Pseudomonas for biological control of Dutch elm disease. III. Field trials at various locations in the Netherlands R. J. Scheffer OriginalPaper Pages: 305 - 318
The effects of various temperatures during storage in soil on subsequent germination of sclerotia of Sclerotium cepivorum Sj. J. Gerbrandy OriginalPaper Pages: 319 - 326
Retrospective estimation of the data of infection with beet yellowing viruses in sugar-beet under field conditions W. Van Der WerfF. BonnierD. Peters OriginalPaper Pages: 327 - 341
Reactions on Nicotiana species to potato viruses A, X and Y and tobacco mosaic virus in relation to their taxonomy and geographical origin P. Van DijkC. Cuperus OriginalPaper Pages: 343 - 356
Allelic test proves genes Cf4 and Cf8 for resistance to Cladosporium fulvum (Fulvia fulva) on tomato to be undistinguishable M. GerlaghW. H. LindhoutI. Vos Short Communication Pages: 357 - 359