Early Results of a White Ash Provenance Test in Central Alabama
A provenance test of white ash (Fraxinus americana L.) seedlings was established during January 1976 in the Tuskegee National Forest in Alabama. The seedlings were representative of the southern portion of the species' range. At the end of the third growing season, family survival ranged from 84 to 100 percent. Overall survival averaged 97 percent. Provenances and families within provenances differed in height after two and three years in the field. The family component of variation is increasing in proportion with age. The southernmost origins of East Baton Rouge, Louisiana (3.26 m) and Hardin, Texas (2.98 m) had the tallest average heights. The East Baton Rouge and Hardin sources are assumed to be tetraploid (2N = 92). There seems to be both a north-south relationship and a ploidy-level relationship to the height-growth pattern. Seedlings from the southernmost sources should perform satisfactorily in south and central Alabama.
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Document Type: Journal Article
Affiliations: Professor, Research Data Analysis, Auburn University, Alabama Agricultural Experiment Station, Auburn
Publication date: 1981-05-01
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