Some facts about plant breeding before the discovery of mendelism J. Sneep OriginalPaper Pages: 135 - 140
Some testing procedures and research experiences on resistance to Bremia lactucae regel in lettuce C. M. Rodenburg OriginalPaper Pages: 141 - 148
Crossability, fertility and cytogenetic studies in Solanum acaule × Solanum bulbocastanum J. G. Th. Hermsen OriginalPaper Pages: 149 - 155
A study of diallel crosses between varieties of nicotiana tabacum L. for yield components D. M. GopinathV. V. RamanaraoC. L. Narayana OriginalPaper Pages: 171 - 178
A gene action model to explain gametophytic self-incompatibility Peter D. Ascher OriginalPaper Pages: 179 - 183
Genetic studies in four interspecific hybrids of the genus oryza N. M. NayarR. GopalakrishnanS. Sampath OriginalPaper Pages: 184 - 194
Pollen germination in pyrus species and species hybrids Q. B. ZielinskiM. M. Thompson OriginalPaper Pages: 195 - 198
New R genes in Solanum demissum lindl. And their complementary races of Phytophthora infestans (Mont.) de bary Jean F. MalcolmsonWilliam Black OriginalPaper Pages: 199 - 203
The induction of mutations in chrysanthemum using X- and gamma radiation G. J. DowrickA. El Bayoumi OriginalPaper Pages: 204 - 210
Varietal relationships of growth factors of young cacao seedlings J. C. AscensoB. G. D. Bartley OriginalPaper Pages: 211 - 223
Some implications of genotype-herbicide interactions in the breeding of lolium perenne C. E. Wright OriginalPaper Pages: 229 - 238
SR 15 — A new gene for use in the classification of puccinia graminis var. tritici I. A. WatsonN. H. Luig OriginalPaper Pages: 239 - 247
Selfing and selection in alfalfa breeding programmes A. PanellaF. Lorenzetti OriginalPaper Pages: 248 - 257
Outlines of the oil palm breeding programme in Portuguese Guinea J. C. Ascenso OriginalPaper Pages: 268 - 277
