Aspen Bibliography

Shoot and root development and dry matter partitioning in Populus grandidentata, P. tremuloides, and P. X smithii

Document Type

Article

Journal/Book Title/Conference

Canadian Journal of Forest Research

Volume

20

Issue

6

First Page

849

Last Page

852

Publication Date

1990

Abstract

Shoot and root development and dry matter partitioning in Populusgrandidentata Michaux, Populustremuloides Michaux, and their hybrid Populus × smithii Boivin were studied in hydroponic culture. Seedlings from intra- and inter-specific crosses having P. tremuloides as the maternal parent grew the tallest. Populustremuloides produced significantly fewer secondary roots than did P. grandidentata and P. × smithii. Rates of root growth in both species and the hybrid were similar after 5 weeks. Populustremuloides had a stem to root ratio twice that of P. grandidentata, whereas the hybrids had ratios that were more like those of their maternal parents.

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