How to Help
We all have a part to play in helping to prevent the spread of ROD
If you see an ʻōhiʻa tree whose entire crown or major limb has turned brown within a few days or weeks on neighboring islands, please contact your local Invasive Species Committee:
808-553-5236 ext. 6585 (),
Please include a photo and description in all email correspondence.
Avoid injurying ʻōhiʻa.
Don't move ʻōhiʻa wood or ʻōhiʻa parts.
Don't transport ʻōhiʻa inter-island.
Equipment used to cut an infected tree should be cleaned of all sawdust and debris and sprayed with 70% isopropyl or ethyl alcohol.
Clothing should be washed with hot water and detergent.
Wash the tires and undercarriage of your vehicle to remove all soil or mud.
Clean gear and tools, including shoes and clothes, before and after entering forests.
“We found that ʻōhiʻa seedlings planted into a forest heavily affected by ROD have a high probability of survival for the first year,” said Stephanie Yelenik, an ecologist with the USGS and lead author of the study.. “While that one-year survival of seedlings is great news, this species lives centuries and there's currently no treatment once the tree becomes infected. Because ʻōhiʻa grow slowly, a dead tree is a gap in the canopy for a long time, and one of Hawai‘i’s many quick-growing invaders can take over the gaps caused by dead trees.”...Yelenik cautioned that longer-term studies of ʻōhiʻa seedling survival in ROD-affected forests are still needed, but these early results demonstrate that active planting could successfully help maintain native ʻōhiʻa forests. Survival of ʻōhiʻa seedlings in ROD-affected forests is good news, but the author noted that “protecting ʻōhiʻa from infection remains the primary tool in the fight against ROD.” (8)