• Andreae W. A. & Good, N. E. (1957). Studies on 3-indoleacetic acid metabolism. 4. Conjugation with aspartic acid and ammonia as processes in the metabolism of carboxylic acids. Plant Physiol., 32, 566.
  • Bach M K (1961). Metabolites of 2,4-dichlorophenoxyacetic acid from bean stems. Plant Physiol., 36, 558.
  • Bach, M. K. & Fellig, J. (1961a). The uptake and fate of C14-labeled 2,4-dichlorophenoxyacetic acid in bean stem sections. In: Plant Growth Regulation: Fourth International Conference on Plant Growth Regulation (1959), p. 273. Iowa State University Press, Ames , Iowa .
  • Bach, M. K. & Fellig, J. (1961b). Metabolism of carboxyl-14C-labelled 2,4-dichlorophenoxyacetic acid by bean stems: heterogeneity of the ethanol-soluble, ether-insoluble products. Nature, Lond., 189, 763.
  • Benson, A. A., Bassham, J. A., Calvin, M., Goodale, T. C., Haas, V. A. & Stepka, W. (1950)- The path of carbon in photosynthesis. 5. Paper chromatography and radioautography of the products. J, Amer. chem. Soc., 72, 1710.
  • Canny, M. J. (1960). The rate of translocation. Biol. Rev., 35, 507.
  • Canny, M. J. & Markus, K. (1960). The breakdown of 2,4-dichlorophenoxyacetic acid in shoots and roots. Aust.J. biol. Sci., 13, 486.
  • Jaworski, E. G. & Butts, J. S. (1952). Studies in plant metabolism. 2. The metabolism of C14-labeled 2,4-dichlorophenoxyacetic acid in bean plants. Arch. Biochem. Biopliys., 38, 207.
  • Jaworski, E. G., Fang, S. C. & Freed, V. H. (1955). Studies in plant metabolism. 5. The metabolism of radioactive 2,4-D in etiolated bean plants. Plant Physiol., 30, 272.
  • Leopold, A. C. (1961). The transport of auxin. In: Ruhland, W. (ed.) Encyclopedia of Plant Physiology, vol. 14, p. 671. Springer, Berlin .
  • Leopold, A. C. & Lam, S. L. (1961). Polar transport of three auxins. In: Plant Growth Regulation: Fourth International Conference on Plant Growth Regulation (1959), p. 411. Iowa State University Press, Ames , Iowa .
  • Loughman, B. C. & Martin, R. P. (1957). Methods and equipment for the study of the incorporation of phosphorus by intact barley plants in experiments of short duration. J. exp. Bot., 8, 272.
  • Mccready, C. C. (1958). A direct-plating method for the precise assay of carbon-14 in small liquid samples. Nature, Lond., 181, 1406.
  • Ccready, C. C. & Jacobs, W. P. (1963). Movement of growth regulators in plants. 2. Polar transport of radioactivity from indoleacetic acid-14C and 2,4-dichlorophenoxyacetic acid-14C in petioles of Phaseolus vulgaris. New Phytol., 62, 19.
  • Overseek, J. Van (1956). Absorption and translocation of plant regulators. Annu. Rev. Pl. Physiol., 7, 355.
  • Slyke, D. D. Van & Folch, J. (1940). Manometric carbon determination. J. biol. Chem., 136, 509.
  • Thimann, K. V. & Leopold, A. C. (1955). Plant growth hormones. In: Pincus, G. & Thimann, K. V. (eds.) The Hormones, p. 2. Academic Press, New York .
  • Weij, H. G. Van Der (1932). Der Mechamsmus des Wuchsstofftransportes. Rec. Trav. bot. néed., 29, 379.
  • Went, F. W. (1928). Wuchsstoff und Wachstum. Rec. Trav. bot. néerl., 25, 1.