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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Phytotoxicity of Major Constituents of the Volatile Oil from Leaves of Artemisia scoparia Waldst. & Kit.

  • Harminder Pal Singh , Shalinder Kaur , Sunil Mittal , Daizy R. Batish EMAIL logo and Ravinder K. Kohli

The phytotoxicity of the three major monoterpene constituents of the essential oil from leaves of Artemisia scoparia Waldst. & Kit. (redstem wormwood) was investigated. GC/GCMS analysis revealed that the essential oil (yield 0.84%) is a complex mixture containing 19 monoterpenes, 7 sesquiterpenes and 15 other compounds - aliphatic alcohols, ketones, aromatic hydrocarbons and esters. The three major monoterpenes were β-myrcene (30.2%), p-cymene (12.8%) and dl-limonene (12.4%). The essential oil and the three monoterpenes exhibited phytotoxicity and reduced germination, seedling growth, chlorophyll content and percent respiration of Avena sativa and Triticum aestivum in a dose-response manner. The inhibitory effect of monoterpenes was comparatively smaller than of the crude essential oil and β-myrcene was most toxic followed by p-cymene, whereas limonene was least toxic. The study suggests that A. scoparia oil and β-myrcene can be explored for phytotoxicity against weeds.

Received: 2008-3-6
Revised: 2008-4-7
Published Online: 2014-6-2
Published in Print: 2008-10-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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