The bacterium Xylella fastidiosa is the causal agent of bacterial leaf scorch of blueberry, which primarily affects cultivars of southern highbush blueberries(interspecific …
Leaf rust, caused by the rust fungus, Pucciniastrum vaccinii …
Alternaria Leaf Spot (Alternaria tenuissima) occurs primarily in the spring during prolonged periods of cool wet weather, when spores are produced in abundance. In most cases only lower leaves are affected; however, instances do occur when severe infection completely defoliates …
Gloeosporium leaf spot can cause severe defoliation and reduction in yield of blueberry crops.
Symptoms include:
Dothichiza caroliniana and Gloeocercospora inconspicua
In late summer, the double spot fungus develops a secondary necrotic area around the original lesion spreading in an irregular to fan-shaped pattern. The gloeocercospora leaf spot appears on the foliage by mid-summer as large …
Symptoms:
During the blueberry growing season, you will be concerned about several foliar diseases of blueberry, including:
These diseases should be …
The powdery mildew disease usually does not develop on blueberry leaves until midsummer after the crop is harvested.
Symptoms:
