Allopolyploidization of autopolyploids 2. Manipulation of the chromosome pairing system J. Sybenga OriginalPaper Pages: 433 - 444
Some aspects of cross-pollination in wheat (Triticum aestivum L.) 2. Anther extrusion and ear and plant flowering pattern and duration A. Ph. De Vries OriginalPaper Pages: 445 - 456
Double-bridge hybrids of Solanum bulbocastanum and cultivars of Solanum tuberosum J. G. TH. HermsenM. S. Ramanna OriginalPaper Pages: 457 - 466
The effect of temperature on pollen production in carnations Y. O. KhoJ. Baër OriginalPaper Pages: 467 - 470
The colour of the coleoptile of wheat. 2. A review and geographical distribution of the purple coleoptile of Triticum aestivum A. C. Zeven OriginalPaper Pages: 471 - 478
Polyploidy in the glasshouse cucumber (Cucumis sativus L.) P. E. Grimbly OriginalPaper Pages: 479 - 483
Genetic variation in a large population of tomato varieties. 1. Analysis of distribution of single traits Dvora LapushnerRafael FrankelLouis Guttman OriginalPaper Pages: 484 - 494
Interspecific hybrids between forage rape (Brassica napus L.) and turnip (Brassica campestris L. SSP. Rapifera) as alternatives to forage rape. 1. An exploratory study with single pair crosses G. R. Mackay OriginalPaper Pages: 495 - 499
Selection for high self-incompatibility in inbred lines of brussels sprouts D. J. Ockendon OriginalPaper Pages: 503 - 509
Genetical studies of quantitative characters in peas. 2. A six-parent diallel cross of cultivars and primitive forms Brian SnoadA. E. Arthur OriginalPaper Pages: 510 - 519
The inheritance of apetalous flower type in Petunia hybrida Vilm. and linkage tests with the genes for flower doubleness and grandiflora characters and its use in hybrid seed production K. C. Sink Jr. OriginalPaper Pages: 520 - 526
Additional spontaneous male-sterile mutant in Capsicum annuum L. Chen Shifriss OriginalPaper Pages: 527 - 529
Comparative performance of F1 hybrids and open-pollinated ‘Bell’ pepper varieties (Capsicum annuum L.) under suboptimal temperature regimes Chen ShifrissIrena Rylski OriginalPaper Pages: 530 - 534
Effect of inbreeding on pseudo-self-compatibility in red clover (Trifolium pratense L.) J. F. DuncanM. K. AndersonN. L. Taylor OriginalPaper Pages: 535 - 542
Evaluation of components of field resistance to the Pythium pod rot complex in groundnut (Arachis hypogaea L.) cultivars Z. R. Frank OriginalPaper Pages: 543 - 545
Phenotypic correlations between vegetative characters and yield components in strawberry C. N. D. Lacey OriginalPaper Pages: 546 - 554
Evaluation of breeding semidwarf rice by induced mutation and hybridization Chao-Hwa Hu OriginalPaper Pages: 562 - 574
The inheritance of the naked grain character in oats studied in a cross between the naked variety caesar and the husked variety BO 1/11 P. BolandD. A. Lawes OriginalPaper Pages: 582 - 591
Frequency of euploids in different seed size classes of hexaploid triticale T. Tsuchiya OriginalPaper Pages: 592 - 599
Genotypic differences in flag leaf area and their contribution to grain yield in wheat J. H. MonyoW. J. Whittington OriginalPaper Pages: 600 - 606
Interspecific hybridization in the genus Nicotiana involving a new Australian species N. umbratica Burbidge U. Subhashini OriginalPaper Pages: 607 - 612
The effect of potassium gibberellate and naphtaline acetamide on pod setting in intervarietal crosses of common bean, Phaseolus vulgaris L. A. SarafiB. Yazdi-Samadi OriginalPaper Pages: 615 - 617
Sixth supplementary list of wheat varieties classified according to their genotype for hybrid necrosis and geographical distribution of Ne-genes A. C. Zeven OriginalPaper Pages: 618 - 632