Aspen Bibliography

Document Type

Article

Journal/Book Title/Conference

Zeitschrift fur Naturforschung. Section-C, Biosciences

Volume

47

Issue

5-6

First Page

329

Last Page

334

Publication Date

1992

Creative Commons License

Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License
This work is licensed under a Creative Commons Attribution-Noncommercial-No Derivative Works 3.0 License.

Abstract

Bud and leaf exudates from Populus alba, P. balsam ifera, P. nigra and P. tremuloides were analyzed by gas chromatography/mass spectrometry and their components were identified. For three of the four species, P. alba, P. balsam ifera and P. nigra, the bud and leaf exudates were similar within each species, though there were marked differences between species. Bud and leaf exudates of P. alba contained only hydrocarbons, those of P. balsam ifera contained primarily dihydrochalcones and those of P. nigra contained primarily caffeic acid esters. Bud and leaf exudates of P. tremuloides were different both from each other and from those of the other three species. Bud exudate of P. tremuloides contained a range of phenolic compounds which were largely lacking from the leaf exudate.

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