Plant Industry Division

The coffee leaf rust (CLR) is one of the most damaging diseases of coffee plants. It was first detected in Hawaii in October 2020 and has since been found on Maui, Hawaii Island, Oahu and Lanai.

Since its detection in Hawaii, there has been a multi-agency effort to assist the state’s $56 million industry manage this plant pathogen and minimize its damage and spread. The agencies involved include the Hawaii Department of Agriculture (HDOA), the University of Hawaii – College of Tropical Agriculture and Human Resources (UH-CTAHR), the U.S. Department of Agriculture’s Daniel K. Inouye Pacific Basin Agricultural Research Center, and also the Hawaii coffee industry.

What’s New

• October 25, 2023
  1. EPA has approved the use of Priaxor on coffee and the Section 18 label for Priaxor will not be valid starting November 1, 2023.
  2. Section 3 Label for Priaxor® Xemium
  3. Supplemental Label for Priaxor® Xemium for use on coffee plants
  4. Section 18 label for Priaxor® Xemium for use on coffee plants