Successful hybridization of non-tuberous Solanum etuberosum Lind. and tuberbearing S. pinnatisectum Dun. J. G. Th. HermsenL. M. Taylor OriginalPaper Pages: 1 - 7
Unique meiotic behaviourin F1 plants from a cross between a non-tuberous and a tuberous Solanum species in section Petota M. S. RamannaJ. G. Th. Hermsen OriginalPaper Pages: 9 - 15
Associations among productivity, production response, and stability indexes in oat varieties I. LangerK. J. FreyT. Bailey OriginalPaper Pages: 17 - 24
Inter-varietal pollen tube growth and ovule penetration in the avocado M. Sedgley OriginalPaper Pages: 25 - 35
The somatic karyotype of cabbage (Brassica oleracea ssp. capitata) B. Y. ChiangW. F. GrantM. S. Chiang OriginalPaper Pages: 41 - 45
Location of a high-lysine gene and the DDT-resistance gene on barley chromosome 7 Jens Jensen OriginalPaper Pages: 47 - 56
Triple fusion of the primary endosperm nucleus as a cause of interspecific cross-incompatibility in Avena Ichizo NishiyamaTomosaburo Yabuno OriginalPaper Pages: 57 - 65
Breeding for resistance to fusarium oxysporumF. SP. tulipae in tulip (tulipaL.).2. phenotypic and genotypic evaluation of cultivars J. P. van EijkFrida GarretsenW. Eikelboom OriginalPaper Pages: 67 - 71
Inheritance of peroxidase isozymes in mulberry (Morus spp.) Hisashi HiranoKeisaku Naganuma OriginalPaper Pages: 73 - 79
Standard errors of heritabilities based on perennial observations, with application to Yorkshire Fog grass I. L. Gordon OriginalPaper Pages: 81 - 88
Stem solidness and its relationship to grain yield in 17 spring wheat crosses F. H. McNealM. A. Berg OriginalPaper Pages: 89 - 91
The effect of the lateral suppressor gene on seed germination in the tomato I. B. Taylor OriginalPaper Pages: 93 - 97
The potential of ripening mutants for extending the storage life of the tomato fruit E. KopeliovitchH. D. RabinowitchN. Kedar OriginalPaper Pages: 99 - 104
Radiation induced chimeric rearrangement in flower structure of Rhododendron simsii Planch. (Azalea indica L.). Use of recurrent irradiation R. De Loose OriginalPaper Pages: 105 - 113
The response to saprol (systemic fungicide) in lettuce species and cultivars and its inheritance D. GlobersonR. Eliasi OriginalPaper Pages: 115 - 118
The characteristics and stability of a range of Cox's Orange Pippin apple mutants showing different growth habits C. N. D. LaceyA. I. Campbell OriginalPaper Pages: 119 - 126
Superior performance of two homozygous diploid lines from naturally occurring polyhaploids in oilseed rape (Brassica napus) K. F. Thompson OriginalPaper Pages: 127 - 135
Multiline cultivars — how their resistance influence leaf rust diseases in wheat J. K. LuthraM. V. Rao OriginalPaper Pages: 137 - 144
Multiline varieties and disease control. II. The ‘dirty crop’ approach with components carrying two or more genes for resistance D. R. MarshallA. J. Pryor OriginalPaper Pages: 145 - 159
Selecting superior spring wheat crosses in early generations H. G. Nass OriginalPaper Pages: 161 - 167
Geneticanalysis of drought stress response in rapeseed (Brassica campestris and B. Napus). II. Yield improvement and the application of selection indices R. A. RichardsN. Thurling OriginalPaper Pages: 169 - 177
Inheritance of internode length, plant form, and annual habit in a cross of cabbage and broccoli (Brassica oleracea var. capitata L. and var. italica Plenck.) P. J. PelofskeJ. R. Baggett OriginalPaper Pages: 189 - 197