Gerry Ross, the owner of Kupa’a Farms in Kula, sent a complaint letter to the state Department of Agriculture last month ...

A coffee tree infected with coffee leaf rust will display irregular-shaped, yellowish spots on the surfaces of the leaves. Underneath the leaves, there may be powdery spores, yellow to orange in ...

The fungus may also infect young stems and ... the department said. Coffee leaf rust, Hemileia vastatrix, was first discovered in Sri Lanka in 1869 and is now found in the major coffee-growing ...

Big Island coffee farmers could once again get thousands of dollars in state funds to pay for pesticides to combat a pair of ...