Northern Research Station

Title: Survival, growth, and target canker infection of black walnut families 15 years after establishment in West Virginia

Author: Schuler, Thomas M.

Date: 1993

Source: Res. Pap. NE-674. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p.

Station ID: RP-NE-674

Description: The survival, growth, and rate of target canker infection of 34 black walnut (Juglans nigra L.) families were evaluated 15 years after establishment in north-central West Virginia. The progenies originated at locations in Pennsylvania, West Virginia, Tennessee, and North Carolina. There were significant differences between families in survival, incidence of target canker infection, total height, and diameter at breast height. The North Carolina and Tennessee sources were less suitable for the growing conditions of the test site, local and slightly more northern sources seem more suitable. Near the northern extremity of the range of black walnut, maintaining a viable native population of this species and using local seed sources in artificial regeneration activities are recommended.

Keywords: Juglans nigra; artificial regeneration; progeny test; seed sources

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Citation

Schuler, Thomas M.  1993.  Survival, growth, and target canker infection of black walnut families 15 years after establishment in West Virginia.   Res. Pap. NE-674. Radnor, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 8 p..