Abstract
The paper presents the results of an analysis of morphometric characteristics of Norway spruce seedlings in the progeny tests in Bosnia and Herzegovina, localities: Drinic and Srebrenica. Progeny tests were established by using seedlings originating from six natural populations from Bosnia and Herzegovina. Seedling height, root collar and whorl distance from the ground, which represents seedling heights in 2011, 2012 and 2013 were measured. The results indicate statistically significant differences between the analyzed characteristics of the observed population. Especially interesting are the populations Potoci and Olovo, which showed the highest growth during the observed period in both progeny tests. The impact of the drought in 2013 can be seen in the progeny test in Srebrenica where height growth in 2013 was lower by more than 50% in comparison to 2012. The impact of drought in the progeny test in Drinic was not observed. The research provides the baseline when selecting the starting population, where the rapid growth of seedlings is set as the main goal.
Highlights
Spruce is one of the economically most important tree species in the forestry of the Republic of Srpska and Bosnia and Herzegovina
According to the data obtained from the national forest inventory, Norway spruce in Bosnia and Herzegovina has a share of about 21% (Matić et al, 1971), located in mixed and pure stands
The progeny tests in Drinić and Srebrenica represent the first step towards a clearer definition of the transfer of Norway spruce reproductive material in Bosnia and Herzegovina
Summary
Spruce is one of the economically most important tree species in the forestry of the Republic of Srpska and Bosnia and Herzegovina. It is characterized by good wood quality and it has a very wide use in industry. It is among the most important species that have found their place in the first European field experiments. Spruce is the backbone of the production of many industrial areas in Bosnia and Herzegovina, and is considered to be, the most important tree species to be managed, in addition to beech and fir. According to the data obtained from the national forest inventory, Norway spruce in Bosnia and Herzegovina has a share of about 21% (Matić et al, 1971), located in mixed and pure stands
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