Influence of photoperiod and other factors on the formation of flower primordia in the potato H. A. JonesH. A. Borthwick OriginalPaper Pages: 331 - 336
The interaction of bordeaux mixture spray, sulfur and pyrethrum dusts on potato yields and insect control E. O. MaderW. A. RawlinsE. Udey OriginalPaper Pages: 337 - 349
The growth of actinomycetes on different varieties of potatoes Wayne W. Umbreit OriginalPaper Pages: 349 - 355
Program of the twenty-fifth annual meeting of the Potato Association of America December 28, 1938 to December 30, 1938 F. A. KrantzWm. H. Martin Report Pages: 358 - 361