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Plants (Basel). 2019 May 18;8(5). pii: E134. doi: 10.3390/plants8050134.

Allelopathic Potency and an Active Substance from Anredera cordifolia (Tenore) Steenis.

Author information

1
Department of Plant Pest and Disease, Faculty of Agriculture, Universitas Padjadjaran, Jalan Raya Bandung-Sumedang km 21, Sumedang, Jawa Barat 45363, Indonesia. ichsan@unpad.ac.id.
2
Laboratory of Plant Biochemistry, Department of Applied Biological Science, Faculty of Agriculture, Kagawa University, Miki, Kagawa 761-0795, Japan. hisashi@ag.kagawa-u.ac.jp.
3
Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan. a.iwasaki@chem.keio.ac.jp.
4
Department of Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan. suenaga@chem.keio.ac.jp.

Abstract

Anredera cordifolia (Tenore) Steenis is widely planted as an ornamental and medicinal plant in Indonesia. On the other hand, in some other countries this plant is classified as a noxious weed. As a harmful weed, A. cordifolia is reported to have the ability to smother all native vegetation, collapse canopies of tall trees, cultivate as a ground cover and disrupt native seedling development. There is no available information about the involvement of any allelochemicals from A. cordifolia related to these issues. The present study evaluated the allelopathic effect by isolating and identifying the allelopathic substance from A. cordifolia leaf extract. The allelopathic potency of A. cordifolia was determined by a series of bioassays of shoot and root growth on some selected test plants. Separation and purification of the active substances was achieved through several chromatography processes. Finally, the substances with allelopathic activity were identified through high-resolution electrospray ionization mass spectrometry (HRESIMS) analysis and determined by the specific rotation of compound, proton and carbon NMR spectroscopies. The results show that A. cordifolia possesses allelopathic properties which affect other plant species. The isolated compound from the plant material, 3-hydroxy-alpha-ionone, may contribute to the allelopathic effects of A. cordifolia.

KEYWORDS:

3-hydroxy-alpha-ionone; Anredera cordifolia; allelopathy; seedling development

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