Reflections on the origin of new physiologic races in phytophthora infestans and the breeding for resistance in potatoes H. J. Toxopeus OriginalPaper Pages: 221 - 237
Some effects of the photoperiod on the shoot growth of cherry seedlings L. Smeets OriginalPaper Pages: 238 - 244
Interrelation of alkaloid content and stage of development of 1- and 2-year-old Atropa belladonna L. G. ElzengaJ. W. de Bruyn OriginalPaper Pages: 259 - 266
Computation of heat unit accumulations in maize for practical application F. J. Dijkhuis OriginalPaper Pages: 267 - 275
Influence of the temperature on growth and alkaloid content of first-year Atropa belladonna L. G. ElzengaL. SmeetsJ. W. De Bruyn OriginalPaper Pages: 276 - 280
Improvement of the homogeneity of the barley variety balder P. Schelling OriginalPaper Pages: 281 - 288
Experiences with the breeding of red clover resistant to the stem eelworm J. Dijkstra OriginalPaper Pages: 298 - 307
Constituent assembly and first congress of the European association for research on plant breeding held at Wageningen (The Netherlands) on 2, 3 and 4 July 1956 OriginalPaper Pages: 323 - 328
Some applications of Binomial Probability Paper in genetic analyses J. H. A. Ferguson OriginalPaper Pages: 329 - 338
Studies on colchicine induced tetraploids of jute S. D. ChaudhuriA. M. EunusM. A. Jabbar OriginalPaper Pages: 339 - 346
Mildew-resistant barley mutants induced by X-rays H. HänselJ. Zakovsky OriginalPaper Pages: 347 - 352
