Laser photoacoustics: a novel method for ethylene determination in plant physiological studies.

E. Woltering, F. Harren, D.D. Bicanic

    Research output: Contribution to journalArticleAcademicpeer-review

    Abstract

    A CO2 laser-based photoacoustic method was used to determine the initial changes in ethylene production following emasculation of selected orchid species. The laser photoacoustic equipment consisted of a line tunable CO2 laser in conjunction with a single pass resonant acoustic cell. The minimum detection limit of the system for ethylene was 0.03 nl/1. In all tested orchid species an increase in ethylene production was measured within a few hours after emasculation. The time dependent pattern of ethylene production in Cymbidium and Oncidium showed an optimum. In Phalaenopsis and Epidendrum it was characterized by a gradual increase. The principle of photoacoustics and its application in plant physiological studies is discussed.
    Original languageEnglish
    Pages (from-to)201-208
    JournalActa Horticulturae
    Volume261
    DOIs
    Publication statusPublished - 1989

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