Ecological components of Douglas-fir (Pseudotsuga menziesii/ Mirb./ Franco) variability in provenance tests in Serbia. Doctoral thesis | Ekološke komponente varijabilnosti duglazije (Pseudotsuga menziesii/ Mirb./ Franco) u provenijeničnim ogledima u Srbiji. Doktorska disertacija
2008
Lavadinović, V.
In Douglas-fir plantations in Serbia, numerous researches have been undertaken in various spheres of forestry. However, the interaction between the genetic potential of introduced provenances and the ecological characteristic of the locations at which the plantations are established has not been sufficiently researched to date. For this reason, the aim of this dissertation is to study the interaction between the genetic potential of the introduced provenances and the environmental conditions at the provenance test sites, aiming at the more reliable selection of forest-economic works on the establishment, silviculture, tending and utilization of Douglas-fir plantations in two locations. Production plans were from the seed originated from North America. The research included comparative analyses of provenance variability of several quantitative and qualitative characters: trees, needles, macroelements, essential oil and the main physical and mechanical properties of felled stem wood. The fact that the provenance origin is known and that the ecological parameters of the provenance test sites are researched makes the study result applicable in future establishment of special-purpose Douglas-fir plantation for the production of good-quality wood. By different silvicultural measures, it is possible to control and direct the dynamics of tree increment in artificially established populations, which is the base for the production of raw materials suitable for both wood processing industry and end users of wood products.
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