Koa Wilt

Feb 3, 2016

Koa tree infected with koa wilt, staining of the sapwood.
Credit J.B. Friday, University of Hawaiʻi

The species of the Hawaiian forests are faced with a variety of different threats to their health and survival. One of the hardest threats to combat is that of disease. The majestic Koa tree is under attack from a microscopic enemy.

Christopher Phillips explains...