Disease ? What kind?

17 years ago

I noticed some brownish looking patches on the leaves of a large number of my plants. Some seem to be appearing on the undersides or top of the leaves only but some actually showing up on both sides of the leaves. In what seems like more advances stages the leaves are yellowing, curling and starting to show some necrotic spots.

I'm leaning towards a disease rather than defficiency as it seems to be affecting both in-ground and container plants. It's appearance has coincided with appearance of large number of aphids, but don't know if it's connected at all.

I can't really match the symptoms to anything available on the net, but maybe the pics outthere are of really advanced stages of the disease. Anyways, maybe some of the resident experts have encountered something similar and can be of help. Thanks.

Underside of tomato leaf

Topside tomato leaf a little more advanced

eggplant

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Comments (4)

kandm
17 years ago
Your pictures are a little blurry so I can't really see the problem too well. Here is a link that you might find useful. It is Vegetable MD online from the Cornell University Department of Plant Pathology.

Select you crop from the ones pictured and you will be taken to a detailed list of common diseases, symptoms, pictures and solutions. Hope it helps.

Here is a link that might be useful: Vegetable MD Online
andy_toms
Original Author
17 years ago
I know pics are a bit blurry, i guess i have to invest in one of those $500+ SLR's, perhaps i zoomed in a little too much. I looked at all kinds of websites for tomato diseases and what i'm seeing in my yard is nothing like what i can find on the web. Then again they might be showing pretty advanced stages of all theese disorders. Some of the symptoms do fit some of the descriptions but no perfect match but thanks anyway kandm.
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andy_toms
Original Author
17 years ago
What i'm seeing most resembles the picture below (i know it's only a drawing), though i couldn't find actual photos showing this kind of stuff. All the photos of TSWV i can find show pretty advanced stages of the disease where pretty much the whole plant is dying.
All the info i can find on TSWV says it's transmitted by thrips. Is it possible that aphids carry it too??? I have not seen any thrips and i have been looking over my plants pretty closely since the aphids started showing up.

Here is a link that might be useful: illustration of TSWV
jean001
17 years ago
Not TSWV.

Look at this photo of the leaves.

http://www.ces.ncsu.edu/fletcher/programs/plantpath/2006-11-tomato-disease/tdw-agenda.html

Perhaps environmental glitch.

Need more history. Fertilizer? Water? Temperatures? Anything else?