You can have up to 6 additional email accounts in Comcast besides your primary account. Sign on to your primary account and click on the Users & Settings tab at the top of the page. You should see a link in blue underneath your user name that says Create Secondary User.
If you notice yellow leaves in other areas of the tomato plant, or the yellowing at the bottom is spreading upward, this could be a sign of disease, such as curly top virus (usually curly top virus will show signs of yellowing leaves that are curling up as well), Ringtop Virus, or other diseases.
Heat and low moisture can cause the. edges of the tomato leaves to die back, then. twist and curl. Hot dry weather may also cause a symptom. called physiological leaf roll. This is a self-. defense response, where leaves and leaflets curl. slightly to prevent further water loss (Fig.