Looks like it could be mites. If you look at the leaves with a magnifying glass and see tiny white dots that move ( you can't see them with the naked eye)it's most likely mites. They are difficult to control though I had some success with neem oil.

You could also take a sample to your county extension office and get a free diagnosis--that's how I discovered I had mites when I thought I had a disease.

john

Have any weed killers been used *anywhere* in the general vicinity?

john, should i cut off the affected areas?

Dale

Dan

I did and got nice healthy looking new growth which soon curled and turned brown like the others. Did you find the mites?

No not yet I need to find a magnifying glass. I cannot find neem oil in my area so I got some other spray for now. You said the new growth turned brown mites again? None of the curled leaves are turning color at this time.

Dale

Maybe it's not mites. I would still yake a plant or a branch to my county extension office. where are you in Michigan? I grew up in Port Huron and went to school in Detroit.

Here is a link that might be useful: Mich. Extension offices

jean001, I think that you may have it not sure yet i talked to the county extension this morning and sent her the pics that i have but by the descriptions that I gave her over the phone she is leaning toward herbicides as the cause. will keep everyone updated.

Dale

I received an email from the county extension office and she believes that it is herbacides.I guess I won't be using weed and feed on the lawn anymore. Below is the email I received.

Dale

Hi, Excellent photos, and they certainly show the classic epinasty we would expect from a whiff of broadleaf herbicide containing 2,4-D. The fact the plants look so healthy otherwise makes me think they got a very small dose and there may be hope for many to survive, but it is likely at least some of the survivors will be stunted and unproductive. There is no genetic change, nor carry over of the problem in seeds, so if mature fruits and seeds are produced, you should be able to save the seeds. With a larger dose, even the older stems and leaves on the plants would show symptoms including yellowing, by now.
If you read the description on this site of herbicide injury, I think you will agree that your symptoms match, even if the photo shows a tomato leaf.
http://vegdis.cas.psu.edu/VegDisases/Identification_files/tomatoherb.htm#injury

Thanks for the update. It helps all of us learn more.

As was said in the report you received, the outcome will depend upon just how large a dose the peppers received. Only time will tell.