rapid ohia death, extent, symptoms, signs, transmission, current recommendations

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Rapid ʻŌhiʻa Death: Disease Image Gallery

Browning of crowns

Browning of crowns

Symptoms of Ceratocystis wilt of ʻōhiʻa include rapid browning of affected tree crowns. (Photo by JB Friday)

Brown crown

Brown crown

Seeing the crown of a healthy tree turn brown within days to weeks is a typical symptom of ROD. (Photo by JB Friday)

Dark vertical stains in sapwood: ROD

Dark vertical stains in sapwood: ROD

Bark slash of an ʻōhiʻa tree showing tangential view of dark staining of sapwood from Ceratocystis infection. (Photo by L. Keith)

Dark stains under bark of infected tree

Dark stains under bark of infected tree

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)

Dark starburst stain in cross section: ROD

Dark starburst stain in cross section: ROD

Cross section of an infected ʻōhiʻa showing the characteristic dark staining of sapwood caused by Ceratocystis. (Photo by JB Friday)

Stained cross sectional pieces: ROD

Stained cross sectional pieces: ROD

This photo shows some of the variety in staining patterns of a ROD infected tree. (Photo by JB Friday)

Spotted crossectional stain: not ROD

Spotted crossectional stain: not ROD

Small dark spots scattered throughout the sapwood and heartwood of an ohia trunk are NOT typical of ROD fungus. (Photo by B. Luiz)

Light brown starburst pattern: not ROD

Light brown starburst pattern: not ROD

The light brown starburst pattern of this crosssection of ohia wood is NOT typical of trees infected with ROD. (Photo by B. Luiz)

Dark curvy pattern: not ROD

Dark curvy pattern: not ROD

The meandering, curvy dark stains in these crosssectional pieces of ohia wood are NOT typical of ROD infected trees. (Photo by JB Friday)