TIMBER PRESERVATIVES
Sir, —An interesting outline of the research work at the Plant Diseases Division, Auckland, was published in “The Press” on January 10. For their laborious work in testing smells, staining effects, costs, etc., and proving by thousands of small wooden blocks how poisonous certain compounds were to borer larvae, these scientists deserve our thanks. Such research is necessary, and perhaps more necessary than it ought to be. Probably not one species of the borer-resisting timbers fully withstands attack. A timber very subject to attack is the native white pine; but it remained sound for more than 50 years in a building riddled by the borer. Possibly the ground it was grown on and the sap condition at felling produced this result. Artificial preservatives are wanted; but the best results are produced from Nature’s own preservatives, namely, dormant sap and maturity.—Yours, etc.,
T ALF. G. HOLLAND. January 27, 1947.
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https://paperspast.natlib.govt.nz/newspapers/CHP19470128.2.96.2
Bibliographic details
Press, Volume LXXXIII, Issue 25094, 28 January 1947, Page 8
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150TIMBER PRESERVATIVES Press, Volume LXXXIII, Issue 25094, 28 January 1947, Page 8
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