Abstract
Within-tree variation of four handsheet properties (burst index, sheet density, STFI short-span compression strength (STFI) and tensile index) was mapped for loblolly pine trees aged 13 and 22 years using NIR predicted handsheet property data (representing an average of 18 trees for each age). All within-tree maps were similar demonstrating a radial decrease in handsheet properties at all heights, with sheet density and tensile index having the greatest within-tree variation. The corewood zone had the highest values for all properties, while the lowest values were observed in a region consistent with juvenile and transitional outerwood as defined by Burdon et al. (2004). The maps are also similar to, but the inverse of, maps reported in prior studies for density and tracheid coarseness and wall thickness. Relationships amongst the examined handsheet properties and wood and tracheid properties explains the overall similarities of the different maps. The maps provide a representation of within-tree variation of important paper properties at two different ages. An understanding of how these properties vary within loblolly pine trees can aid in better utilization of forest resources.
Funding statement: Support for this work was provided by the Georgia TIP3 program and is gratefully acknowledged.
Acknowledgments
The authors thank the UGA Wood Quality Consortium for collecting the loblolly pine samples and for sample preparation.
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Conflict of interest: The authors declare no conflict of interest.
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© 2021 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Chemical pulping
- Mapping variation of handsheet properties within loblolly pine trees
- A simplified kinetic model for modern cooking of aspen chips
- Bleaching
- Bleaching of bagasse-pulp using short TCF and ECF sequence
- Mechanical pulping
- Energy efficiency in mechanical pulping – definitions and considerations
- Paper technology
- Development of ash condensation performance of paper materials via saccharides and Nano HAP application
- Effects of calcium silicate synthesized in situ on Fiber loading and paper properties
- Production of fines from refined kraft pulp by fractionation with micro-perforated screens
- Dynamic-head space GC-MS analysis of volatile odorous compounds generated from unbleached and bleached pulps and effects on strength properties during ageing
- Composite paper from an agricultural waste of bagasse sugarcane and pineapple leaf fibre: a novel random and multilayer hybrid fibre reinforced composite paper
- Paper physics
- Phenomenological analysis of constrained in-plane compression of paperboard using micro-computed tomography Imaging
- Paper chemistry
- Preparation and characterization of tung oil-rosin-based polyester internal sizing agent
- Coating
- Research on brightening modification of molecular sieves coated fly ash based on alkaline melting hydrothermal method
- Application of modified cellulose nanofibrils as coating suspension on recycled paper using size press
- Chemical technology/modifications
- Novel calcium carbonate filler for cellulose industry
Articles in the same Issue
- Frontmatter
- Chemical pulping
- Mapping variation of handsheet properties within loblolly pine trees
- A simplified kinetic model for modern cooking of aspen chips
- Bleaching
- Bleaching of bagasse-pulp using short TCF and ECF sequence
- Mechanical pulping
- Energy efficiency in mechanical pulping – definitions and considerations
- Paper technology
- Development of ash condensation performance of paper materials via saccharides and Nano HAP application
- Effects of calcium silicate synthesized in situ on Fiber loading and paper properties
- Production of fines from refined kraft pulp by fractionation with micro-perforated screens
- Dynamic-head space GC-MS analysis of volatile odorous compounds generated from unbleached and bleached pulps and effects on strength properties during ageing
- Composite paper from an agricultural waste of bagasse sugarcane and pineapple leaf fibre: a novel random and multilayer hybrid fibre reinforced composite paper
- Paper physics
- Phenomenological analysis of constrained in-plane compression of paperboard using micro-computed tomography Imaging
- Paper chemistry
- Preparation and characterization of tung oil-rosin-based polyester internal sizing agent
- Coating
- Research on brightening modification of molecular sieves coated fly ash based on alkaline melting hydrothermal method
- Application of modified cellulose nanofibrils as coating suspension on recycled paper using size press
- Chemical technology/modifications
- Novel calcium carbonate filler for cellulose industry