late blight of carrot

Leaf blight-necrotic lesions may make carrot ferns appear brown or black. Lesions are irregular in shape. 

Figure 1. Late blight of carrot. Note necrotic leaves. Figure 1. Late blight of carrot. Note necrotic leaves.
Figure 2. Late blight of carrot. Figure 2. Late blight of carrot.
Figure 3. Late blight of carrot. Figure 3. Late blight of carrot.
Figure 4. Late blight of carrot. Figure 4. Late blight of carrot.