• ANON. (1965). Rep. E. Mailing Res. Stn., for 1964. p. 7.
  • BOWEN, M. R. & WAREING, P. F. (1969). The interchange of I4C-Kinetin and 14C-gibberellic acid between bark and xylem of willow. Planta (Berl.), 89, 108.
  • BJORN, L. O., SUZUKI, Y. & NILSSON, J. (1963). Influence of Wavelength on the Light Response of Excised Wheat Roots. Physiologia PL. 16, 132.
  • FADL, M. S. & HARTMANN, H. T. (1967). Effect of reciprocal bud-graft transfers between Old Home and Bartlett pears and centrifugation on translocation of endogenous growth substances in hardwood cuttings. Physiologia PI., 20, 802.
  • FROLICH, E. F. (1961). Etiolation and the rooting of cuttings. Proc. PI. Prop. Soc., 11, 277.
  • GARDNER, F. E. (1937). Etiolation as a method of rooting apple variety stem cuttings. Proc. Am. Soc. hort. Sci., 34, 323.
  • GARNER, R. J. & HATCHER, E. S. J. (1964). Regeneration in relation to vegetative vigour and flowering. Proc. of 16th Int. Hort. Cong. (Brussels)., Vol. 3, 105.
  • GOREN, R., GOLDSCHMIDT, E. F. & MONSELISE, S. P. (1971). Hormonal balance in bark and leaves of Shamouti orange trees (Citrus sinensis (L) Osbeck) in relation to ringing. J. hort. Sci., 46, 443.
  • HERMANN, D. E. & HESS, C. E. (1963). The effect of Etiolation upon the rooting of cuttings. Proc. Int. PI. Prop. Soc., 13, 42.
  • HIGDON, R. J. & WESTWOOD, M. N. (1963). Some factors affecting the rooting of hardwood pear cuttings. Proc. Am. Soc. Hort. Sci., 83, 193.
  • HOWARD, B. H. (1968). Effects of bud removal and wounding on rooting in hardwood cuttings. Nature., 220, 263.
  • NALAWADI, U. G. & SULIKERI, G. S. (1972). Effect of time of pre-girdling and position of the girdled cane on rooting of Fig (Ficus carica L.) cuttings. Ind. J. Hort., 29, 382.
  • SIDLOWSKI, J. J., PHILLIPS, W. S. & KUYKENDALL, J. R. (1971). Phloem regeneration across girdles of grape vines. J. Am. Soc. Hort. Sci., 96, 97.
  • SMITH, E. F. (1928). A comparative study of the stem structure of the Genus Clematis with special reference to anatomical changes induced by vegetative propagation. Trans. R. Soc. Edinb., 55, 643.
  • STOLTZ, L. P. & HESS, C. E. (1966a). The effect of girdling upon root initiation carbohydrates and amino acids. Proc. Am. Soc. Hort. Sci., 89, 643.
  • STOLTZ, L. & HESS, C. E. (1966b). Effect of girdling on Root Initiation; Auxin and rooting cofactors. Proc. Am. Soc. Hort. Sci., 89, 744.
  • STUART, N. W. & MARTH, P. C. (1937). Composition and Rooting of American Holly cuttings as affected by treatment with indolebutyric acid. Proc. Am. Soc. Hort. Sci., 35, 839.
  • TORREY, J. G. (1952). Effects of Light on Elongation and Branching in Pea Roots. pl. Physiol, Lancaster., 27, 591.
  • WALLERSTEIN, I., GOREN, R. & MONSELISE, S. P. (1974). The effect of girdling on starch accumulation in sour orange seedlings. Can. J. Bot., 52, 935.
  • WITHNALL, A. M. (1968). The relationship of anatomy to rooting in the Pomoideae. M. Phil. thesis, University of London.
  • YEOMAN, M. M. & DAVIDSON, A. W. (1971). Effect of light on cell division in developing callus cultures. Ann. Bot., 35, 1085.