Seed source variation in tracheid length and specific gravity of five-year-old jack pine seedlings

Abstract

Jack pine (Pinus banksiana Lamb.) is widely used in Lake States reforestation because of its ability to make rapid early growth on relatively infertile sites. It is a major pulpwood producing species. Since the quality and yield of pulp are so strongly influenced by tracheid length and specific gravity, information on genetic variation in these characteristics would be useful in planning future jack pine tree improvement programs. This study was done to: 1) measure tracheid length and specific gravity variation by seed source in the juvenile wood of jack pine; and 2) develop a basis for comparing wood quality variation by seed source in young seedlings with that in mature trees.

Parent Publication

• Proceedings of the Eighth Lake States Forest Tree Improvement conference, Sept. 12-13, 1967.

Citation

King, James P. 1968. Seed source variation in tracheid length and specific gravity of five-year-old jack pine seedlings. In: Proceedings of the Eighth Lake States Forest Tree Improvement Conference; Res. Pap. NC-23. St. Paul, MN: U.S. Forest Service, North Central Forest Experiment Station. 5-9