1. Distribution of physiological races ofPhytophthora infestans (Mont.) de Bary in Canada

   • K. M. Graham

   OriginalPaper Pages: 277 - 282

2. Application of certain hormones to prevent flower abscission in two potato (Solanum tuberosum) varieties

   • Mohamed Aslam Zafar

   OriginalPaper Pages: 283 - 292

3. Natural dehydration of cull potatoes by alternate freezing and thawing

   • R. H. Treadway
   • E. G. Heisler
   • J. S. Getchell

   OriginalPaper Pages: 293 - 303

4. Potato variety yields, total solids, and cooking quality as affected by date of vine killing

   • R. V. Akeley
   • F. J. Stevenson
   • C. E. Cunningham

   OriginalPaper Pages: 304 - 313

5. “Report on Research” Presented at Summer Conference at Skytop, Pa., June 20, 1955

   • Ora Smith

   News and Reviews Pages: 314 - 315

6. USDA scientists progress in search for better potato sprout inhibitor

   News and Reviews Pages: 315 - 315