Arkansas County Extension Agents Brad McGinley and Shaun Rhoades discuss common issues home gardeners face when growing tomatoes. They discuss common diseases as well abiotic disorders caused by environmental factors and herbicide damage. They also give gardeners tactics to use to help prevent potential problems as well as discussing ways to diagnoses issues.
For more helpful info on growing tomatoes check out this link.
https://www.uaex.edu/yard-garden/vegetables/tomato-gardening.aspx