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BY-NC-ND 3.0 license Open Access Published by De Gruyter June 2, 2014

Changes in Catecholamine Levels in Short Day-Induced Cotyledons of Pharbitis nil

  • Masayuki Suzuki , Masaya Mizoguchi , Fumihiko Yano , Utako Hara , Mineyuki Yokoyama and Naoharu Watanabe EMAIL logo

We investigated the effects of catecholamine on flower-induction in P. nil (cv. Violet). GCSIM analysis identified dopamine for the first time in P. nil seedlings. Dopamine levels in the cotyledons did not show a significant change during the inducing dark treatment. The dopamine content of cotyledons exposed to various durations of darkness were 0.1-0.2 nmol/ g fresh weight. The same content was found when cotyledons were exposed to continuous light.

Received: 2002-10-29
Revised: 2002-11-25
Published Online: 2014-6-2
Published in Print: 2003-4-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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