Collaborating researchers showcased their wide-ranging technology for journalists Monday at the Hilo Air Patrol.
A tree can be infected with either of the two species of Ceratocystis fungi that causes ROD for months before symptoms of the illness — browning leaves — appear, but once symptoms do show up the tree dies within weeks. An estimated 75,000 acres of ohia forest on the Big Island have already been affected. More than 200,000 ohia trees died between 2015 and 2016, with some research estimates placing the number closer to 300,000.
Read on in the Hawaii Tribune Herald