The Role of Benzoic Acid and Plant Hormones in Flowering of Lemna gibba G3

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概要

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• The level of benzoic acid was measured in Lemna gibba G3 grown on M and E media under inductive and non-inductive daylengths. Benzoic acid was slightly higher in plants grown on M medium but there was no difference in the benzoic acid levels in flowering and vegetative plants. When L. gibba G3 was grown under continuous light on 1/10 M medium or 1/2 H medium there was virtually no flowering, but addition of benzoic acid to either medium led to a substantial flowering response. In both cases this flowering response was inhibited by the plant hormones IAA, GA_3, ABA and zeatin, with IAA and GA_3 being the least inhibitory and ABA being the most inhibitory. This same pattern of inhibition was seen when L. gibba G3 was grown on M medium under continuous light, conditions that lead to photoinduction of flowering. These results leave open the possbility that endogenous benzoic acid may interact with other factors to influence the flowering response in L. gibba G3.

• 日本植物生理学会の論文

著者

• Fujioka Shozo

  Riken (the Inst. Of Physical And Chemical Research)

• YAMAGUCHI Isomaro

  Department of Applied Biological Chemistry, The University of Tokyo

• MUROFUSHI Noboru

  Department of Biotechnology, Akita Prefectural University

• FUJIOKA Shozo

  The Institute of Physical and Chemical Research (RIKEN)

• Cleland C

  Smithsonian Environmental Research Center Maryland Usa

• Takahashi Nobutaka

  The Institute of Physical and Chemical Research

• Takimoto Atsushi

  Laboratory of Experimental Biology

• Murofushi Noboru

  Department Of Agricultural Chemistry The University Of Tokyo

• Yamaguchi Isomaro

  Department Of Agricultural Chemistry Faculty Of Agricultural Science University Of Tokyo

• Kaihara Sumiko

  Laboratory Of Applied Botany Faculty Of Agriculture Kyoto University

• Takimoto Atsushi

  Laboratory Of Applied Botany Faculty Of Agriculture

• Fujioka Shozo

  Plant Functions Laboratory The Institute Of Physical And Chemical Research (riken)

• Fujioka Shozo

  Riken

• Cleland Charles

  Smithsonian Environmental Research Center

• Kaihara Sumiko

  Department Of Agricultural Chemistry The University Of Tokyo

• Takimoto Atsushi

  Laboratory of Applied Botany, Faculty of Agriculture, Kyoto University

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