1. Seed and soil treatment for the control of potato scab

   • L. A. Schaal

   OriginalPaper Pages: 163 - 170

2. Some laboratory and field data on ring-rot of potatoes in California

   • P. A. Ark

   OriginalPaper Pages: 170 - 181

3. Sectional notes

   • M. A. Lindsay
   • W. B. Ward
   • Chas D. Gaines

   Announcement Pages: 181 - 196