Kona coffee matching Federal law. Some retailers use terms such as 'Kona Roast' or 'Kona Style'. To be considered authentic Kona coffee, the state of Hawaii's labeling laws require the prominent display of the words "100% Kona Coffee". In 1993 the Kona Coffee Council, a regional coffee growers association, tried unsuccessfully to protect the name "Kona Coffee" by trademarking their logo with the United States Patent and Trademark Office. They were opposed by Kona Kai Farms, Inc, Captain Cook Coffee Co., Hawaiian Isles Enterprises, and Hawaii Coffee Company. In 2000 the Department of Agriculture of the State of Hawaii registered a "100%
Coffee State (now the Democratic Republic of the Congo) to Brussels to Java around 1900. From Java, further breeding resulted in the establishment of robusta plantations in many countries. In particular, the spread of the devastating coffee leaf rust ("Hemileia vastatrix"), to which "C. arabica" is vulnerable, hastened the uptake of the resistant robusta. "Hemileia vastatrix" is a fungal pathogen and results in light, rust-colored spots on the undersides of coffee plant leaves. "Hemileia vastatrix" grows exclusively on the leaves of coffee pants. Coffee leaf rust is found in virtually all countries that produce coffee. Mycena citricolor is another threat to