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    Author(s): Robert E. Burgan; Robert E. Nelson
    Date: 1972
    Source: General Technical Report PSW-3. Berkeley, CA: USDA Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p
    Publication Series: General Technical Report (GTR)
    PDF: View PDF  (6.0 MB)

    Description

    Thousands of acres of ohia lehua (Metrosidems collina) forests on the island of Hawaii have died, and tree death is progressing rapidly into healthy forests. Most of the losses are on State-owned lands. All of the "ohia decline" cannot be attributed to the same agent. Some of the earlier decline was attributed to frost and sulphur dioxide. But other factors, including possibly the shoestring root-rot (Armillaria mellea), are responsible for the current losses. Federal and State agencies are seeking to determine the causes of the decline and what control measures are feasible.

    Publication Notes

    • You may send email to psw_communications@fs.fed.us to request a hard copy of this publication.
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    • We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Burgan, Robert E.; Nelson, Robert E. 1972. Decline of Ohia Lehua Forests in Hawaii. General Technical Report PSW-3. Berkeley, CA: USDA Forest Service, Pacific Southwest Forest and Range Experiment Station. 4 p

    Keywords

    Hawaii, ohia decline, forest diseases, epidemics, Acacia koa: Metrosideros collina, Armillaria mellea

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