Dependence of Douglas-Fir mean diameter on geographic origin of Canadian provenances in seedling nursery conditions
2011
Popović, V., Institute of Forestry, Belgrade (Serbia) | Lavadinović, V., Institute of Forestry, Belgrade (Serbia)
Seed and seedling tests, performed with the aim of acquiring knowledge of the genetic potential of selected provenances, are generally one of the first trials in a complex system of comparative examinations to be conducted upon introduction of alien tree species. This paper presents the results of the investigation of the dependence of the mean diameter of 14 Canadian origin Douglas-Fir provenances, originating from 49 degrees 10 minutes to 51 degrees 35 minutes latitude, 115 degrees 20 minutes to 120 degrees 10 minutes longitude and the altitude of 488 to 1,070m, on the geographic origin. Understanding the variability of a seedling mean diameter is of the major importance for acquiring knowledge of genetic potential of selected provenances, which is one of the key parameters for introduction of Douglas-fir into relevant forest sites in Serbia.
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