Temporal Dynamics of Septoria Leaf Spot of Blueberry and its Relationship to Defoliation and Yield

Fig. 1. Symptoms of Septoria leaf spot on Premier rabbiteye blueberry (left) and Star southern highbush blueberry (right). Note the typically larger lesion diameter on the southern highbush cultivar (17).



Image from Plant Health Progress article:
Temporal Dynamics of Septoria Leaf Spot of Blueberry and its Relationship to Defoliation and Yield