Download presentation
Presentation is loading. Please wait.
Published byNigel Elliott Modified over 9 years ago
1
Rethink & Discovery - III “Opening Doors to Innovation and Learning” -- “A Thought Leadership Program” – Gary Peter – Innovation Panel North Carolina State University Pulp & Paper Foundation Annual Meeting -- October 10, 2002 – Raleigh, North Carolina – NCSU P&P FOUNDATION
2
2 Program Overview Introductory Remarks -- Background & Program Overview – Kathy Buckman Davis Keynote – Richard Phillips Panel Session 1: Innovation Pathways or Dead ends? – Ben Thorp Innovation Pathways or Dead ends? – Ben Thorp Panel Session 2: Learning Doorways or Roadblocks? – Mike Kocurek Learning Doorways or Roadblocks? – Mike Kocurek Summary & Wrap-up – Jim McNutt Adjourn
3
Trends in Tree Genetics -- Coevolutionary Innovations in Raw Materials, Pulp and Paper Manufacturing Methods Gary Peter Research Faculty, CPBIS & Associate Professor, School of Forest Resources and Conservation University of Florida University of Florida gfpeter@ufl.edu
4
4 Industry Innovations Historical – Adapted processing technologies to fit natural raw materials Adapted processing technologies to fit natural raw materials Current – Wood supply altered to better fit current processing technologies Wood supply altered to better fit current processing technologies Future Wood supply and processing technologies altered in concert Wood supply and processing technologies altered in concert
5
5 Co evolution of Raw Materials & Processing Methods: Low Lignin Trees Positive Impacts -- Reduced cost of pulp production and improved pulp quality Reduced cost of pulp production and improved pulp quality Negative Impacts – Reduced ability of mill to supply its own energy needs Reduced ability of mill to supply its own energy needs
6
6 Low Lignin Trees & Energy Generation Technologies on -- Kraft Linerboard Costs CURRENT Recovery Boiler Linerboard cost optimum closer to 20% than 15% Linerboard cost optimum closer to 20% than 15% Weighted pulp yield for 20% lignin 68% Weighted pulp yield for 20% lignin 68%FUTURE Black Liquor Gasification Linerboard cost optimum closer to 12-15% Linerboard cost optimum closer to 12-15% Weighted pulp yield for 15% lignin 75% Weighted pulp yield for 15% lignin 75%
7
7 Tree Selections Forest Tree Improvement Cycles Novel Traits Segregating Family BREEDINGBREEDING GENETIC ENGINEERING Elite Tree CLONAL FORESTRY ASEXUAL PROPAGATION
8
8 Tree Selections Breeding Segregating Family Genetic & Physical Mapping Phenotyping Molecula r Markers ControlledCrosses Clonal Selection TOOLS APPROACHES Hybrids
9
9 Preferred Outcrossing No inbreds No inbreds Oldest pedigrees three generations Quantitative traits Combinations of multiple genes/alleles Combinations of multiple genes/alleles Asexual capture & propagation Distribution of Individuals # Genotypes Phenotype 5%
10
10 Clonal Seedling Production -- Commercial Implementation ASEXUAL PROPAGATION 1 ELITE TREE 10 5 -10 6 ELITETREES ROOTEDCUTTINGS SOMATICEMBRYOGENESIS Genotype 1 Genotype 2
11
11 Genetic Engineering Novel Traits Elite Tree Gene Discovery Genomics Genomics Gene Regulatory Elements DNA Transfer Selection of Transformed Cells Plant Regeneration Over & Under Expression TOOLS APPROACHES Introduction of Novel genes
12
12 Key Barriers to – Improved Germplasm Cost effective clonal seedling production Rapid cycle breeding Controlled flowering Controlled flowering Early estimation of phenotypes Molecular markers Molecular markers Models for fiber properties Models for fiber properties Low cost, rapid, nondestructive methods for wood and fiber property estimation Societal acceptance of genetically engineered trees Sterility Sterility Gene discovery Knowledge of genes that when modified improve processing synergies and value of end products Knowledge of genes that when modified improve processing synergies and value of end products Knowledge of synergies between wood, fiber, paper and processing technologies
13
13 Alternative Co evolutionary Ideas for -- New Tree Materials New wall layer arrangements to affect need for refining and influence fiber-fiber bonding Thin S1 layer Thin S1 layer Altered arrangement of S1 layer Altered arrangement of S1 layer Super efficient wood and fungal pairs for ultra-rapid biopulping Novel biosynthesis of alternative polymers in secondary wall that promote bonding
Similar presentations
© 2025 SlidePlayer.com. Inc.
All rights reserved.