Is this early blight?

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Posted by firsttimegrdnr IL (My Page) on

Tue, Aug 11, 09 at 16:46

I have been advised that the tomato plant I am growing in a community garden has blight. I noticed spots on the leaves a week ago and pruned the worst of them a few days ago. There are still a few leaves and stems with spots, which I have taken three pictures of. A neighbor's plot has the same (or very similar) thing going on to a greater extent, so I took two pictures are of their plants as well. After reading about and looking at numerous pictures of the disease, I'm overwhelmed! Can anyone lend a hand identifying the problem with these tomato plants?

Here is a link that might be useful: Tomato Images

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RE: Is this early blight?

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Posted by zwaantje VT 4-5 (My Page) on
Thu, Aug 13, 09 at 18:46

I am no expert by any means. But this looks exactly like what my plants had and what is referred to here in Vermont as Blight (there is a word in front of that but I don't know which, 'Light' perhaps?)

On my plants it started with teeny tiny spots but no matter how many leaves you take off, it doesn't disappear. It seems to be a fungus that also kills potatoes.

It was quite a surprise when the blight showed up where we live. It killed all my tomato plants, and I only saved about 25, 30 tomatoes that are still green.

M~.

RE: Is this early blight?

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Posted by petzold6596 8b southern NM (My Page) on
Thu, Aug 20, 09 at 20:23

Remove the infected leaves and spray the plant, top and underside of the leaves, with a fungicide contain a copper compound. Yes it is blight. Through the infected leave in the garbage and at season end remove ALL of the plants and put them in garbage. Leave NO debris in the garden. Google 'tomato blight' to get more info.

RE: Is this early blight?

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Posted by eplina (My Page) on
Fri, Aug 21, 09 at 16:36

its tomato blight. you can remove the infected plant

Here is a link that might be useful: Tomato-Late-Blight.

RE: Is this early blight?

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Posted by briergardener 7 (My Page) on
Sat, Aug 22, 09 at 15:46

I got blight in GH this year.
I have removed only bad leaves for now and sprayed plants.
Will see later.

Question: how it origanated? from seeds? soil? air? I did not have blight last year. I don't have it on toms outside, only in greenhouse.

Should i replace all soil in GH in winter or just spray with something?

Can anybody recoment blight resistent tomatoes for GH (for next year)?

thanks

RE: Is this early blight?

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Posted by petzold6596 8b southern NM (My Page) on
Sat, Aug 22, 09 at 17:48

Blight whether early or late winters over in the soil and on garden debris so do what you want. A fungicide w/ copper cmpd sprayed on/in the soil would be effective for small areas such as in the GH.

RE: Is this early blight?

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Posted by joannaqcw NY 4/5 (My Page) on
Fri, Aug 28, 09 at 13:40

This link goes to Cornell's FAQ on late blight, which includes control techniques and resistant varieties:
http://www.hort.cornell.edu/department/Facilities/lihrec/vegpath/lbfaq.pdf

Here is a link that might be useful: Late Blight FAQ

RE: Is this early blight?

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Posted by staceyneil (My Page) on
Sat, Sep 5, 09 at 17:09

The Cornell info indicates that the blight does NOT over winter in soil, and that removing the plant debris (and especially any infected potato tubers) will be enough. Or did I misunderstand?

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