1. What are the real values and facts of seed potato certification?

   • Cecil W. Frutchey

   OriginalPaper Pages: 245 - 249

2. Potato tuber disinfection tests in western Washington

   • C. J. Gould
   • T. E. Randall

   OriginalPaper Pages: 249 - 256

3. An improved technique for growing potatoes in solution cultures

   • G. V. C. Houghland

   OriginalPaper Pages: 257 - 262

4. II. Breeding potatoes with resistance to the Colorado beetle

   • M. Torka

   OriginalPaper Pages: 263 - 271

5. Sectional notes

   • W. B. Ward
   • Marx Koehnke
   • R. E. Goodin

   Announcement Pages: 272 - 274