leaf roll of tomato

Leaf roll-this symptom is not necessarily due to an infectious disease. Leaf roll may occur due to any type of plant stress. In addition, some tomato varieties are more likely to exhibit leaf roll than others. Leaf roll does not necessarily represent a problem. 

Although leaf roll of tomato leaves can sometimes indicate stress, leaf roll can also be genetic Figure 1. Although leaf roll of tomato leaves can sometimes indicate stress, leaf roll can also be genetic. The leaf roll on the plant to the left is due to variety and does not indicate a problem with the plant. The plant to the right, in contrast, is a different variety and does not exhibit leaf roll.