Blackspot of Russet Burbank potatoes and the carbon dioxide content of soil and tubers R. KunkelM. L. WeaverN. M. Holstad OriginalPaper Pages: 105 - 117
Resistencia de tuberculos a las fusaria que afectan papa en el Peru Betty SeminarioE. R. FrenchL. W. Nielsen OriginalPaper Pages: 118 - 123
Shurchip: A new scab resistant processing potato variety R. B. O’Keefe OriginalPaper Pages: 124 - 129
Effect of planting date, spacing, and potassium on hollow heart in Norgold Russet potatoes D. C. Nelson OriginalPaper Pages: 130 - 135
Call for Papers for Annual Meeting The Potato Association of AmericaHugh J. Murphy News and Reviews Pages: 137 - 137
Production of certified seed potatoes by varieties — 1969 Orrin C. Turnquist News and Reviews Pages: 138 - 142
Changes in officials and agencies in charge of potato seed certification (As of December, 1969) News and Reviews Pages: 143 - 143