Journal article
Herbicidal activity of cineole derivatives
Journal of Agricultural and Food Chemistry, Vol.58(18), pp.10147-10155
2010
Abstract
Essential oils and their constituents have potential as ecologically acceptable pesticides that may also have novel modes of action. In this work hydroxy and ester derivatives of the naturally occurring monoterpenoids 1,8-cineole 3, the main component in most eucalyptus oils, and 1,4-cineole 4 were prepared and their pre-emergence herbicidal activity against annual ryegrass (Lolium rigidum) and radish (Raphanus sativus var. Long Scarlet) investigated in laboratory-based bioassays. 1,8-Cineole, eucalyptus oil and all derivatives showed a dose-dependent herbicidal activity against annual ryegrass and radish with many of the derivatives showing improved herbicidal activity relative to 1,8-cineole and high-cineole eucalyptus oil. Increased activity of cineole ester derivatives compared to their associated hydroxy-cineole and carboxylic acid was not observed. No relationship between lipophilicity of the carboxylic acid portion of cineole ester derivatives and herbicidal activity was observed. The results indicate that these cineole derivatives could be environmentally acceptable herbicides.
Details
- Title
- Herbicidal activity of cineole derivatives
- Authors/Creators
- A.F.M. Barton (Author/Creator)B. Dell (Author/Creator)A.R. Knight (Author/Creator)
- Publication Details
- Journal of Agricultural and Food Chemistry, Vol.58(18), pp.10147-10155
- Publisher
- American Chemical Society
- Identifiers
- 991005545280007891
- Copyright
- © 2010 American Chemical Society
- Murdoch Affiliation
- Sustainable Ecosystems Research Institute; School of Chemical and Mathematical Science
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 3 Agriculture, Environment & Ecology
- 3.275 Crop Protection
- 3.275.1891 Allelopathy
- Web Of Science research areas
- Agriculture, Multidisciplinary
- Chemistry, Applied
- Food Science & Technology
- ESI research areas
- Agricultural Sciences