230 FUNDAMENTALS OF FRUIT PRODUCTION 



32. Coupin, H. Compt. rend. 127:400. 1898. 



33. Coupin, H. Compt. rend. 170:753-754. 1920. 



34. Coville, F. V. U.S.D.A., Bur. PI. Ind. Bui. 193. 1910. 



35. Coville, F. V. U.S.D.A. Bui. 6. 1913. 



36. Cummings, M. B., and Jones, C. H. Vt. Agr. Exp. Sta. Bui. 211. 1919. 



37. Curtis, O. F. Am. Jour. Bot. 7:101-124. 1920. 



38. Czapek, F. Biochemie der Pflanzen. 2:156-158. Jena, 1905. 



39. Ibid. 2:188. 



40. Ibid. 2:198. 



41. Ibid. 2:737. 



42. Ibid. 2:739. 



43. Ibid. 2:740. 



44. Ibid. 2:744. 



45. Ibid. 2:745. 



46. Ibid. 2:762. 



47. Ibid. 2:764, 765. 



48. Ibid. 2:765. 



49. Ibid. 2:766. 



50. Ibid. 2:769. 



51. Ibid. 2:772. 



52. Ibid. 2:776. 



53. Ibid. 2:791. 



54. Ibid. 2:795. 



55. Ibid. 2:797. 



56. Ibid. 2:798. 



57. Ibid. 2:800. 



58. Ibid. 2:805. 



59. Ibid. 2:830. 



60. Ibid. 2:868. 



61. Daniel, L. Rev. hort. 10(N.S.):102. 1910. 



62. Davis, W. A., Daish, A. J., and Sawyer, G. C. Jour. Agric. Soc. 6:406-412. 



1914. 



63. Drinkard, A. W. Va. Agr. Exp. Sta. Ann. Kept. P. 159. 1909-1910. 



64. Emmons, E. Agriculture of New York, Vol. 1. Albany, 1849. 



65. Ewert, A. J. Proc. Roy. Soc. Victoria. 24(N.S.):367-419. 1912. 



66. Floyd, B. F. Fla. Agr. Exp. Sta. Ann. Rept. Pp. 35R-46R. 1917. 



67. Ibid. Bui. 140. 1917. 



68. Franklin, J. H. Mass. Agr. Exp. Sta. Bui. 168. 1916. 



69. Fred, E. B. Va. Agr. Exp. Sta. Ann. Rept. Pp. 132-134. 1908. 



70. Ibid. Pp. 138-142. 



71. Garner, W. W., and Allard, H. A. Jour. Agr. Res. 18:553-606. 1920. 



72. Gile, P. L., and Carrero, J. O. Porto Rico Agr. Exp. Sta. Rept. Pp. 10-20. 



1917. 



73. Gile, P. L., and Carrero, J. O. Jour. Agr. Res. 20:33-62. 1920. 



74. Gladwin, F. E. N. Y. Agr. Exp. Sta. Bui. 458. 1919. 



75. Goff, E. S. Wis. Agr. Exp. Sta. Ann. Rept. 16:289. 1899. 



76. Ibid. 17:266. 1900. 



77. Ibid. 18:304. 1901. 



78. Gonehalli, V. H. Bombay Dept. Agr. Bui. 29. 1914. (Cited by Tottingham, 



W. E. Jour. Am. Soc. Agron. 2:6. 1919.) 



79. Gourley, J. H. N. H. Agr. Exp. Sta. Bui. 168. 1914. 



80. Ibid. Bui. 190. 1919. 



