Grain yield and its components in spring barley under row and hill plot conditions S. J. ParkE. ReinbergsL. S. P. Song OriginalPaper Pages: 521 - 526
A general method for the analysis of genetic variation in complete and incomplete diallels and North Carolina II designs. Part I: Procedures and general formulas for the random model M. KeulsFrida Garretsen OriginalPaper Pages: 537 - 551
Plant pathosystems: An attempt to elucidate horizontal resistance J. E. Parlevliet OriginalPaper Pages: 553 - 556
Breeding for tolerance to beet-cyst eelworm Heterodera schachtii Schm. in sugarbeet W. HeijbroekJ. S. McfarlaneD. L. Doney OriginalPaper Pages: 557 - 564
Utilization of tom thumb source of pre-harvest sprouting tolerance in a wheat breeding programme G. M. BhattN. F. DereraG. J. Mcmaster OriginalPaper Pages: 565 - 572
Bilateral sexual polyploidization in potatoes A. O. MendiburuS. J. Peloquin OriginalPaper Pages: 573 - 583
2n gametes in potato species and their function in sexual polyploidization Ton P. M. den NijsS. J. Peloquin OriginalPaper Pages: 585 - 600
Cytoplasmic homology between Aegilops mutica Boiss. and Ae. ovata L. S. S. Maan OriginalPaper Pages: 601 - 613
The transfer of the gene for mildew resistance from Avena barbata (4x) into the cultivated oat A. sativa by an induced translocation Taing AungHugh ThomasI. T. Jones OriginalPaper Pages: 623 - 632
Resistance in Cucumis sativus L. to Tetranychus urticae Koch. 1. The role of plant breeding in integrated control O. M. B. De Ponti OriginalPaper Pages: 633 - 640
Resistance in Cucumis sativus L. to Tetranychus urticae Koch. 2. Designing a reliable laboratory test for resistance based on aspects of the host-parasite relationship O. M. B. de Ponti OriginalPaper Pages: 641 - 654
Analysis of the differences in growth between five lettuce cultivars marking the development in lettuce breeding for winter production L. Smeets OriginalPaper Pages: 655 - 659
A test for obligate apomixis in grain sorghum R473 D. R. MarshallR. W. Downes OriginalPaper Pages: 661 - 664
An estimation of homogeneity in crop plants, with special reference to genetic vulnerability in the dry bean, Phaseolus vulgaris L. M. W. Adams OriginalPaper Pages: 665 - 679
Evaluation of three sources of pollen fertility restoration genes and natural outcrossing of cytoplasmic male-sterile wheat C. C. JanD. Hille Ris LambersC. O. Qualset OriginalPaper Pages: 681 - 695
Breeding for improvement of flowering attributes of winterhardy Rosa rugosa hybrids Felicitas Svejda OriginalPaper Pages: 697 - 701
Breeding for improvement of flowering attributes of winterhardy rosa kordesii Wulff hybrids Felicitas Svejda OriginalPaper Pages: 703 - 708
Identification and polymorphism of cultivars and wild ecotypes of safflower based on isozyme patterns Abdollah Bassiri OriginalPaper Pages: 709 - 719
Hybrid Tea-rose pollen. I. Germination and storage T. VisserD. P. De VriesJ. A. M. Scheurink OriginalPaper Pages: 721 - 728
Hybrid Tea-rose pollen. II. Inheritance of pollen viability T. VisserD. P. de VriesG. W. H. Welles OriginalPaper Pages: 729 - 732
A rapid method for early generation selection of dwarf genotypes in wheat Michael D. GaleRichard S. Gregory OriginalPaper Pages: 733 - 738
Flag leaf area in five spring wheat crosses and the relationship to grain yield F. H. McnealM. A. Berg OriginalPaper Pages: 739 - 744
Some consequences of pollen storage in the raspberry (Rubus idaeus L.) A. Dale OriginalPaper Pages: 745 - 748
The production of inbred lines of brussels sprouts with dominant S-alleles D. J. Ockendon OriginalPaper Pages: 749 - 754
The effects of nitrogen level on the performance of Antirrhinum cultivars grown in greenhouse conditions C. L. HedleyA. E. ArthurH. D. Rabinowitch OriginalPaper Pages: 755 - 760
Early selection in hybrid Tea-rose seedlings for cut stem length D. P. De VriesLidwien A. M. Dubois OriginalPaper Pages: 761 - 764
Genetical relationships between reactions to bacterial leaf spot, yellow mosaic and Cercospora leaf spot diseases in mungbean (Vigna radiata) R. P. ThakurP. N. PatelJ. P. Verma OriginalPaper Pages: 765 - 774
The nature of Solanum × chaucha Juz. et Buk., a triploid cultivated potato of the South American Andes M. T. JacksonJ. G. HawkesP. R. Rowe OriginalPaper Pages: 775 - 783
Symbiotic variability in Vicia faba. 3. Genetic effects of host plant, rhizobium strain and of host × strain interaction L. R. MyttonM. H. El-SherbeenyD. A. Lawes OriginalPaper Pages: 785 - 791
Relation in the inheritance of resistance to Pseudoperonospora cubensis rost and Sphaerotheca fuliginea poll. in cucumber (Cucumis sativusl. L.) G. J. A. Van VlietW. D. Meijsing OriginalPaper Pages: 793 - 796
Fitness and yield components associated with genetic changes at the aleurone color loci in barley R. S. SinghS. K. Jain OriginalPaper Pages: 797 - 804
Phylogenetic studies in Citrus reticulata and related types H. C. DassG. S. RandhawaD. Prakash OriginalPaper Pages: 805 - 810
North European cultivars as donors of resistance to American gooseberry mildew in black currant breeding Elizabeth Keep OriginalPaper Pages: 817 - 823
Possibilities of selection for keeping quality in tulip breeding. 2 J. P. Van EijkW. EikelboomL. D. Sparnaaij OriginalPaper Pages: 825 - 828
Inheritance of pigmentation and pod shape in winged bean W. ErskineT. N. Khan BriefCommunication Pages: 829 - 831
Early assessment of processing strawberries for colour Hedley Williams OriginalPaper Pages: 841 - 845