powdery mildew of cucumber

Powdery mildew-Symptoms of this disease on cucumbers are relatively easy to recognize from the white talc-like appearance on leaves. This disease appears to be more likely on cucumbers grown in greenhouses or high tunnels.

Figure 1. Powdery mildew of cucumber. Figure 1. Powdery mildew of cucumber.
Figure 2. Powdery mildew of cucumber. Figure 2. Powdery mildew of cucumber.