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Tomato blight? Help!

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Tomato blight? Help!

Post  The Cat's Other Mother on 5/17/2011, 1:39 pm

Almost all my tomato plants have come down with spots. Is this blight?



What should I do about it? Help!

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Re: Tomato blight? Help!

Post  camprn on 5/17/2011, 4:47 pm

Oh Dear!!! Hey there is some good info and links to good info in this thread about Tomato Diseases.
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Re: Tomato blight? Help!

Post  pattipan on 5/17/2011, 5:01 pm

Is all the plant affected or just the lower leaves?

Here's another good resource: Cornell's Vegetable Md Online.

pattipan
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Re: Tomato blight? Help!

Post  camprn on 5/17/2011, 5:02 pm

@pattipan wrote:Is all the plant affected or just the lower leaves?

Here's another good resource: Cornell's Vegetable Md Online.

pattipan
AN EXCELLENT LINK!!! Wink
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Re: Tomato blight? Help!

Post  jbh29 on 5/17/2011, 5:33 pm

I think I have the same problem. I'm thinking early blight.



It seems the only thing to do with diseased plants is to get rid of them? And I probably can't (shouldn't) replant another tomatoe in the place of the sick one?

I'm so bummed - it throws off my whole plan for my ideal garden design and string trellises! Where does this disease come from and how do you prevent it from happening again?
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Re: Tomato blight? Help!

Post  Lavender Debs on 5/17/2011, 5:45 pm

@ the cats other mother: Some of the lower leaves of my black plums did that last year. I cut off the bad leaves and hoped for the best. The plants went on to be very healthy even though the summer was so cold I never got ripe fruit. You are the only one who can decide what to do but I would clean it up and leave it.

@ JBH29 I've also had plants that looked like this. Mine have always been from being too cold at night. As soon as the night warmed up they greened up. Though I must admit I did not have a beige blotch, just yellow leaves. Again, you are the only one who can decide what is right for you but I vote pinch off the affected leaves, don't plant other tomatoes, potatoes or egg plant close to it and wait and see.


Wash your hands and tools after fussing with these tomatoes. If you smoke, wash your hands before you touch them.
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Re: Tomato blight? Help!

Post  The Cat's Other Mother on 5/17/2011, 6:10 pm

@pattipan wrote:Is all the plant affected or just the lower leaves?

Here's another good resource: Cornell's Vegetable Md Online.

pattipan

It seems worse on the lower leaves. I went out today and clipped off the worst affected lower branches and drenched everything with Neem. I looked over that page, and I'm thinking it looks most like septoria. What brand of fungicide should I get?

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Re: Tomato blight? Help!

Post  camprn on 5/17/2011, 6:23 pm

I am going to suggest contacting your local County Ag Coop Extension Agent, they will be able to ID what you have there and offer advice on the appropriate remedy.
DeKalb Co. Extension Service
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Re: Tomato blight? Help!

Post  jbh29 on 5/17/2011, 6:34 pm

I just couldn't do it! I went out to lament over my sick babies and I couldn't pull them up. pale So I clipped off all offending leaves and I will see what happens. They are near many other tomatoes that seem fine... And tomatoes in 2 other beds right close by are all great looking.

I don't know if it matters, but I'm still using my hoop houses. Durring the day I open the ends and sometimes remove plastic to work on things.
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Re: Tomato blight? Help!

Post  camprn on 5/17/2011, 6:42 pm

@jbh29 wrote:I just couldn't do it! I went out to lament over my sick babies and I couldn't pull them up. pale So I clipped off all offending leaves and I will see what happens. They are near many other tomatoes that seem fine... And tomatoes in 2 other beds right close by are all great looking.

I don't know if it matters, but I'm still using my hoop houses. Durring the day I open the ends and sometimes remove plastic to work on things.
It's ok, you did well. That is what I would have done. What a Face
Please be sure to throw the affected leaves and stems into the trash or onto a fire. If you throw them in the compost the bacteria/virus will certainly spread. Evil or Very Mad
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Re: Tomato blight? Help!

Post  Ha-v-v on 5/17/2011, 6:55 pm

For blight I use a product by Southern Ag
LIQUID ORNAMENTAL & VEGETABLE FUNGICIDE contains DACONIL I believe this is the DACONIl


http://www.southernag.com/lg_fungicides.html

12.5% Chlorothanlonil I have seen this in other fungicides in a higher amount.

This is the pdf to their products http://www.southernag.com/docs/LGProductGuide2009.pdf

Last year I could see the success with this product. I kept it sprayed after the rains and when I saw things going astray. My goal is to use something else Smile or as organic as I can get, but right now this works and Im happy.
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Re: Tomato blight? Help!

Post  The Cat's Other Mother on 5/18/2011, 10:10 pm

I'm treating with Daconil and trimming the worst branches, plus feeding with Espoma's Garden-Tone. I will let you guys know how well this works. Thanks for all the great info!

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