Juvenile wood
Genetic variation and genotype by environment interactions of juvenile wood chemical properties in Pinus taeda L.
... transition wood because phenotypic variation was higher for transition wood than juvenile ...Transition wood her- itabilities may be more meaningful than those of juvenile wood, ...
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Quantitative and molecular genetics of juvenile wood traits in radiata and slash/Caribbean pines.
... for juvenile wood ...in wood properties, or (b) undertaking a detailed examination of heart-in boards from a production sawmill to define the characteristics of boards that achieve acceptable grade ...
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Genetic Variation and Parameter Estimation of Juvenile Wood Properties in a Diallel Loblolly Pine (Pinus taeda L.) Population.
... concerning wood properties of loblolly pine have concentrated on the genetic control of wood ...of juvenile wood can be improved through tree ...from juvenile to mature wood for ...
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Date of earlywood latewood transition in provenances and families of loblolly pine, and its relationship to growth phenology and juvenile wood specific gravity
... lower wood specific gravity than northern and inland ...gravity. Juvenile wood specific gravity had a weak (nonsignificant) negative correlation with annual height increment and a stronger negative ...
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Chemical and Structural Characterizations of Juvenile Wood, Mature Wood, and Compression Wood of Loblolly Pine (Pinus taeda)
... compression wood. As a result, regions of compression wood are often observed surrounding the pith long after the trunk has resumed a vertical orientation ...compression wood in the tree can ...
213
Analysis of coniferous species to identify and distinguish juvenile and mature wood
... the juvenile wood zone in tree stems as well as enhancing wood ...the juvenile zone should be provided by the ap- plication of natural regeneration, although in the case of larch it is not ...
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Genetic variation of Norway spruce clones regarding their natural durability, physical and chemical properties
... that juvenile wood after degradation by Coniophora puteana and Trametes ver- sicolor revealed the mean weight loss of ...the juvenile wood of black locust had a lower natural durability than ...
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Density of juvenile and mature wood of selected coniferous species
... juvenile wood can never be defi ned exactly as its properties depend on a high number of factors and their development in the radial direction can vary signifi ...of wood density is only ...
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Microfibril angle and density of hinoki (Chamaecyparis obtusa) trees in 15 half-sib families in a progeny test stand in Kyushu, Japan
... A comparison of juvenile wood and mature wood (Figs. 1, 2) shows some difference in radial variation pat- terns of MFA and density between families. In samples, MFA was larger in rings near the pith ...
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Radial variations in the anatomical characteristics and density of the wood of Acacia mangium of five different provenances in Indonesia
... measure wood density, we scanned the negative X-ray films in the radial direction using DENDRO2003 X-ray analysis instrumentation (Walesch Electronics, Effretikon, Switzer- land) and collected density data at ...
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The relation between the microscopic structure and the wood density of European beech (Fagus sylvatica L )
... Juvenile wood occurs in both softwoods and hardwoods as a result of the normal physiological ...process. Juvenile wood is generally defined as a zone around the pith, where its characteristics ...
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Application of the fractometer for crushing strength: juvenile-mature wood demarcation in Taiwania (Taiwania cryptomerioids)
... from juvenile to mature wood is set at a point where the variance component attributable to the effect of dis- tance from pith position becomes 0% (Tables 1 and ...the juvenile wood region of ...
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Tree heights in the ring-formed years affect microfibril angles in the rings from juvenile to mature wood at breast height in hinoki trees (Chamaecyparis obtusa)
... nile wood properties by silvicultural ...of wood properties among hinoki half-sib families (plus trees selected as trees with various superior traits, ...on wood properties ...on wood proper- ...
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Delimitation of juvenile and mature woods of pinus caribaea var hondurensis (sénécl ) w h barrett & golfari as a function of the length of the tracheids
... a juvenile wood zone near the pith, which presents, among other characteristics, short tracheids, while, near to the bark, in turn, this gradient decreases due to plant aging (Trevisan et al, ...the ...
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Growth and wood quality of sugi (Cryptomeria japonica) planted in Akita prefecture (II). Juvenile/mature wood determination of aged trees
... separating juvenile and mature ...between juvenile and mature wood, and in this research the demarcation that was based on TL showed almost the same points at all heights (Table ...demarcating ...
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Effects of early intensive silviculture on wood properties of loblolly pine
... to juvenile wood from that corresponding to outer wood, the effects of the treatments were better visualized analyzing the proportion of juvenile wood in ...of juvenile ...
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Biomechanical performances of trees in the phase of active reorientation
... of juvenile wood and viscoelasticity of wood ...reorientation, wood tissues close to the pith are submitted to signifi cant levels of compressive ...of juvenile wood in earlier ...
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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
... late- wood tracheids. Early-wood tracheids are formed by cambium at the beginning of the growing ...in wood being con- ...in wood is mechanical (Horáček, 2003; Wagenführ, 1999; Bötsche and ...
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Relating Breast-Height Wood Properties to Whole-Stem Wood Properties in Loblolly Pine
... of wood that is considered juvenile has increased (Sykes et ...of juvenile wood has major economic and wood quality ...of juvenile wood are poor compared to mature ...
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The influence of selected factors on energy requirements for plain milling of beech wood
... The experiments were conducted in operating conditions of the workshops and laboratories of Cyech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences, Department of Wood Processing. ...
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