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The programme of testing the progeny of permanent seed stands, parent trees, seed orchards and seedling seed orchards that has been run in Poland enables to determine the genetic value and silvicultural quality of the progeny of components of primary forest material. A better knowledge of population variability and adaptability to particular environmental conditions also allows for the updating and...
In forestry management, artificially produced planting material is mainly used for renewal the tree population. Seedlings are cultivated in two systems: in the ground (the bare−root seedlings) and in controlled conditions (container seedlings). The aim of the study was to analyse the microsatellite markers of nuclear and chloroplast DNA, in terms of the number and frequency of rare, private, low frequency...
The production of forest tree species in forest nurseries is performed via two main breeding systems: i) the traditional (conventional) way with the seedlings grown in soil, and ii) plants cultivated in the containers. The aim of the study was to assess the level of genetic variability in the populations of the mother stands and the progeny populations of Scots pine cultured with traditional way (in...
Considered to be the most natural of all other Polish stands Picea abies in Białowieża Forest has suffered severely of bark beetle damages for decades. In order to find out some historical events in native Norway spruce stands diversity at regional level, we carried out the study on polymorphism with DNA markers and performed Principal Coordinate Analysis (PCoA) on the basis of genetic distance matrix...
Two muscles, the m. gastrocnemius and m. iliofibularis, were excised from the left legs of six Red Neck (Struthio camelus massaicus) and six Blue Neck (Struthio camelus australis) ostriches and analysed for lipid and cholesterol content and fatty acid composition. Total lipid (1.43 g100 g) and cholesterol content (65.63 mg100 g) did not differ (p > 0.05) in any muscle between subspecies. Although...
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