Abstract
In Danish forestry the economically most important insect problems and consequently the most intensive use of chemical insecticides occur in the production of Christmas trees and decoration green (Kirkeby-Thomsen and Ravn, 1997; Ravn, 2000). Nordmann fir (Abies nordmanniana) and noble fir (Abies procera) are the dominant tree species in this production today. Abies nordmanniana and A. procera cover approximately 22,600 ha and 9,200 ha, respectively. A. nordmanniana is mostly used for Christmas trees, while A. procera is mostly used for decoration green. Other conifer species to be used for the same purposes are only grown on a negligible scale.
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Eilenberg, J., Nielsen, C., Harding, S., Vestergaard, S. (2006). BIOLOGICAL CONTROL OF SCARABS AND WEEVILS IN CHRISTMAS TREES AND GREENERY PLANTATIONS. In: EILENBERG, J., HOKKANEN, H. (eds) An Ecological and Societal Approach to Biological Control. Progress in Biological Control, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-4401-4_12
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DOI: https://doi.org/10.1007/978-1-4020-4401-4_12
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