Aspen Bibliography

Clonal variation in foliar chemistry of quaking aspen (Populus tremuloides Michx.)

Document Type

Article

Journal/Book Title/Conference

Biochemical Systematics and Ecology

Volume

24

Issue

5

First Page

357

Last Page

364

Publication Date

1996

Abstract

We surveyed foliar morphological and chemical variation in 31 clones of Populus tremuloides in northern lower Michigan. Significant variation among clones was exhibited for leaf weight, specific leaf area, nitrogen, starch, phenolic glycosides (salicortin and tremulacin) and condensed tannins. Variation among clones with respect to nitrogen, starch, salicortin, tremulacin and condensed tannin concentrations was 1.7-, 8.0-, 10.3-, 5.9-, and 2.1-fold, respectively. Interactions between aspen and phytophagous insects in this region are likely to be influenced by substantial interclonal variation in secondary chemistry.

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