• CORCORAN, M.R., GEISSMAN, T.A. & PHINNEY, B.O. (1972). Tannins as gibberellin antagonists. Plant Physiol., 49, 323.
  • GANTZER, E. (1960). Wirkungen von Kumarin auf Wachstums-und Entwicklungsvorgänge und seine Wanderungsfähigkeit im Pflanzengewebe. Planta, 55, 235.
  • GORTNER, W.A. & KENT, M.J. (1958). The coenzyme requirement and enzyme inhibitors of pineapple indoleacetic acid oxidase. J. biol. Chem., 233, 731.
  • HAISSIG, B.E. (1974). Influences of auxins and auxin synergists on adventitious root primordium initiation and development. N. Z. J. for Sci., 4, 311.
  • HENDERSON, J.H.M. & NITSCH, J.P. (1962). Effect of certain phenolic acids on the elongation of Avena first internodes in the presence of auxin and tryptophan. Nature, 195, 780.
  • NANDA, K.K., KUMAR, S. & SOOD, V. (1976). Effect of gibberellic acid and some phenols on the flowering of Impatiens balsamina, a qualitative short day plant. Physiol. Plant, (in press).
  • NITSCH, J.P. & NITSCH, C. (1962). Composes phenolique et croissance végétale. Ann. Physiol. Veg., 4, 211.
  • PHILLIPS, I.D.J. (1961). Induction of light requirement for germination of lettuce seed by naringenin and its removal by gibberellic acid. Nature, 192, 240.
  • RABIN, R.S. & KLEIN, R.M. (1957). Chlorogenic acid as a competitive inhibitor of indoleacetic acid oxidase. Arch. Biochem. Biophys., 70, 11.
  • TOMASZEWSKI, M. (1964). The mechanism of synergistic effects between auxin and some natural phenolic substances. In: Regulateurs Naturels de la croissance végétale (Ed. by J. P.Nitsch), p. 335, C.N.R.S., Paris .
  • UMEMOTO, T. (1971). Effect of chlorogenic acid on flower production in a long day duckweed, Lemna gibba G3. Plant & Cell Physiol, 12, 165.
  • VENDRIG, J.C. & BUFFEL, K. (1961). Growth stimulating activity of trans-caffeic acid isolated from Coleus rhenaltianus. Nature, Lond., 192, 276.
  • WAIN, R.L. & TAYLOR, H.F. (1965). Phenols as plant growth regulators. Nature, Lond., 207, 167.
  • ZUCKER, M.C., NITSCH, C. & NITSCH, J.P. (1965). The induction of flowering in Nicotiana. II. Photo-periodic alteration of the chlorogenic acid concentration. Am. J. Bot., 52, 271.