Picea abies L.
![Effects of pressure on the root systems of Norway spruce plants (Picea abies[L ] Karst )](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==)
Effects of pressure on the root systems of Norway spruce plants (Picea abies[L ] Karst )
... cording the growth of roots were evaluated by means of the computer-based image analysis program ImageTool. After the experiment terminated, control and experimental plants were taken out, separated and their root ...
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Variability in swelling of spruce (Picea abies [L ] Karst ) wood with the presence of compression wood
... We selected one sample spruce (Picea abies [L.] Karst.) tree in which the presence of reaction wood was presumed. The tree was selected in the Training Forest Enterprise Masarykův les at Křtiny – ...
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Structure and functions of the types of Norway spruce (Picea abies[L ] Karst ) roots
... ABSTRAKT: Příspěvek se zabývá stavbou kořenů u smrku ztepilého (Picea abies [L.] Karst.) od jejich vzrostných vrcholů až k patě kmene, tj. kořenů kotevních, ve vztahu k jejich měnící se funkci. ...
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Polyamines during somatic embryo development in Norway spruce (Picea abies [L ])
... ABSTRACT: Contents of free polyamines (putrescine, spermidine and spermine) were determined in different de- velopmental stages of Norway spruce (Picea abies [L.] Karst.) somatic embryos by means of ...
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The effect of liming on the mineral nutrition of the mountain Norway spruce (Picea abies L ) forest
... abies (L.) Karst. The mean slope of the plot is 13.5°, its exposure is SSE and mean altitude 908 m a.s.l. The age of trees was 28 years in 2005. The spruce stand is divided into two partial plots with ...
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Variability of spruce (Picea abies [L ] Karst ) compression strength with present reaction wood
... ABSTRACT: The aim of research was to find out the variability of spruce (Picea abies [L.]) Karst.) wood compression strength limits in the direction parallel to grain. The wood strength was examined ...
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Uptake and metabolism of 2,4-dichlorophenoxyacetic acid during induction of Norway spruce (Picea abies (L.) Karst.) somatic embryogenesis
... Uptake and metabolism of 2,4-dichlorophenoxyacetic acid (2,4-D) into zygotic embryos of Norway spruce (Picea abies (L.) Karst.) were studied on medium used for induction of somatic embryogenesis. The ...
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Characterization of variable EST SSR markers for Norway spruce (Picea abies L )
... of Picea abies ...Mountains. Picea abies is growing above 400-500 m and ascends close to 2000 m in the ...that Picea abies genetic differentiation among populations is rather low ...
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Results of a phenological study at a young Norway spruce (Picea abies/L./Karst)
... Druhová skladba dřevin 27letého smíšeného po- rostu: smrk ztepilý (Picea abies /L./ Karst.) zastou- pen z 60 %, buk lesní (Fagus sylvatica L.) z 30 %, mod- řín opadavý (Larix decidua Mill.) z ...
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Variability in density of spruce (Picea abies [L ] Karst ) wood with the presence of reaction wood
... erably narrower rings (with a high proportion of late-wood) compared to the rings in the juvenile wood area (Reck 2002; Merforth 2000; Palovič, Kamenický 1961; Trendelenburg 1939). The lowest density in the spruce wood ...
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Possible methods of Norway spruce (Picea abies[L ] Karst ) stem shape description
... Bookstein coordinates are simplified to stem shape diameters, for which tests of multidimensional normality, variance-covariance matrix homogeneity, equality of mean shape vectors and pri[r] ...
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Drought and aluminium as stress factors in Norway spruce Picea abies [L.]Karst) seedlings
... MAtErIAL AND MEtHODS Plant material and experimental design An experiment was conducted during the 2008 growing season, from August to September. Prior to the experiment, in April 2008 four-years-old P. abies ...
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Possibilities of influencing the rooting quality of Norway spruce (Picea abies [L ] Karst ) cuttings
... Exposure of cuttings in the crown In spite of some differences observed during the flushing of propagated cuttings and in bud formation the exposure of cuttings in the crown of parent tre[r] ...
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Effects of silver fir (Abies alba Mill.) on the humus forms in Norway spruce ( Picea abies (L.) H. Karst.) stands
... Paradoxically, much more attention was paid to the soil-forming role of grand fir (Abies grandis (Douglas ex D. Don) Lindley) with clearly site im- proving effects (Podrázský, Remeš 2010; Fulín et al. 2013; Fulín ...
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Microfibril angle of Norway spruce [Picea abies (L.) Karst.] compression wood: comparison of measuring techniques
... The average MFA of all the layers of the cell wall deter- mined by WAXS was previously compared with those ob- tained by other methods by several authors, 26-29 [r] ...
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Development and dynamics of mountain spruce (Picea abies [L ] Karsten) stand regeneration
... Spruce forests are typical of the Šumava Mts. (Sofron 1980). However, bark beetle disturbance has affected the majority of spruce stands at the upper elevations of Šumava National Park (NP) over the last two decades ...
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Evaluation of survival and growth of Picea abies (L.) H. Karst. and Picea obovata Ledeb. provenances in the north of Russia
... On calculation of the complex index based on three indices, the levelling of provenance profiles and ranks takes place; it reflects the complex impact of provenance zone/subzone, species and forms. As a result, the ...
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Testing of microbial additives in the rooting of Norway spruce (Picea abies [L ] Karst ) stem cuttings
... For the production of fungal inoculum in this experiment a few mycelial discs from the margin of fresh mycelial agar colonies cultured on Petri dishes were removed to 100 ml Erlenmeyer flasks filled with BAF liquid ...
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Effects of the position in a stem on the variability of tracheids in spruce (Picea abies /L./ Karst.) with the occurrence of reaction wood
... On the basis of the results obtained 3D models were created (for zones compression wood, opposite wood and site wood; models for radial dimension an early-wood tracheid and late-wood t[r] ...
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Phenotype features in juvenile populations of Picea abies and their growth
... The type differentiation of forms (phenotypes) of Norway spruce (Picea abies [L.] Karst.) mature trees has been used for a long time. It is based mainly on the appearance of tree crowns and branching ...
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