Evaluation of allelopathic potentials from medicinal plant species in phnom kulen national park, cambodia by the sandwich method

Yourk Sothearith, Kwame Sarpong Appiah, Takashi Motobayashi, Izumi Watanabe, Chan Somaly, Akifumi Sugiyama, Yoshiharu Fujii

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)

Abstract

Phnom Kulen National Park, in north-western Cambodia, has huge richness in biodiversity and medicinal value. One hundred and ninety-five (195) medicinal plant species were collected from the national park to examine allelopathic potentials by using the sandwich method, a specific bioassay for the evaluation of leachates from plants. The study found 58 out of 195 medicinal plant species showed significant inhibitory effects on lettuce radicle elongation as evaluated by standard deviation variance based on the normal distribution. Three species including Iris pallida (4% of control), Parabarium micranthum (7.5% of control), and Peliosanthes teta (8.2% of control) showed strong inhibition of lettuce radicle elongation less than 10% of the control. The results presented could present as a benchmark for isolation and identification of allelochemicals among medicinal plants used in Cambodia.

Original languageEnglish
Article number264
Pages (from-to)1-10
Number of pages10
JournalSustainability (Switzerland)
Volume13
Issue number1
DOIs
Publication statusPublished - 1 Jan 2021
Externally publishedYes

Keywords

  • Allelochemicals
  • Allelopathy
  • Leachates
  • Sandwich method

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