Genetic improvement and evaluation of black cottonwood for short- rotation biomass production. Final report, 1987--1992

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Description

This project was initiated in 1978 to serve three objectives: (1) develop genetically improved poplar cultivars offering increased productivity under short-rotation culture; (2) identify the major components of productivity in poplar and determine ways in which they can be manipulated, genetically and culturally; and (3) engage in technology transfer to regional industry and agencies so as to make poplar culture in the Pacific Northwest economically feasible. The project is aimed at capturing natural variation in the native black cottonwood. Populus trichocarpa T & G, and enhancing it through selective breeding. Major emphasis has been placed on hybridization of black cottonwood ... continued below

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42 p.

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Stettler, R.F.; Hinckley, T.M.; Heilman, P.E. & Bradshaw, H.D. Jr. April 30, 1993.

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Description

This project was initiated in 1978 to serve three objectives: (1) develop genetically improved poplar cultivars offering increased productivity under short-rotation culture; (2) identify the major components of productivity in poplar and determine ways in which they can be manipulated, genetically and culturally; and (3) engage in technology transfer to regional industry and agencies so as to make poplar culture in the Pacific Northwest economically feasible. The project is aimed at capturing natural variation in the native black cottonwood. Populus trichocarpa T & G, and enhancing it through selective breeding. Major emphasis has been placed on hybridization of black cottonwood with P deltoides and P maximowiczii, more recently with p nigra. First-generation (F{sub 1}) hybrids have consistently outperformed black cottonwood by a factor of 1.5.-2. The high yields of woody biomass obtained from these clonally propagated hybrids, in rotations of 4-7 years, have fostered the establishment of large-scale plantations by the pulp and paper industry in the region. Physiological studies have helped to elucidate hybrid superiority and several of the underlying mechanisms.

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42 p.

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OSTI as DE96014274

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  • Other Information: PBD: 30 Apr 1993

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  • Other: DE96014274
  • Report No.: ORNL/Sub--83-43382/8
  • Grant Number: AC05-96OR22464
  • DOI: 10.2172/277085 | External Link
  • Office of Scientific & Technical Information Report Number: 277085
  • Archival Resource Key: ark:/67531/metadc672423

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  • April 30, 1993

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • May 2, 2016, 3:51 p.m.

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Stettler, R.F.; Hinckley, T.M.; Heilman, P.E. & Bradshaw, H.D. Jr. Genetic improvement and evaluation of black cottonwood for short- rotation biomass production. Final report, 1987--1992, report, April 30, 1993; Tennessee. (digital.library.unt.edu/ark:/67531/metadc672423/: accessed December 12, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.