Aspen Bibliography

Document Type

Conference

Journal/Book Title/Conference

Proceedings 29th Northeastern Forest Tree Improvement Conference

Issue

29

Publisher

Division of Forestry, West Virginia University

First Page

5

Last Page

22

Publication Date

1985

Abstract

Anaspen progeny test consisting of 206 families of trembling aspen (Populus tremuloides), bigtooth apsen (P. grandidentata), and their hybrids (P. Xsmithii and P. Xrouleauiana) was planted on five Michigan sites and evaluated after two growing seasons. Growth performance of trembling aspen families when compared with all aspen taxa was above average and increased with the latitude of the plantation site. Backcrosses of trembling aspen males to white poplar-bigtooth aspen (P. Xrouleauiana) females produced the fastest growing families at all Lower Peninsula plantations. Most hybrid aspen (P. Xsmithii) families had growth rates below the planation means. Bigtooth aspen families had poor survival and growth at all plantations. Analyses of two nested mating designs showed that general combining ability (additive genetic variance) for height and diameter growth was present in the aspen population. Genotype x environment interaction was small at the family level.

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