My Page) on Wed, Jul 4, 12 at 13:56
| You'd have to read the label on the other fungicide to see what the active ingredient is. Just the copper I think would be fine for now. Sorry about the ankle (ice, elevate, & ibuprofen.) Happy 4th. |
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| Different types - copper vs. non-copper - of fungicides have different uses and work in very different ways. Each brand of fungicide contain different ingredients and have very different application rates and methods. There are literally 50 current discussions here about fungicides that can provide you with all kinds of info about your questions. But in the mean time the label directions of whichever one you buy should be your guide. Copper-based fungicides are generally recommended for bacterial issues, which is what you have, and why copper=based ones are what have been recommended for you. Once you have the time you will also want to do some research into Bacterial Spot and Bacterial Speck diseases for future reference since, if it wasn't already, your garden soil is now contaminated and could affect future plantings. And with any future plantings you will want to remove any affected foliage you see ASAP rather than leave it on the plant. There is a great deal of detailed info available on the web about both diseases, their cause, pictures, their symptoms, treatment, and preventative measures that can be of great benefit to you in the future. Dave |
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| Hey dave, you mention contaminated soil, I think I have that. I get a blight/fungus every year. Now I rotate my tomatoes as best I can but with a limited garden size rotation consists of a few feet here and there. Now, lets say my soil is sick, how can I cure it? Any advice? |
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- Posted by Tomatobaby none (My Page) on Fri, Jul 6, 12 at 9:25
| I crushed a probiotic pill and mixed it with some water and sprayed/rubbed it all over my tomato plant as well as watered the remaining amount at the base and my plant seems not to have gotten any worse. I tried it bc half my tomato plant at the time was yellowing and I pretty much thought I would have to pull it out in a week or so. I also cut off the yellow/spotted leaves that were really badly afflicted and now it looks like the yellowing/spotty spreading has slowed down. I see more green than yellow. So I at least extended the life on it by a few weeks. Just so you know it will leave a white residue/powder on the leaves that I just leave on there. Hopefully it keeps the fungus away. I wish I had taken a picture so I could show everyone how bad it looked before ... it isn't great now but it is looking much better so I at least will have this tomato around for another 5-6 weeks or longer if it actually gets better. I have a little one that gets into everything so I didn't want to use any fungicides. |
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