Pacific Island Ecosystems Research Center
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Koa Wilt and DiebackPIERC Project Leader: Donald Gardner, Ph.D. |
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Objectives: Discover the cause of dieback Determine how disease is spread Determine whether disease agent is native or introduced Evaluate control options if warranted |
| Accomplishments: A fungus (Fusarium oxysporumf. sp. koae) found with the disease & shown pathogenic Studies to determine disease resistance, means of spread, etc., underway Several fungal isolates collected for comparison studies |
Significance: Koa (Acacia koa) is Hawaiian forests’ second most abundant native overstory tree Koa is culturally, ecologically & economically important Disease kills previously healthy trees of all ages |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://biology.usgs.gov/pierc/
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Page Last Modified: Friday, Dec 1, 2006
