Host differentiation and serological homology of pea seed-borne mosaic virus isolates R. HamptonG. MinkD. Hagedorn OriginalPaper Pages: 1 - 10
Resistance to acylalanine fungicides in Phytophthora megasperma f.sp. medicaginis L. C. Davidse OriginalPaper Pages: 11 - 24
Mature plant resistance of potato against some virus diseases. III. Mature plant resistance against potato virus YN, indicated by decrease in ribosome-content in ageing potato plants under field conditions J. H. VenekampA. SchepersC. B. Bus Erratum Pages: 30 - 30