UGA Extension fruit pathologist says use lime sulfur on blueberries to manage Exobasidium disease

By Clint Thompson, University of Georgia

The key to managing Exobasidium leaf and fruit spot disease in blueberries, which makes the fruit unmarketable, is one application of lime sulfur approximately two weeks prior to bud break, according to Jonathan Oliver, University of Georgia Cooperative Extension fruit pathologist.

Exobasidium disease causes spots on the leaves and fruit, decreases the fruit’s size and, because of the fruit’s immaturity, gives it a bitter taste. The leaf spots eventually turn velvety and white and lead to early defoliation, and the spotted fruit is not fit for sale. Continue reading