Studies on Botrytis cinerea in tomatoes. Effect of soil nitrogen level and of methods of deleafing upon the occurrence of B. cinerea under commercial conditions K. Verhoeff OriginalPaper Pages: 184 - 192
Effect of 6-azauracil on infection with tobacco mosaic virus Jeanne DijkstraJ. J. S. van Rensen OriginalPaper Pages: 193 - 201
Investigations into the cause of the phloem necrosis disease of Coffea liberica in Surinam, South America H. Vermeulen OriginalPaper Pages: 202 - 218
Effect of 6-azauracil against apple powdery mildew and apple scab J. DekkerG. S. Roosje OriginalPaper Pages: 219 - 226
Nacobbus serendipiticus, a plant parasitic nematode new to The Netherlands N. de BruijnS. Stemerding Short Communications Pages: 227 - 228
A biochemical mechanism of natural resistance of apple to Venturia inaequalis J. RaaA. Kaars Sijpesteijn Short Communications Pages: 229 - 231
Rare symptoms on chrysanthemum morifolium infected with Puccinia horiana J. C. ZadoksA. Kodde Short Communications Pages: 232 - 233
Evidence for the presence of the Ohio strain III of tobacco mosaic virus in tomato in The Netherlands A. Th. B. Rast Short Communications Pages: 234 - 236