powdery mildew of tomato

Powdery mildew-easily recognized by the white talc-like lesions on leaves and stems.  More often observed in greenhouses or high tunnels than in the field. Not usually a problem. 

Figure 1. powdery mildew of tomato. Lesions of powdery mildew have talc-like appearance. Figure 1. Powdery mildew of tomato. Lesions of powdery mildew have talc-like appearance.
Figure 2. Powdery mildew of tomatoes has covered much of the leaf surfaces shown here. Figure 2. Powdery mildew of tomatoes has covered much of the leaf surfaces shown here.
Figure 3. A relatively mild outbreak of powdery mildew of tomato. Figure 3. A relatively mild outbreak of powdery mildew of tomato.
Figure 4. Lesions of powdery mildew of tomato on stem. Figure 4. Lesions of powdery mildew of tomato on stem.
Figure 5. A close up of powdery mildew on tomato leaves. Figure 5. A close up of powdery mildew on tomato leaves.
Figure 6. Powdery mildew of tomato on flower sepals. Figure 6. Powdery mildew of tomato on flower sepals.
Figure 7. Powdery mildew of tomato. Figure 7. Powdery mildew of tomato.
Figure 8. Powdery mildew of tomato. Figure 8. Powdery mildew of tomato.