Coffee Leaf Rust Information

Posted on Oct 25, 2023 in Main

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.

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