Allelopathic potential ofErica vagans, calluna vulgaris, andDaboecia cantabrica


In laboratory tests the allelopathic potential ofErica vagans, Calluna vulgaris, andDaboecia cantabrica was determined. Aqueous extracts of flowers ofD. cantabrica and leaves ofC. vulgaris inhibit root and hypocotyl growth of red clover, the former causing 51% inhibition of germination. Intact aerial parts of the Ericaceae here studied drastically reduced the growth of red clover and 100% inhibition of germination was caused by flowers ofD. cantabrica. Inhibition of aqueous extracts remains after Chromatographic separation, and two well-defined inhibition zones may be observed. Hydrosoluble organic compounds (phenol-like compounds) could probably be responsible for the inhibitions detected.

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Ballester, A., Vieitez, A.M. & Vieitez, E. Allelopathic potential ofErica vagans, calluna vulgaris, andDaboecia cantabrica . J Chem Ecol 8, 851–857 (1982).

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Key words

  • Allelopathy
  • Ericaceae
  • Erica vagans
  • Calluna vulgaris
  • Daboecia cantabrica
  • red clover inhibition