Screening ofSolanum species for resistance to physiologic races ofPhytophthora infestans W. BlackM. E. Gallegly OriginalPaper Pages: 273 - 281
The effect of redtop and red clover on yields of following crops of potatoes T. E. OdlandJ. E. Sheehan OriginalPaper Pages: 282 - 284
Effects of fertilizers and restricted aeration on the subterranean morphology of the potato plant H. W. GausmanR. A. Struchtemeyer OriginalPaper Pages: 285 - 286
Influence of daylength and temperature on diagnosis of immunity from virus X in potato R. E. WebbE. S. Schultz OriginalPaper Pages: 287 - 292
Program of the 41st Annual Meeting of The Potato Association of America December 2, 3, 4, 1957 United States Department of Agriculture Beltsville, Maryland News and Reviews Pages: 298 - 301