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Title: Avoid Early Selection for Growth Rate in Cottonwood
Author: Cooper, D. T.; Ferguson, Robert B.;
Source: Proceedings Southeastern Forest Tree Improvement Conference 15:52-58
Publication Series: Miscellaneous Publication (MISC)
Description: A sample of 37 cottonwood clones from a selection program was compared with a sample of 40 random clones in a 14-year test at two sites near Stoneville, Mississippi. Throughout the test period, the select sample was slightly better in mean growth rate, but this difference decreased with age. Performance of ''blue tag" clones selected at age 5 and planted commercially was good. But a group of clones selected at age 14 showed from two to three times as much improvement in diameter and height as the group selected at age 5.
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Cooper, D. T.; Ferguson, Robert B. 1971. Avoid Early Selection for Growth Rate in Cottonwood. In: Proceedings Southeastern Forest Tree Improvement Conference 15:52-58.
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