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    Author(s): Frederick GreenRachel A. ArangoStan T. Lebow
    Date: 2010
    Source: Proceedings, one hundred sixth annual meeting of the American Wood Protection Association ... Savannah, Georgia, May 23-25, 2010: volume 106. Birmingham, Ala. : American Wood Protection Association, c2010: p. 192-196.
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (314.37 KB)

    Description

    Field trials were designed to evaluate the ability of the experimental wood preservative N’N-naphthaloylhydroxylamine (NHA) to inhibit fungal decay and termite damage at the USDA Harrison Experimental Forest (HEF) in Saucier, MS. Twenty replicate 19 x 19 x 457 mm (0.75 x 0.75 x 18 in.) southern yellow pine stakes and 10 replicate 19 x 19 x 76 mm (0.75 x 0.75 x 3 in.) blocks were pressure treated with three concentrations of aqueous NHA (0.f1, 0.5, and 1%). One percent CCA-C served as positive control. The smaller specimens were designed to favor termite attack by inserting the test specimen into untreated 38 x 89 mm (1.5 x 3.5 in.) pine feeder stakes slightly above the bround line. Feeder stakes were destroyed or dismantled after 5 years and the small blocks were rated visually. The longer stakes were evaluated annually for the first five years and then every other year until the eighth year. The standard 18” NHA-treated stakes kept pace with the CCA-treated stakes for the first five years and then rapidly decayed. The smaller specimens, after 5 years, showed similar results. Untreated controls and 0.1% NHA-treated blocks failed, while 1% NHA-and CCA-treated blocks were protected against termite feeding. The calcium precipitating agent NHA, has modest capacity to prevent fungal and termite damage, but the protective effect diminishes after five years in ground contact.

    Publication Notes

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    Citation

    Green, Frederick; Arango, Rachel A.; Lebow, Stan T. 2010. Field testing of the experimental wood preservative N'N-naphtaloylhydroxylamine: five and eight years results. In: Proceedings, one hundred sixth annual meeting of the American Wood Protection Association, Savannah, GA, 2010 May 23-25: vol. 106. Birmingham, Al: American Wood Protection Association, c2010: 192-196.

    Keywords

    Termites, Mississippi, termite control, insecticides, fungicides, wood preservatives, wood deterioration, biodegradation, wood-decaying fungi, preserved wood, copper, Southern pines, calcium, N'N-naphtaloylhydroxylamine, treated wood, preservative treated wood, durability, CCA, preservatives, chromated copper arsenate, stakes, preservation, wood decomposition, field tests, stake tests, stake decay, biocides, NHA, decay fungi, decay resistance, fungicidal properties, southern yellow pine, preservation, wood decay, exposure tests, subterranean termites, fungal decay, stake test

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