This gallery contains photos of symptoms of Rapid ʻŌhiʻa Death and symptoms that are not ROD. Please scroll to view more.
Symptoms of Ceratocystis wilt of ʻōhiʻa include rapid browning of affected tree crowns. (Photo by JB Friday)
Seeing the crown of a healthy tree turn brown within days to weeks is a typical symptom of ROD. (Photo by JB Friday)
Bark slash of an ʻōhiʻa tree showing tangential view of dark staining of sapwood from Ceratocystis infection. (Photo by L. Keith)
The crown of this tree had turned brown within a few weeks. Cutting into the wood beneath the bark revealed dark vertical stains and produced a fruity smell. (Photo by C. Yanger)
Cross section of an infected ʻōhiʻa showing the characteristic dark staining of sapwood caused by Ceratocystis. (Photo by JB Friday)
This photo shows some of the variety in staining patterns of a ROD infected tree. (Photo by JB Friday)
Small dark spots scattered throughout the sapwood and heartwood of an ohia trunk are NOT typical of ROD fungus. (Photo by B. Luiz)
The light brown starburst pattern of this crosssection of ohia wood is NOT typical of trees infected with ROD. (Photo by B. Luiz)
The meandering, curvy dark stains in these crosssectional pieces of ohia wood are NOT typical of ROD infected trees. (Photo by JB Friday)
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University of Hawaiʻi at Mānoa College of Tropical Agriculture and Human Resources | USDA ARS Daniel K. Inouye U.S. Pacific Basin Agricultural Research Center | USDA Forest Service Institute of Pacific Islands Forestry | Department of Land and Natural Resources, Division of Forestry and Wildlife | University of Hawaiʻi at Hilo | The Nature Conservancy (TNC) | Hawaiʻi Association of Watershed Partnerships | Coordinating Group on Alien Pest Species CGAPS | Big Island, Maui, Moloka'i, O'ahu, and Kaua'i Invasive Species Committees (ISCS) | USFS Region 5 State and Private Forestry | USGS Pacific Island Ecosystems Research Center | Carnegie Airborne Observatory