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Browning stems but green inside?

Posted by starlingmydarling Southern California (My Page) on
Sat, Jul 28, 12 at 16:18

I'mm not sure what is going on with my plants, there seems to be ten thousand explanations online and none of them seem to fit perfectly. I live in Los Angeles in an apartment so I grow my organic brandywine tomatoes in a "spa" pot that you water from the bottom. They were doing great until they started to flower, when the bottom leaves began to yellow. I cut off all yellowing and this continues for some weeks but now there just seems to be an overall wilt with dark blue/black spots on the leaves. The stems are turning brown in the middle of the plant--they are green at the stem and green at the very top but the middle is brown. I cut some stems and the inside was perfectly green. I found brown dust on my hands from handling affected stems but was not able to "rub off" the brown color, so it wasn't just the dust. I grew this plant from a seed and feel sorry to see it doing so bad. Should I start all over or is this plant salvageable? Here's photos:


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Follow-Up Postings:

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RE: Browning stems but green inside?

Also in S. California, similar problem. I cant really find anything that matches it in the online diagnostics. The leaves and stems get kind of a faint dusting of yellow/brown and then the leaves just die. No noticeable spots/holes, the leaf is alive one day, then dead the next.


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RE: Browning stems but green inside?

  • Posted by qaguy Sunset 21/LosAngeles (My Page) on
    Tue, Aug 7, 12 at 20:57

Possibly spider mites? I do see a bit of a web
on the last picture.

Check for them especially under the leaves. They're
very, very small.


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RE: Browning stems but green inside?

  • Posted by socalgal USDA z10 Sunset z24, (My Page) on
    Tue, Aug 7, 12 at 20:59

Tomato russet mites?


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