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Protection of freshly felled timber against attack by bark boring insects
1981 - IRG/WP 1143
This report describes two experiments with the insecticide formulation Perigen, which contains the synthetic pyrethroid permethrin. At 0.2% w/v active ingredient individual logs were protected against bark boring beetles for 18 weeks. At 0.3% w/v active ingredients Perigen gave similar protection against insect attack to stacks of recently felled unbarked pine logs. This protection was at least eq...
J Dominik, P R Skidmore


Field test of wood preservatives with Nasutitermes rippertii RAMBUR in Cuba
1996 - IRG/WP 96-10181
A field test of wood preservatives was carried out with Nasutitermes rippertii RAMBUR in the vicinity of the Material Testing Centre „Alexander von Humboldt" in Santiago de las Vegas/ Havana (Cuba) for 12 and 24 months. Test specimens of Pinus sylvestris L., Picea abies (L.) Karst. and Fagus sylvatica L. with dimensions of 25 x 25 x 490 mm³ were arranged vertically or horizontally in a circle o...
W Unger