Essential oils of Tunisian Pinus radiata D. Don, chemical composition and study of their herbicidal activity

Author:

Ismail Amri1,Habiba Kouki1,Yassine Mabrouk1,Mohsen Hanana2,Bassem Jamoussi3,Lamia Hamrouni4

Affiliation:

1. Laboratory of Biotechnology and Nuclear Technology, National Center of Nuclear Science and Technology (CNSTN), Sidi Thabet Technopark Ariana Tunisia

2. Plant Molecular Physiology Laboratory, Center of Biotechnology of Borj‐Cedria BP 901 2050 Hammam‐Lif Tunisia

3. Chemistry Laboratory, Higher Institute of Education and Continuous Training 43 Rue de la Libertelo 2019 Le Bardo Tunisia

4. Laboratory for Forest Ecology, National Institute for Research in Rural Engineering, Water and Forests BP 10 2080 Ariana Tunisia

Abstract

AbstractLittle is known about the phytotoxic effects of essential oils from Pine species, GC and GC/MS analysis of Pinus radiata D. Don essential oil obtained from needles, resulted in the identification of 49 components comprising 97.6 % of the oil totality. The composition was l dominated by monoterpene hydrocarbons (86.4 %) with β‐pinene (40.2 %), limonene (25.5 %) and α‐pinene (15.2 %) were the major compounds. On the herbicidal activity, the oil strongly inhibited seed germination and seedling growth of all tested weeds in a dose dependent manner with the effect being significantly more effective on dicots (Sinapis arvensis L. and Trifolium campestre Schreb) than monocots (Phalaris canariensis L.).

Publisher

Wiley

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