Before, the seasons seemed etched into the calendar, with well-defined periods of drought and rain. Today, the climate has ...

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 coffee leaf rust, “one of the most devastating pests of coffee plants,” has been tentatively identified on plant samples collected on Maui from managed and wild coffee in Haiku, the state ...

This allowed them to find a region of DNA sequences common among different leaf rust resistant coffee plants, with a new combination of Robusta-based genes that may convey resistance in Arabica ...