Causes of tomato plant problems are many. There could be a deficiency in the soil. A soil sample would tell you this. It could be a watering issue, or heat stress. It could be a bacterial problem. Or it could be normal die back of leaves. By the way, the tomato looks good!Below are some links to information about tomato growing in NC. Soil sample kits are available at the Extension Office, 721 Foster Street, Durham.
https://extensiongardener.ces.ncsu.edu/2021/04/growing-tomatoes-at-home/
https://vegetables.ces.ncsu.edu/tomatoes-diseases/
https://durham.ces.ncsu.edu/2020/04/setting-your-tomatoes-up-for-success/
https://durham.ces.ncsu.edu/2020/05/nows-the-perfect-time-to-test-your-soil/

https://durhammastergardeners.com/2024/06/12/achieving-peak-tomato-performance/

Wanda & Flora , Master Gardeners

Causes of tomato plant problems are many. There could be a deficiency in the soil. A soil sample would tell you this. It could be a watering issue, or heat stress. It could be a bacterial problem. Or it could be normal die back of leaves. By the way, the tomato looks good!Below are some links to information about tomato growing in NC. Soil sample kits are available at the Extension Office, 721 Foster Street, Durham.
https://extensiongardener.ces.ncsu.edu/2021/04/growing-tomatoes-at-home/
https://vegetables.ces.ncsu.edu/tomatoes-diseases/
https://durham.ces.ncsu.edu/2020/04/setting-your-tomatoes-up-for-success/
https://durham.ces.ncsu.edu/2020/05/nows-the-perfect-time-to-test-your-soil/

https://durhammastergardeners.com/2024/06/12/achieving-peak-tomato-performance/

Wanda & Flora , Master Gardeners