Indicator plants for studies with the leafroll virus of potatoes Hugh C. Kirkpatrick OriginalPaper Pages: 283 - 290
Studies on the host range of the golden nematode of potatoes,Heterodera rostochiensis Wollenweber W. F. MaiB. F. Lownsbery OriginalPaper Pages: 290 - 294
Resistance to common scab of potatoes in parental clones and in their hybrid progenies F. A. KrantzCarl J. Eide OriginalPaper Pages: 294 - 300