purple spot of asparagus

Purple spot-spears may appear as a pink or purple mottle. Lesions may have light necrotic centers. 

Figure 1. Purple spot of asparagus. The lesions of this aptly named disease may be sunken. Figure 1. Purple spot of asparagus. The lesions of this aptly named disease may be sunken.
Figure 2. Purple spot of asparagus. Figure 2. Purple spot of asparagus.
Figure 3. Purple spot of asparagus. Figure 3. Purple spot of asparagus.