Biologia Plantarum

, Volume 46, Issue 1, pp 121–124 | Cite as

Volatile Monoterpenes from Prinsepia utilis L. Leaves Inhibit Stomatal Opening in Vicia faba L.

  • V.K. Rai
  • S.C. Gupta
  • B. Singh


Volatile essential oils from Prinsepia utilis L. have been shown to inhibit stomatal opening in Vicia faba L. epidermal peels as well as whole leaves as shown by measurement of pore width and stomatal conductance (gs). The stomatal closure was associated with inhibition of K+ influx in the guard cells. Gas chromatography/mass spectroscopy analysis of the steam distillate from P. utilis L. leaves showed the presence of over twenty compounds; of which thirteen compounds have been identified.

allelopathy stomatal conductance volatile essential oils 


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Copyright information

© Kluwer Academic Publishers 2003

Authors and Affiliations

  • V.K. Rai
    • 1
  • S.C. Gupta
    • 1
  • B. Singh
    • 2
  1. 1.Department of BiosciencesH.P. UniversityShimla-India
  2. 2.Institute of Himalayan Bioresource TechnologyPalampur-India

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