If you see velvety green spots on your apples or leaves, it's a sign your fruit tree has been affected by a disease that can severely diminish your yield.

CHASKA, Minn. — With all the wet weather we've had this growing season, lots of crabapples are looking bad. A big part of that is the fungal disease called apple scab, which impacts both leaves and ...

Purdue Landscape Report: Recently a homeowner in Hamilton County posted on the Indiana Native Plant Society Facebook page with concerns about aphids, mites, and apple scab in her maple and oak trees.

Apple scab, caused by the fungal pathogen Venturia inaequalis, remains one of the most significant challenges to apple production globally. Intensive research has elucidated the complex interplay ...