INDUCING LIGHTWOOD FORMATION IN PINE TREES

A process for chemically inducing the deposn. of increased amts. of oleoresin in a living conifer comprises applying to a small prepared site on the trunk an aq. soln. of a substd. bipyridilium salt (I). Manual labour and costs are reduced; no deep incisions are made as the prior art; and significan...

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Hauptverfasser: WILLIAM JOHN PETERS, DONALD RAY ROBERTS, ERNEST ROGERS CREWS, ERNEST ROGERS CH, THADDEUS ADRIAN HARRINGTON, JUNIOR BROOMFIELD
Format: Patent
Sprache:eng
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Zusammenfassung:A process for chemically inducing the deposn. of increased amts. of oleoresin in a living conifer comprises applying to a small prepared site on the trunk an aq. soln. of a substd. bipyridilium salt (I). Manual labour and costs are reduced; no deep incisions are made as the prior art; and significant amts. of oleoresin are deposited in the sapwood of young trees.