Biologia Plantarum

, Volume 31, Issue 6, pp 471–478 | Cite as

Allelopathic actions in the Florida scrub community

  • N. H. Fischer
  • G. B. Williamson
  • N. Tanrisever
  • Ana de la Pena
  • J. D. Weidenhamer
  • Elizabeth D. Jordan
  • D. R. Richardson
Article
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Accepted:

Abstract

The hypothesis that allelochemicals released from members of the Florida scrub community deter the invasion of fire-prone sandhill grasses was investigated. Constituents of the endemic scrub members, Ceratiola ericoides, Conradina canescens and Calamintha ashei, were examined for their phytotoxic activity. Effects of the plant natural products on the germination and radicle growth of lettuce (Lactuca sativa), as well as little bluestem (Schizachyrium scoparium) and green sprangletop (Leptochloa dubia), two native grasses of the Florida sandhill community, were tested.

The data suggest that ursolic acid and other natural detergents which are released from a source plant enhance the solubilization of allelopathic lipids via micellization. In general, natural surfactants seem to play a significant role in the water transport of lipophilic phytotoxins to target seeds or seedlings.

Keywords

Epicatechin Ursolic Acid Borneol Saturated Aqueous Solution Radicle Growth 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Academia 1989

Authors and Affiliations

  • N. H. Fischer
    • 1
    • 2
  • G. B. Williamson
    • 2
  • N. Tanrisever
    • 1
  • Ana de la Pena
    • 1
  • J. D. Weidenhamer
    • 1
    • 2
  • Elizabeth D. Jordan
    • 1
  • D. R. Richardson
    • 2
  1. 1.Department of ChemistryLouisiana State UniversityBaton RougeUSA
  2. 2.Department of BotanyLouisiana State UniversityBaton RougeUSA

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