What's happening to my tomatoes?

[frdnicholas]

I have a feeling this may be common and you folks will be able to identify and, hopefully help me fix it. The leaves are turning yellow, then brown. I'm in zone 8b Southeast Coastal Georgia. Thanks.

 

[Chuck]

Early Blight

 

[Andrew_]

A few of my tomato stems are turning brown. Uhoh.

 

[Chuck]

A few of my tomato stems are turning brown. Uhoh.

Browning/blackening of stems is usually a sign of root rot from staying too wet. Is your picture a true color representation? And what time of day was the picture taken?