1. Reliability of the stem-ooze test for field identification of potato ring rot

   • L. Carl Knorr

   OriginalPaper Pages: 57 - 62

2. Observations on genetic, physiological, and environmental factors affecting the vitamin C content of Maine-grown potatoes

   • Elizabeth F. Murphy
   • W. Franklin Dove
   • Robert V. Akeley

   OriginalPaper Pages: 62 - 83

3. Sectional notes

   • L. M. Ware
   • Frank E. Garrett
   • Earl B. Tussing

   Announcement Pages: 83 - 95