Evaluations of New and Current Management Strategies to Control Phomopsis Cane and Leaf Spot of Grape

Fig. 2. Frequency of disease incidence on leaves and internodes observed in twenty-one commercial vineyards surveyed from 2002-2004 in Ohio. Dashed line and number on top-center represents median value in proportion.



Image from Plant Health Progress article:
Evaluations of New and Current Management Strategies to Control Phomopsis Cane and Leaf Spot of Grape