Bacterial Speck
Bacterial Speck Symptoms
Click photo for what causes Bacterial Speck
The disease causes small, round, dark spots on leaves. Young spots do not have a halo (light border) but older spots can. Spots may grow together, killing larger areas of leaf tissue. The disease causes small, round, dark spots on stems that may grow together. The disease causes small, round, dark spots on leaves. Young spots do not have a halo (light border) but older spots can. Spots may grow together, killing larger areas of leaf tissue.