Studies on European beech (Fagus sylvatica L
نویسندگان
چکیده
Colour parameters of European beech were measured using CIELab system. 103 logs from 87 trees in 9 sites were cut into boards to study the variations of wood colour parameters. Both site and tree effect on colour were observed. Patterns of red heartwood occurrence were defined. When excepting red heartwood there was still a highly significant effect of site and tree; differences remained after veneer processing. Axial variations were small, except very near the pith or in red heartwood, suggesting possible early selection at periphery under colour criteria. Red heartwood is darker, redder and more yellow than normal peripheral wood.
منابع مشابه
Growing evidence for the existence of glacial refugia of European beech (Fagus sylvatica L.) in the south-eastern Alps and north-western Dinaric Alps
Background and Purpose: It is widely accepted that south-European peninsulas were major refugial areas from where European beech, Fagus sylvatica L., spread to the rest of Europe in the Holocene. The aim of this paper is to review and evaluate all the available data and present different types of evidence, some of them new or overlooked until now, to support the hypothesis on the existence of g...
متن کاملImpact of elevated atmospheric O3 on the actinobacterial community structure and function in the rhizosphere of European beech (Fagus sylvatica L.)
Many bacteria belonging to the phylum of Actinobacteria are known as antagonists against phytpathogenic microbes. This study aimed to analyze the effect of ozone on the actinobacterial community of the rhizosphere of four years old European beech (Fagus sylvatica L.) trees during different time points of the vegetation period. Effects of ozone on the total community structure of Actinobacteria ...
متن کاملPHOTOSYNTHETIC RESPONSE OF YOUNG BEECH (Fagus Sylvatica L.) ON RESEARCH PLOTS IN DIFFERENT LIGHT CONDITIONS FOTOSINTETSKI ODZIV MLADIH STABALA BUKVE (Fagus sylvatica L.) NA ODABRANIM PLOHAMA U RAZLIČITIM SVJETLOSNIM UVJETIMA
In view of evident changes in the reaction of European beech (Fagus sylvatica L.) to environmental changes, five plots with young trees of the same age were established and studied on natural beech sites. Beech trees were equally distributed along the light gradient and were divided according to light conditions. The parameter used for evaluation of light conditions was the indirect site factor...
متن کاملLiving on the Edge: Contrasted Wood-Formation Dynamics in Fagus sylvatica and Pinus sylvestris under Mediterranean Conditions
Wood formation in European beech (Fagus sylvatica L.) and Scots pine (Pinus sylvestris L.) was intra-annually monitored to examine plastic responses of the xylem phenology according to altitude in one of the southernmost areas of their distribution range, i.e., in the Moncayo Natural Park, Spain. The monitoring was done from 2011 to 2013 at 1180 and 1580 m a.s.l., corresponding to the lower and...
متن کاملPhenols in Leaves and Bark of Fagus sylvatica as Determinants of Insect Occurrences
Beech forests play an important role in temperate and north Mediterranean ecosystems in Greece since they occupy infertile montane soils. In the last glacial maximum, Fagus sylvatica (beech) was confined to Southern Europe where it was dominant and in the last thousand years has expanded its range to dominate central Europe. We sampled four different beech forest types. We found 298 insect spec...
متن کاملDesiccation and Mortality Dynamics in Seedlings of Different European Beech (Fagus sylvatica L.) Populations under Extreme Drought Conditions
European beech (Fagus sylvatica L., hereafter beech), one of the major native tree species in Europe, is known to be drought sensitive. Thus, the identification of critical thresholds of drought impact intensity and duration are of high interest for assessing the adaptive potential of European beech to climate change in its native range. In a common garden experiment with one-year-old seedlings...
متن کامل