One of the most harmful of these threats is the disease coffee rust. Two pathogens exist but only one of them is present in all coffee growing regions around the world: Hemileia vastarix. Contrary to popular belief, coffee rust can attack both Coffea arabica (Arabica coffee) and Coffea canephora (Robusta coffee). Outside of the genus Coffea, no alternative hosts for coffee rust have been found. These two coffee varieties are the most important and profitable varieties of coffee on the market. In the mountainous regions of the Valley of Cauca, Arabica coffee is an extremely important
One of the most harmful of these threats is the disease coffee rust. Two pathogens exist but only one of them is present in all coffee growing regions around the world: Hemileia vastarix. Contrary to popular belief, coffee rust can attack both Coffea arabica (Arabica coffee) and Coffea canephora (Robusta coffee). Outside of the genus Coffea, no alternative hosts for coffee rust have been found. These two coffee varieties are the most important and profitable varieties of coffee on the market. In the mountainous regions of the Valley of Cauca, Arabica coffee is an extremely important