LEAF RUST

The Crop Software Behind Your Daily Cup Of Coffee

His farm, Finca La Soledad, sprawls across 220 acres. Trees planted to shade the coffee plants—yucca, Inga, mango—stud the landscape, the whole green mass of which is sheathed in a silvery mist. Behind Perez looms Volcan de Fuego…

Can A Tiny Invasive Snail Help Save Latin American Coffee?

While conducting fieldwork in Puerto Rico’s central mountainous region in 2016, University of Michigan ecologists noticed tiny trails of bright orange snail excrement on the undersurface of coffee leaves afflicted with coffee leaf rust, the crop’s most economically important pest.