Gardening > Plant HealthJuly 25, 2010

Brown Spots on Tomato Leaves

I am trying to find an organic remedy for tomato plants with yellowing lower leaves and brown spots on them. They are growing beautifully and producing well, but I noticed yesterday the yellowing leaves. Please help. If it is blight, can I stop it now?

Hardiness Zone: 6a

By Marie

Answers

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By
07/26/2010

Marie, you wrote that the "lower" leaves are yellowing and have brown spots. Just prune away those lower leaves and branches.

I do that routinely as my plants start growing. It's the leaves and stems touching the ground that tend to get diseased. So keep them off the ground and mulch under your plants if you can.

Tomato plants tend to start looking a little ratty anyway the longer they produce. So, I just keep pruning away the yucky looking leaves and branches. I live in a warm climate. So, usually in late July or early August I prune my plants way back and usually get a fall crop until our first frost which occurs between October 20th to November 20th.

These late tomatoes don't produce as heavily as the summer ones. That's good because honestly I'm downright tired of canning, drying and freezing by then.
But, I love having tomatoes for salad, sandwiches, and fresh salsa.

Questions

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Tomato Plant Leaves Are Curling and Have Brown Spots

I just planted some tomato plants into a large pot, it's been about 5 days now. After I transplanted them I watered them with a little Miracle Gro and plain water. But some of my leaves are getting brown spots on them and around the edges they are browning and curling. What can I do ?

By Shelly from Salt Lake City, UT

 

Most Recent Answer

By coreenhart 05/31/2011

Just a thought. When you transplanted them, did you make certain the roots were all completely covered in dirt, and then water them heavily to settle the soil around them? I've killed a few plants by not transplanting correctly. Is the soil level at the same place where the plant was before? What kind of potting soil did you use? Plain old dirt doesn't work very well. Hope this is helpful.

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The leaves on my recently planted tomato plants are developing brown spots on them and some of the leaves are starting to curl inward, however there is new growth since I planted them, which I find encouraging.


Brown Spots on Tomato Leaves
I have black or brown spots on my tomato leaves and lots of them are turning yellow.

Hardiness Zone: 7a

By slyellets from Bridgeton, NJ


RE: Brown Spots on Tomato Leaves

Tomato plant diseases and their cures. http://gardening.about.com/od/vegetablepatch/a/TomatoProblems.htm (05/18/2009)

By Anonymous


Why are my tomato plants getting brown spots on them?


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