FOERFARANDE FOER BEKAEMPNING AV DEN SEXTANDADE GRANBARKBORREN, PITYOGENES CHALCOGRAPHUS, GENOM APPLICERING AV EN INHIBITORISKT AKTIV MAENGD AV (+) OCH/ELLER (-) -VERBENON PAA GRAN

摘要

PCT No. PCT/SE90/00074 Sec. 371 Date Sep. 10, 1991 Sec. 102(e) Date Sep. 10, 1991 PCT Filed Feb. 6, 1990 PCT Pub. No. WO90/09104 PCT Pub. Date Aug. 23, 1990.The present invention relates to a method for inhibiting the six toothed spruce bark beetle Pityogenes chalcographus, by preventing aggregation and/or infestation of spruce, whereby one applies an inhibitory active amount of verbenone on spruce.