Results 51 to 60 of about 308,155 (151)

Late Quaternary history of North Eurasian Norway spruce ( Picea abies ) and Siberian spruce ( Picea obovata ) inferred from macrofossils, pollen and cytoplasmic DNA variation [PDF]

, 2015
Aim We used combined palaeobotanical and genetic data to assess whether Norway spruce (Picea abies) and Siberian spruce (Picea obovata), two major components of the Eurasian boreal forests, occupied separate glacial refugia, and to test previous ...
van der Knaap, Willem Oscar, Sperisen, Christoph, Tollefsrud, Mari Mette, Latałowa, Małgorzata, Brochmann, Christian   +4 more
core   +1 more source

Climatic adaptation of seed maturity in Scots pine and Norway spruce populations

Silva Fennica, 2001
Seed maturation of Scots pine and Norway spruce in a provenance experiment at Kortkeros (northern Russia) was examined by the X-ray method. Logarithmic relationships were found between seed anatomy development and long-term average thermal sum.
Fedorkov, Aleksei
doaj   +1 more source

Robust reference gene selection in Norway spruce: essential for real-time quantitative PCR across different tissue, stress and developmental conditions

Frontiers in Forests and Global Change
Accurate gene expression analysis in Norway spruce (Picea abies) under diverse stress conditions requires the identification of stable reference genes for normalization.
Vivek Vikram Singh, Aisha Naseer, Gothandapani Sellamuthu, Kanakachari Mogilicherla, Kanakachari Mogilicherla, Roman Gebauer, Amit Roy, Rastislav Jakuš, Rastislav Jakuš   +8 more
doaj   +1 more source

Seasonal flight patterns of the Spruce bark beetle (Ips typographus) in Sweden [PDF]

, 2012
The major bark beetle threat to Norway spruce (Picea abies (L.) Karst.) in Eurasia is the spruce bark beetle Ips typographus. Beetles cause damage after population build-up in defenseless trees.
Öhrn, Petter
core   +1 more source

Basic density and moisture content of coniferous branches and wood in Northern Norway

EPJ Web of Conferences, 2012
With the increasing demand for fuel the use of biomass from other tree components like branches and tops has increased rapidly. Norway has abundant raw material resources which can be use for bioenergy.
Vadla K., Dibdiakova J.
doaj   +1 more source

Differences in growth and wood properties between narrow and normal crowned types of Norway spruce grown at narrow spacing in Southern Finland

Silva Fennica, 2008
In recent years there has been increased interest in the so called narrow crowned Norway spruce (Picea abies f. pendula), which is a rare mutant of Norway spruce (Picea abies (L.) Karsten), as a suitable wood raw material source for pulp and paper ...
Zubizarreta Gerendiain, Ane, Peltola, Heli, Pulkkinen, Pertti, Ikonen, Veli-Pekka, Jaatinen, Raimo   +4 more
doaj   +1 more source

Effects of simultaneous ozone and nitrogen exposure on two tree species : Fagus sylvatica (L.) and Picea abies (L.) Karst. [PDF]

, 2005
Tropospheric ozone (O3) and nitrogen deposition (N) are considered as two of the most important anthropogenic pollution factors for temperate forests today.
Thomas, Vera F. D.
core   +1 more source

Dual RNA-seq analysis provides new insights into interactions between Norway spruce and necrotrophic pathogen Heterobasidion annosum s.l.

BMC Plant Biology, 2019
Background Root and butt rot of conifer trees caused by fungi belonging to the Heterobasidion annosum species complex is one of the most economically important fungal diseases in commercial conifer plantations throughout the Northern hemisphere.
Andriy Kovalchuk, Zhen Zeng, Rajendra P. Ghimire, Minna Kivimäenpää, Tommaso Raffaello, Mengxia Liu, Mukrimin Mukrimin, Risto Kasanen, Hui Sun, Riitta Julkunen-Tiitto, Jarmo K. Holopainen, Fred O. Asiegbu   +11 more
doaj   +1 more source

Decomposition of stump and root systems of Norway spruce in Sweden [PDF]

, 2009
The demand for quantifying the biomass of stumps and roots and the carbon stored therein is related to aspects of biodiversity, site productivity, atmospheric carbon cycling issues, and the demand for bioenergy.
Melin, Ylva, Petersson, Hans, Nordfjell, Tomas   +2 more
core   +2 more sources

Wet storage of roundwood [PDF]

, 2004
Wet storage (sprinkling) of wood offers valuable protection against drying out and biological attack, but at the same time there are disadvantages to be considered.
Jonsson, Maria
core   +1 more source