40 MASS. EXPERIMENT STATION BULLETIN 351 



56. Landucci, V. Experiments in combatting damping-off. (Transl. title) 



Alpe Firenze 19:359-367, illus. 1932. 



57. Laurie, Alex, and Chadwick, L. C. The modern nursery. 494 p., illus. 



New York. 1931. 



58. Leach, L. D., and Davey, A. E. Toxicity of low concentrations of ammonia 



to mycelium and sclerotia of Sclerotium rolfsii. Phytopath. 25:957-959. 

 1935. 



59. Loew, Oscar. Chlorid of lime as a soil disinfectant. Hawaiian Plant. 



Rec. 28: 304-306. 1924. 



60. Macleod, D. J., and Howatt, J. L. Soil treatment in the control of certain 



soil-borne diseases of potatoes. Amer. Potato Jour. 11:60-61. 1934. 



61. Macself, A. J. Plants from seed. 229 p. London. 1926. 



62. Martin, W. H. Plant pathology. First Bien. Rept. N. J. Agr. Expt. Sta. 



for 2-year period ending June 30, 1933: 57-66. 1933. 



63. Matsumoto, Takashi. Physiological specialization in Rhizoctonia solani 



Kuhn. Ann. Mo. Bot. Gard. 8:1-62. 1921. 



64. McCallan, S. E. A., and Wilcoxon, Frank. Fungicidal action and the 



periodic system of the elements. Contr. Boyce Thompson Inst. 6: 

 479-500, illus. 1934. 



65. McCool, M. M. Properties and uses of calcium cyanamide. Boyce Thomp- 



son Inst. Professional Paper 1 :226-239. 1933. 



66. McLean, F. T., and Gilbert, B. E. The relative aluminum tolerance of 



crop plants. Soil Sci. 24:163-175, illus. 1927. 



67. Neal, David C, and Gilbert, W. W. Cotton diseases and methods of 



control. U. S. Dept. Agr. Farmers' Bui. 1745, 34 p., illus. 1935. 



68. , Wester, R. E., and Gunn, K. C. Treatment of cotton root-rot 



with ammonia. Science 75:139-140. 1932. 



69. Newhall, A. G. Theor>' and practice of soil sterilization. Agr. Engin. 



16:65-70, illus. 1935. 



70. , Chupp, Charles, and Guterman, C. E. F. Soil treatments for 



the control of diseases in the greenhouse and seedbed. N. Y. (Cornell) 

 Ext. Bui. 217, 56 p., illus. (Revised). 1934. 



71. NoUa, J. A. B. The damping-ofT of tobacco and its control in Puerto Rico. 



Jour. Dept. Agr. Puerto Rico 16:285-324, illus. 1932. 



72. Ogilvie, L., and Mulligan, B. O. Progress report on vegetable diseases. 



V. Univ. Bristol, Agr. and Hort. Res. Sta. Ann. Rept. for 1933: 98-120, 

 illus. 1934. 



73. Peltier, George L. Carnation stem rot and its control. 111. Agr. Expt. Sta. 



Bui. 223:579-607, illus. 1919. 



74. Quick, Clarence R. Chemical control of harmful fungi during stratification 



and germination of seeds of i?i6e5 roez/j. Phytopath. 26:694-697. 1936. 



75. Richards, B. L. Soil temperature as a factor affecting the pathogenicity of 



Corticium vagum on the pea and the bean. Jour. Agr. Res. 25:431-450, 

 illus. 1923. 



76. Rideal, Samuel, and Rideal, Eric K. Chemical disinfection and steriliza- 



tion. 313 p., illus. London. 1921 



77. Riviere, G., and Richard, G. Partial sterilization of soil. (Transl. title) 



Ann. Sci. Agron. Franc, et Etrang. 41:251-253. 1924. 



78. Roberts, John W., and Dunegan, John C. Peach brown rot. U. S. Dept. 



Agr. Tech. Bui. 328, 60 p., illus. 1932. 



79. SherbakofT, C. D. Rept. of the Assoc. Plant Pathologist. Fla. Agr. Expt. 



Sta. Rept. for year ending June 30, 1916: 80R-98R, illus. 1917. 



