Significance of the non-appearance of visible disease symptoms in cucumber (Cucumis sativus L.) after infection with Cucumis virus 2 E. Kooistra OriginalPaper Pages: 136 - 140
Testing strawberries for resistance to verticillium wilt Hester G. KronenbergA. C. Van Der Giessen OriginalPaper Pages: 141 - 152
Acidity and sweetness in apple and pear T. VisserA. A. SchaapD. P. De Vries OriginalPaper Pages: 153 - 167
Effect of temperature on the balance between protein synthesis and carotenogenesis in the roots of carrot O. BangaJ. W. De Bruyn OriginalPaper Pages: 168 - 172
Screening young tomato seedlings for resistance to didymella foot- and stemrot Veronica A. MartinsonN. G. Hogenboom OriginalPaper Pages: 173 - 182
Selection in runner beans (Phaseolus coccineus L.) with special reference to the use of tuberous roots E. Kooistra OriginalPaper Pages: 183 - 189
Vegetative propagation of selected lettuce plants in autumn and winter C. M. RodenburgW. J. van Raalten OriginalPaper Pages: 190 - 196
Determination of sugar and acid content in apple J. W. de BruynH. A. van Keulen OriginalPaper Pages: 197 - 201
Identity tests of ms-genes of Brussels sprouts (Brassica oleracea L. var. Gemmifera DC.) and cauliflower (B. oleracea var. Botrytis L.) M. Nieuwhof OriginalPaper Pages: 202 - 206
Research on pollen distribution in onion seed fields Q. P. van der MeerJ. L. van Bennekom OriginalPaper Pages: 216 - 219
Self-compatibility in Lycopersicum peruvianum (L.) mill. N. G. Hogenboom OriginalPaper Pages: 220 - 223
Testing for pea leafroll virus and inheritance of resistance in peas E. Drijfhout OriginalPaper Pages: 224 - 235
A physiological analysis of the responses of the lettuce variety ‘Rapide’ and its hybrid with ‘Hamadan’ to day-length and light intensity R. BrouwerJ. A. Huyskes OriginalPaper Pages: 245 - 251
Polyploidy in garden tulips. I. A survey of Tulip a varieties for polyploids A. E. ZeilingaH. P. Schouten OriginalPaper Pages: 252 - 264
Effect of temperature on the expression of male sterility in Brussels sprouts (Brassica oleracea L. var. Gemmifera DC.) M. Nieuwhof OriginalPaper Pages: 265 - 273
The possibilities of early selection for forcing ability and productivity in tulips J. P. Van EijkS. J. Toxopeus OriginalPaper Pages: 277 - 283
Production of hybrid seed using male sterility or self-incompatibility OriginalPaper Pages: 284 - 288
Polyploidy in garden tulips. II. The production of tetraploids A. E. ZeilingaH. P. Schouten OriginalPaper Pages: 303 - 310
