Southern Research Station

Title: Ten Years' Growth of Pruned and Unpruned Cottonwood Planted at 40- by 40-Foot Spacing

Author: Krinard, Roger M.

Date: 1985

Source: Res. Note SO-316. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 5 p.

Station ID: RN-SO-316

Description: Diameters at age 10 of cottonwood (Populus deltoides Bartr. ex Marsh.) select clone Stoneville 66 planted at 40- by 40-foot spacing varied from 13.4 to 16.4 inches depending on height of pruning. Pruning treatments, applied from the 2nd through 8th years, were (1) unpruned, (2) pruned to a third of height yearly, (3) pruned to half of height yearly, and (4) pruned to 17 feet when d.b.h. >8.5 inches. Total tree heights did not differ among treatments and averaged 94 feet.

Keywords: Populus deltoides, pruning

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Citation

Krinard, Roger M.  1985.  Ten Years' Growth of Pruned and Unpruned Cottonwood Planted at 40- by 40-Foot Spacing.   Res. Note SO-316. New Orleans, LA: U.S. Department of Agriculture, Forest Service, Southern Forest Experiment Station. 5 p.