A Potent Phytotoxic Substance in Aglaia odorata Lour.

Hisashi Kato-Noguchi, Masahiko Suzuki, Kazutaka Noguchi, Osamu Ohno, Kiyotake Suenaga, Chamroon Laosinwattana

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Aglaia odorata Lour. (Meliaceae) was found to have very strong allelopathic activity and a bioherbicide PORGANIC was developed from its leaf extracts. However, the phytotoxic substances causing the strong allelopathic activity of the plants have not yet been determined. Therefore, we investigated allelopathic properties and phytotoxic substances in A. odorata. Aqueous EtOH extracts of A. odorata leaves inhibited root and shoot growth of garden cress (Lepidum sativum), lettuce (Lactuca sativa), alfalfa (Medicago sativa), timothy (Phleum pratense), ryegrass (Lolium multiflorum), and Echinochloa crus-galli with the extract concentration-dependent manner. The extracts were then purified and a major phytotoxic substance with allelopathic activity was isolated and identified by spectral data as rocaglaol. Rocaglaol inhibited the growth of garden cress and E. crus-galli at concentrations > 0.3 and 0.03 μm, respectively. The concentrations required for 50% inhibition ranged from 0.09 to 2.5 μm. The inhibitory activity of rocaglaol on the weed species, E. crus-galli, was much greater than that of abscisic acid. These results suggest that rocaglaol may be a major contributor to the allelopathic effect of A. odorata and bioherbicide PORGANIC.

Original languageEnglish
Pages (from-to)549-554
Number of pages6
JournalChemistry and Biodiversity
Volume13
Issue number5
DOIs
Publication statusPublished - 2016 May 1

Fingerprint

Aglaia
Lepidium sativum
Lettuce
Lolium
Medicago sativa
Echinochloa
Phleum
Meliaceae
Abscisic Acid
Acids
Growth
rocaglaol

Keywords

  • Aglaia
  • Allelopathy
  • Bioherbicide
  • Growth inhibitor
  • Meliaceae
  • Rocaglaol

ASJC Scopus subject areas

  • Biochemistry
  • Chemistry(all)
  • Bioengineering
  • Molecular Biology
  • Molecular Medicine

Cite this

Kato-Noguchi, H., Suzuki, M., Noguchi, K., Ohno, O., Suenaga, K., & Laosinwattana, C. (2016). A Potent Phytotoxic Substance in Aglaia odorata Lour. Chemistry and Biodiversity, 13(5), 549-554. https://doi.org/10.1002/cbdv.201500175

A Potent Phytotoxic Substance in Aglaia odorata Lour. / Kato-Noguchi, Hisashi; Suzuki, Masahiko; Noguchi, Kazutaka; Ohno, Osamu; Suenaga, Kiyotake; Laosinwattana, Chamroon.

In: Chemistry and Biodiversity, Vol. 13, No. 5, 01.05.2016, p. 549-554.

Research output: Contribution to journalArticle

Kato-Noguchi, H, Suzuki, M, Noguchi, K, Ohno, O, Suenaga, K & Laosinwattana, C 2016, 'A Potent Phytotoxic Substance in Aglaia odorata Lour.', Chemistry and Biodiversity, vol. 13, no. 5, pp. 549-554. https://doi.org/10.1002/cbdv.201500175
Kato-Noguchi H, Suzuki M, Noguchi K, Ohno O, Suenaga K, Laosinwattana C. A Potent Phytotoxic Substance in Aglaia odorata Lour. Chemistry and Biodiversity. 2016 May 1;13(5):549-554. https://doi.org/10.1002/cbdv.201500175
Kato-Noguchi, Hisashi ; Suzuki, Masahiko ; Noguchi, Kazutaka ; Ohno, Osamu ; Suenaga, Kiyotake ; Laosinwattana, Chamroon. / A Potent Phytotoxic Substance in Aglaia odorata Lour. In: Chemistry and Biodiversity. 2016 ; Vol. 13, No. 5. pp. 549-554.
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