144 • Bibliography 



Chailakhyan. M. H., 1960. "Effect of gibberellins and derivatives of nucleic acid 

 metabolism on plant growth and flowering," pp. 531-542 in Plant growth 

 regulation, Ames: Iowa State University Press. 



, and Zhdanov v. L. P., 1938. "Hormones of growth in formation processes. 



I. Photoperiodism and the reaction of growth hormones," C. R. (Doklady) 

 Acad. Sci. U.R.S.S., 19: 107-111. 



Chouard, P., 1957. "Quelques problemes evoques par la diversity des reactions 

 des plantes a fleurs an photoperiodisme," pp. 7-23 in Colloque International 

 sur le Photo-thermoperiodisme, Union Internationale des Sciences Biologiques, 

 Serie B (Colloques) No. 34. Rue Victor Cousin, Paris: Secretariat de 1'U.I.S.B. 

 (Publications). 



, 1900. "Vernalization and dormancy," Ann. AY.-. Plant Physiol., 11: 



191-238. 



Claes, H., and Lang, A., 1947. "Die Bliitenbildung von Hyoscyamus niger in 

 48-stiindigen Licht-Dunkcl-Zyklen und in Zyklen mit aufgeteilten Licht- 

 phasen," Zeit. Xaturf., 2b: 56-63. 



Clauss, H., and Rau, W., 1956. "Uber die Bliitenbildung von Hyoscyamus niger 

 und Arabidopsis thaliana in 72-Studen-Zyklen," Zeit. Bot., 44: 437-454. 



Cooke, A. R., 1954. "Changes in free auxin content during the photoinduction 

 of short-day plants," Plant Physiol., 29: 440-444. 



Cordner, H. B., and Hedges, G., 1959. "Determinateness in the tomato in rela- 

 tion to variety and to application of N-metatolylph thalamic acid of high 

 concentration," Proc. Am. Soc. Hort. Sci., 73: 323-330. 



Cumming, B. G., 1959. "Extreme sensitivity of germination and photoperi- 

 odic reaction in the genus Chenopodium (Tourn.) L.," Nature, 184: 1044- 

 1045. 



De Lint, P. J. A. L., 1960. "An attempt to analysis of the effect of light on stem 

 elongation and flowering in Hyoscyamus niger L.," Med. Landbouwhoge- 

 school Wageningen, 60: 1-59. 



De Zeeuw, D., 1953. "Flower initiation and light intensity in Perilla," Koninkl. 

 Ned. Akad., Wet., Proc, C56: 418-422. 



, and Leopold, A. C, 1955. "Altering juvenility with auxin," Science, 



122: 925-926. 



Doorenbos, J., and Welle n si ek, S. J., 1959. "Photoperiodic control of floral in- 

 duction," Ann. Rev. Plant Physiol., 10: 147-184. 



Downs, R. J., 1956. "Photoreversibility of flower initiation.*' Plant Physiol., 31: 

 279-284. 



, 1959. "Photocontrol of vegetative growth," pp. 129-135 in R. B. Withrow 



(ed.), Pliotoperiodism and related phenomena in plants and animals, Wash- 

 ington, D.C.: American Association for the Advancement of Science. 



, Piringer, A. A., and Wiebe, G. A., 1959. "Effects of photoperiod and 



kind of supplemental light on growth and reproduction of several varieties 

 of wheat and barley," Bot. Gaz., 120: 170-177. 

 Dyer, H. J., Skok, J., and Scully. X. J., 1959. "Photoperiodic behavior of sun- 

 flower," Bot. Gaz., 121: 50-55. 



