A PRELIMINARY STUDY ON ALLELOPATHIC ACTIVITY OF BRYOPHYTES UNDER LABORATORY CONDITIONS USING THE SANDWICH METHOD

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  • TSUBOTA HIROMI
    Department of Biological Science, Graduate School of Science, Hiroshima University Present address: Miyajima Natural Botanical Garden, Graduate School of Science, Hirosihma University
  • KURODA ASUMO
    Miyajima Natural Botanical Garden, Graduate School of Science, Hirosihma University Present address: Institute of Natural and Environmental Sciences, University of Hyogo
  • MASUZAKI HIROAKI
    Department of Biological Science, Graduate School of Science, Hiroshima University
  • NAKAHARA MIHO
    Department of Biological Science, Graduate School of Science, Hiroshima University
  • DEGUCHI HIRONORI
    Department of Biological Science, Graduate School of Science, Hiroshima University

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  • preliminary study on allelopathic activity of bryophytes under laboratory conditions using the sandwich method

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<p>  Allelopathy is a common phenomenon in plants, with environmental impacts in ecosystems through interference of allelochemicals that inhibit or promote growth and activity of other life. In this study, allelopathic activities of bryophytes, represented by Sphagnum palustre, Racomitrium japonicum, Dicranum japonicum, and Hypnum plumaeforme, were detected using the sandwich method for bioassay of allelopathic effect for lettuce under laboratory conditions. Most of the representatives more or less showed inhibition or promotion of radicle elongations of lettuce seedlings. These results suggested that bryophytes also have allelopathic activities, and the influence would provide the ecosystems one of the factors for decelerating progressive succession in an early stage of succession of vegetation.</p>

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