Occurrence and Prevalence of Foliar Diseases on Blueberry in Georgia

Fig. 3. Prevalence of foliar diseases on blueberry leaf samples, based on a field survey in Georgia in summer and fall of 2002 (n = 78) and 2003 (n = 99). Prevalence was calculated based on presence or absence of a particular disease on at least 5% of the leaves in a given sample.



Image from Plant Health Progress article:
Occurrence and Prevalence of Foliar Diseases on Blueberry in Georgia