I sounds like Early Blight to me. Get a good general purpose fungicide
and mist the leaves late in the evening once a week . If you water just
water the ground not the plant. Add 1/2 aspirin per gal. of spray also.
Next year start with the spray every week after you plant.


From Mel & Donnie in Bluebird Valley





http://community.webtv.net/MelKelly/TheKids