Anthracnose (Colletotrichum spp) and particularly the species C. gloeosporioides, is found in Hawaii on coffee. However, the species causing Coffee Berry Disease, C. kawahae, is not know to occur in Hawaii.
Anthracnose symptoms can develop on seedlings, flowers, fruit, leaves, and branches. Low humidity and no rain conditions limit the development and spread of this disease. However, in circumstances where high humidity, fog or rain and warm temperatures persist and where diseased leaves, twigs and fruit remain in the field, anthracnose spores can spread and become a problem. Spores spread in splashing water and can cause infection anytime from growth to fruit set to harvest. Temperatures of 75°F and above will accelerate anthracnose development, while temperatures below 59°F slows disease development.
Approved fungicide applications and proper plant nutrition can help alleviate this disease problem. Contact your local Extension Agent for more information.
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