(20) Plagge, H. H., Manet, T. J., and Pickett, B. S. 



1935. FUNCTIONAL DISEASES OF THE APPLE IN STORAGE. Iowa Agr. 



Expt. Sta. Bui. 329, 79 pp., illus. 



(21) Ramsey, H. J., McKay, A. W., Markell, E. L., and Bird, H. S. 



1917. THE HAXDLIXG AND STORAGE OF APPLES IX THE PACIFIC NORTH- 

 WEST. U. S. Dept. Agr. Dept, Bui. 587, 32 pp., illus. 



(22) Robixsox, R. H., and Hartmax, H. 



1927. A PROGRESS REPORT OX THE REMOVAL OF SPRAY RESIDUE FROM 



apples axd pears. Oreg. Agr. Expt. Sta. Bui. 226, 46 pp., 

 illus. 



(23) Rose, D. H. 



1924. diseases of apples ox the market. U. S. Dept. Agr. Dept. 

 Bui. 1253, 24 pp., illus. 



(24) Schxellhardt, O. F., and Heald, F. D. 



1936. A STUDY OF THE TOXIC ACTIOX OX GRAY-MOLD SPORES OF CLEAN- 



IXG SOLUTIOXS USED IX SPRAY RESIDUE REMOVAL. Phvtopa- 



thologv 26: 564-577, illus. 



(25) Shear, E. V. 



1929. WASHIXG FRUIT TO REMOVE SPRAY RESIDUE IX THE HUDSON VAL- 

 LEY. X. Y. State Agr. Expt. Sta. Bui. 575, 34 pp. 



(26) Smith, E., Ryall, A. L., and Cassil, C. C. 



1941. SOME HOT WASHES XEEDED IF SPRAY PROGRAM HEAVY. Better 



Fruit 36 (4) : 12, 14. 



(27) Streeter, L. R., and Harmax, S. W. 



1929. spray residues. X. Y. State Agr. Expt. Sta. Bui. 579, 12 pp. 



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