Identification and Quantitative Analysis of the Volatile Substances Emitted by Maturing Cotton in the Field

  • Thompson A
  • Baker D
  • Gueldner R
  • et al.
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Abstract

When atmosphere from cotton plants (Gossypium hirsutum L., var. Deltapine Smoothleaf) was condensed by passing it over the expansion coil of an air conditioner and three 1-hour collections per day (early morning, noon, and late afternoon) were made, the total essential oils were found to consist of 50 to 60% beta-bisabolol (I(k) 1660) and gamma-bisabolene (I(k) 1550) and 30 to 40% geraniol (I(k) 1250), myrtenal (I(k) 1328), nerolidol (I(k) 1520), and beta-caryophyllene oxide (I(k) 1590). As the plant matured, trans-2-hexanol was produced in concentrations of 7 to 27%. Before fruiting, beta-bisabolol made up as much as 60% of the total essential oil transpired by the plants, and as the concentration of beta-bisabolol increased, that of gamma-bisabolene decreased.

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Thompson, A. C., Baker, D. N., Gueldner, R. C., & Hedin, P. A. (1971). Identification and Quantitative Analysis of the Volatile Substances Emitted by Maturing Cotton in the Field. Plant Physiology, 48(1), 50–52. https://doi.org/10.1104/pp.48.1.50

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