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Determination of the Allelopathic Potential of Cambodia’s Medicinal Plants Using the Dish Pack Method

Author

Listed:
  • Yourk Sothearith

    (Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu, Tokyo 183-8509, Japan
    Department of Biodiversity, Ministry of Environment, Morodok Techcho (Lot 503) Tonle Bassac, Chamkarmorn, Phnom Penh 12301, Cambodia)

  • Kwame Sarpong Appiah

    (Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu, Tokyo 183-8509, Japan)

  • Hossein Mardani

    (Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu, Tokyo 183-8509, Japan)

  • Takashi Motobayashi

    (Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu, Tokyo 183-8509, Japan)

  • Suzuki Yoko

    (Aromatic Repos, AHOLA, A2 Soleil Jiyugaoka, 1-21-3, Jiyugaoka, Meguro, Tokyo 152-0035, Japan)

  • Khou Eang Hourt

    (National Authority for Preah Vihear, Thomacheat Samdech Techo Hun Sen Village, Sraem Commune, Choam Khsant District, Cheom Ksan 13407, Preah Vihear, Cambodia)

  • Akifumi Sugiyama

    (Research Institute for Sustainable Humanosphere (RISH), Kyoto University, Uji, Kyoto 611-0011, Japan)

  • Yoshiharu Fujii

    (Department of International Environmental and Agricultural Science, Tokyo University of Agriculture and Technology, 3-5-8, Saiwai-cho, Fuchu, Tokyo 183-8509, Japan)

Abstract

Plants produce several chemically diverse bioactive substances that may influence the growth and development of other organisms when released into the environment in a phenomenon called allelopathy. Several of these allelopathic species also have reported medicinal properties. In this study, the potential allelopathic effects of more than a hundred medicinal plants from Cambodia were tested using the dish pack method. The dish pack bioassay method specifically targets volatile allelochemicals. Twenty-five species were found to have significant inhibitory effects on lettuce radicle growth. Eleven different plant families, including Iridaceae (2), Apocynaceae (2), Poaceae (2), Sapindaceae, Araceae, Combretaceae, Orchidaceae, Clusiaceae, Zingiberaceae, Rutaceae and Asparagaceae had the plant species with high inhibitory effects. Allophyllus serrulatus had the highest growth inhibitory effect on lettuce radicles more than 60%, followed by Alocasia macrorrhiza, Iris pallida , Terminalia triptera , Wrightia tomentosa , Cymbidium aloifolium , Garcinia villersiana and Kaempferia parviflora . The candidate species were subjected to further studies to identify the volatile allelochemicals in the volatile constituents.

Suggested Citation

  • Yourk Sothearith & Kwame Sarpong Appiah & Hossein Mardani & Takashi Motobayashi & Suzuki Yoko & Khou Eang Hourt & Akifumi Sugiyama & Yoshiharu Fujii, 2021. "Determination of the Allelopathic Potential of Cambodia’s Medicinal Plants Using the Dish Pack Method," Sustainability, MDPI, vol. 13(16), pages 1-10, August.
    • Handle: RePEc:gam:jsusta:v:13:y:2021:i:16:p:9062-:d:613637
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