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Anthracnose - /anˈTHrakˌnōs/ - noun

June 26th, 2019

Definition: Anthracnose is one of the most common fungus diseases that can affect the Forest Gardens we grow. The symptoms are similar across all infected tree species; it attacks branches, leaves, fruit, and sometimes young roots, eventually leading to the death of the tree. Anthracnose-infected leaves and fruit have small, round spots that are dark brown to black in color, holes can sometimes appear instead of spots.

In the Forest Garden: Anthracnose plagues mango trees the most, although it may also attack citrus, avocado and other species. When it attacks mangos, the extremities turn brown and the roots may dry up. The disease can also manifest itself as cankers on leaves, roots, and fruit.

Protecting Against Anthracnose:

  • Maintain well-drained soil, and do not allow ripening fruit to touch the soil. .

  • Field sanitation is key; make sure your garden is well-cared for and that you catch anything before the fungus spreads too seriously.

  • Prune and burn all infected branches, leaves, and fruit. Don’t forget to prune with clean tools!

Learn more about common fungi and ways to protect against them in Module 16 of the Forest Garden Training Manual.

Photo Courtesy of Rutgers University.