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Please Help me to Identify this Tomato Disease

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Please Help me to Identify this Tomato Disease

Post  audrey.jeanne.roberts on 12/10/2014, 5:23 pm

I've searched the web and this forum and haven't found anything that looks exactly like this.  It's in my greenhouse tomatoes.  I had it in last year's batch from time to time and this one is planted in another spot so I'm guessing it's airborne.  Is it related to tomato blight?  I saw some pictures that looked slightly similar but that's not usually an issue in our area.



Thanks in advance!
aj
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Re: Please Help me to Identify this Tomato Disease

Post  sanderson on 12/10/2014, 5:37 pm

Ugh! I have no idea. Is the lower half okay? Or does it go all the way inside?

Red tomatoes in December? Oh, so jealous! Very Happy
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Re: Please Help me to Identify this Tomato Disease

Post  audrey.jeanne.roberts on 12/10/2014, 5:40 pm

The whole bowl was picked this morning. Plum tomatoes are outside the green house and will die first frost, the cherry toms are greenhouse grown. That plant is over a year old.

Generally it only affects the tops, and they're not always cracked (I can be hit or miss with watering in the winter so sometimes they dry out or get too wet).  The rest of  the tomato is edible.  This is my first "Snow fairy" tomato.  It's winter tolerant down to 28 degrees if no frost touches the plant.
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Re: Please Help me to Identify this Tomato Disease

Post  camprn on 12/10/2014, 6:00 pm

Looks like the splitting may be related to tomato variety and anthracnose to me.
http://vegetablemdonline.ppath.cornell.edu/factsheets/Tomato_Anth.htm

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Re: Please Help me to Identify this Tomato Disease

Post  AtlantaMarie on 12/12/2014, 1:12 pm

I agree w/ Camp. 

I had that happen to a couple of my tomatoes.  Seems like when I left them on just a day or 2 late.  Some sort of bacteria or fungus got on it and turned the split black.  Rest of it was fine.
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Re: Please Help me to Identify this Tomato Disease

Post  audrey.jeanne.roberts on 12/12/2014, 2:39 pm

Marie, it's the same for me. I had a black sooty mold on my lemon cucumber in the greenhouse and just recently pulled it. I think that has impacted the tomatoes (I had it on them last year). It doesn't actually seem to hurt the tomatoes usually, I think it did because of the cracks.

Last year I was watering too much over the winter (hence the cracking) and then the mold was in there due to being shut up so much. I need to get a fan going for air circulation and neem oil once a week until it's under control.

Anything I'm missing or you guys would recommend my doing in addition?
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Re: Please Help me to Identify this Tomato Disease

Post  camprn on 12/12/2014, 3:00 pm

My tomatoes don't seem to be affected by anthracnose until late in the season and on fruit that is quite close to being overripe.

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Re: Please Help me to Identify this Tomato Disease

Post  audrey.jeanne.roberts on 12/12/2014, 3:26 pm

I'm not sure it's anthracnose - I don't have any depressions or spots on any of the tomatoes, just on the cracked one.
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Re: Please Help me to Identify this Tomato Disease

Post  camprn on 12/12/2014, 3:28 pm

audrey.jeanne.roberts wrote:I'm not sure it's anthracnose - I don't have any depressions or spots on any of the tomatoes, just on the cracked one.  
I was remarking about my experience, since you asked. I was not remarking on your current troubles. I hope you can figure it out soon.

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Re: Please Help me to Identify this Tomato Disease

Post  Marc Iverson on 12/14/2014, 3:46 pm

audrey.jeanne.roberts wrote:This is my first "Snow fairy" tomato.  It's winter tolerant down to 28 degrees if no frost touches the plant.

Let us know how they taste, please! That low temp tolerance sounds pretty groovy.

Also, besides just not dying when it's cold out -- do they continue to produce anything? I've had tomatoes and peppers and beans last a long time, but that didn't always do me any good, because most of them stopped producing anyway, or produced only little fruits in small amounts. Nothing worth keeping them in the ground for, I mean, as opposed to pulling them and planting some cooler-weather crops in their place.
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Re: Please Help me to Identify this Tomato Disease

Post  audrey.jeanne.roberts on 12/14/2014, 10:18 pm

We ate the tomato that was in the picture above and it was marvelous.  There are a lot of fruits on the plant, but we've had a warmer than normal fall.  Daytime temps have mostly been in the 70s and our nights until this week were above 40.
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