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Critical temperatures for xylogenesis in conifers of cold climates
Aim To identify temperatures at which cell division and differentiation are active in order to verify the existence of a common critical temperature determining growth in conifers of cold climates.… Expand
Effect of local heating and cooling on cambial activity and cell differentiation in the stem of Norway spruce (Picea abies).
- J. Gričar, M. Zupančič, K. Čufar, G. Koch, U. Schmitt, P. Oven
- Biology, Medicine
- Annals of botany
- 1 June 2006
Heating and cooling can influence cambial activity and cell differentiation in Norway spruce, however, at the ultrastructural and topochemical levels, no changes were observed in the pattern of secondary cell-wall formation and lignification or in lignin structure, respectively. Expand
Differentiation of terminal latewood tracheids in silver fir trees during autumn.
In trees with broader annual rings, the final steps of differentiation of the youngest latewood tracheids near the cambium still continued during autumn, but were finished prior to winter, whereas in trees with wider annual rings these processes still continued. Expand
Regular cambial activity and xylem and phloem formation in locally heated and cooled stem portions of Norway spruce
Continuously elevated temperatures increased the rate of cell division in the first part of the growing season, but did not significantly prolong cambial activity at the end of the vegetation period in the heated tree. Expand
Morphological, thermal, and structural aspects of dried and redispersed nanofibrillated cellulose (NFC)
Abstract The effects of various drying techniques, such as air, oven, freeze, and spray drying, on the morphological, thermal, and structural behaviors of two different nanofibrillated cellulose… Expand
Wood formation in urban Norway maple trees studied by the micro-coring method
Intra-annual wood formation in healthy and affected Norway maple (Acer platanoides L.) street trees in the City of Ljubljana, Slovenia, was studied by the micro-coring method. Samples were taken with… Expand
The climate sensitivity of Norway spruce [Picea abies (L.) Karst.] in the southeastern European Alps
To investigate the potential of Norway spruce (Picea abies L. Karst) as a palaeoclimate archive in the southeastern European Alps, tree ring chronologies were developed from trees growing at two… Expand
Wound Response of the Bark in Healthy and Declining Silver Firs (Abies Alba)
The bark response to mechanical wounding was essentially the same in healthy and declining trees and progressive suberisation resulted in the formation of a 'ligno-suberised zone', which fused with the phellem of the pre-existing periderm. Expand
A single point NMR method for an instantaneous determination of the moisture content of wood
Abstract Nuclear magnetic resonance (NMR) enables an instantaneous determination of the proton density in liquids and is thus convenient for determining the moisture content (MC) of wood. We… Expand
Influence of Pleurotus ostreatus inoculation on wood degradation and fungal colonization.
The results indicate that the naturally occurring processes of wood degradation are as efficient as those occurring in sites inoculated with P. ostreatus. Expand