610 FUNDAMENTALS OF FRUIT PRODUCTION 



144. Yard, E. Rev. hort. 63: 514. 1891. 



145. Victoria Jour. Dept. Agr. 14: 6. 1916. 



146. Voechting, H. Cited by Lindemuth, H. Ber. Bot. Gesel. 19: 515. 1901. 



147. Vosbury, E. D. U. S. D. A. Farmers' Bui. 1122. 1920. 



148. Waugh, F. A. Vt. Agr. Exp. Sta. Ann. Rept. 13: 333. 1900. 



149. Waugh, F. A. Vt. Agr. Exp. Sta. Ann. Rept. 14: 259. 1901. 



150. Waugh, F. A. Plums and Plum Culture. P. 238. New York. 1910. 



151. Webber, H. J. Cal. Agr. Exp. Sta. Bui. 317. 1920. 



152. Webber, H. J. et al. Cal. Agr. Exp. Sta. Bui. 304. 1919. 



153. Wickson, E. J. California Fruits. P. 246. San Francisco. 1910. 



154. Ibid. P. 345. 



155. Ibid. P. 439. 



156. Wisker, A. L. Cal. Board Hort. Mo. Bui. 5: 112. 1916. 



