A re-examination of the mechanisms of 2n gamete formation in potato and its implications for breeding M. S. Ramanna OriginalPaper Pages: 537 - 561
Meiotic chromosome and pollen morphological studies of polyploid Cucumis species Fenny DaneT. Tsuchiya OriginalPaper Pages: 563 - 567
Resistance in Cucumis sativus L. to Tetranychus urticae Koch. 5. raising the resistance level by the exploitation of transgression O. M. B. de Ponti OriginalPaper Pages: 569 - 577
Production and genetic characterization of the co-isogenic lines of a common wheat Triticum aestivum CV. S-615 for ten major genes K. TsunewakiT. Koba OriginalPaper Pages: 579 - 592
Growth analysis in a reduced leaf mutant of common bean (Phaseolus vulgaris L.) M. MottoG. P. SoressiF. Salamini OriginalPaper Pages: 593 - 600
Co-heritability: Its relation to correlated response, linkage, and pleiotropy in cases of polygenic inheritance M. J. J. Janssens OriginalPaper Pages: 601 - 608
The use of empty hard gelatin capsules in controlled pollinations Short Communication Pages: 609 - 610
Investigations on the inheritance of color and carotenoid content in phloem and xylem of carrot roots (Daucus carota L.) J. G. BuishandW. H. Gabelman OriginalPaper Pages: 611 - 632
Identification of the trisomic series in diploid Solanum tuberosum L. group Tuberosum. II. Trivalent configurations at pachytene stage M. WagenvoortM. S. Ramanna OriginalPaper Pages: 633 - 642
Heading behaviour in Japan of Turkish populations of cocksfoot, Dactylis glomerata L. Jiro AbeS. Kawabata OriginalPaper Pages: 643 - 649
An analysis of genes for resistance against Indian stem rust races in two bread wheat cultivars R. N. SawhneyV. L. ChopraM. S. Swaminathan OriginalPaper Pages: 651 - 660
Potential use of cimmyt gene pool material for improving low-temperature adaptation in Zea mays P. Miedema Short Communication Pages: 661 - 664
Studies on the amylose content and gelatinisation temperature in certain local cultivars and induced grain shape mutants in rice G. M. ReddyA. K. Sarala OriginalPaper Pages: 665 - 674
Variation in progenies of an Arachis hypogaea x diploid wild species hybrid H. T. StalkerJ. C. WynneM. Company OriginalPaper Pages: 675 - 684
The nature of the Bolivian weed potato species Solanum sucrense Hawkes D. AstleyJ. G. Hawkes OriginalPaper Pages: 685 - 696
Increasing mutagenic efficiency of gamma-radiation in rice by irradiation of seeds at extremely low temperature H. NakaiM. Saito OriginalPaper Pages: 697 - 704
In vitro induction of tetraploid plants from colchicine-treated diploid daylily callus C. H. ChenYvonne C. Goeden-Kallemeyn OriginalPaper Pages: 705 - 709
Genetic and environmental effects on vitreousness of durum wheat A. Hadjichristodoulou OriginalPaper Pages: 711 - 716
Gibberellic acid as a gametocide for cole crops Q. P. van der MeerR. Van Dam OriginalPaper Pages: 717 - 722
Interspecific hybridization in Cucumis (L.). I. Need for genetic variation, biosystematic relations and possibilities to overcome crossability barriers G. H. KroonJ. B. M. CustersH. Q. Varekamp OriginalPaper Pages: 723 - 728
The application of the diallel cross to outbreeding crop species M. D. Hayward OriginalPaper Pages: 729 - 737
Importance of sepals in fruit and seed development in linseed (Linum usitatissimum L.) D. P. S. TomarP. S. DeshmukhS. K. Sinha OriginalPaper Pages: 739 - 745
Genotype-environment relationships for repening time in blackberries and prospects for breeding an early ripening cultivar for Scotland D. L. Jennings OriginalPaper Pages: 747 - 750
A rapid colorimetric method for screening black currant juices for vitamin C content G. R. Andrews Short Communication Pages: 751 - 753
Genetic analysis of drought stress response in rapeseed (Brassica campestris and B. Napus). III. physiological characters R. A. RichardsN. Thurling OriginalPaper Pages: 755 - 759
Male sterility in beans (Phaseolus vulgaris L.) H. A. van RheenenS. G. S. MuigaiD. K. Kitivo OriginalPaper Pages: 761 - 763
The production of homozygous diploid plants of Solanum verrucosum by tissue culture techniques M. A. WeatherheadG. G. Henshaw OriginalPaper Pages: 765 - 768
Physiological studies on grass-dwarf selection lines in wheat (Triticum aestivum L.) K. MooreI. R. Cubitt OriginalPaper Pages: 769 - 778
Peroxidase activity as a possible test for distinguishing s-plasm from n-plasm in sugar beet (Beta vulgaris L.) C. M. GeorgescuD. RömerGh. Olteanu OriginalPaper Pages: 779 - 784
A genealogical database for plant propagation records P. A. ClarkeB. Casiero OriginalPaper Pages: 785 - 792
Cytogenetic studies on the F1 hybrid Solanum incanum L. x Solanum melongena L. variety ‘Giant of Banaras’ Shamim Baksh OriginalPaper Pages: 793 - 800
A plant ideotype for Bromus inermis Leyss. in Western Canada P. D. WaltonC. Murchison OriginalPaper Pages: 801 - 806
Complete or incomplete dominance of resistance of the oat cultivar Delphin as a function of crown rust culture J. Šebesta OriginalPaper Pages: 807 - 809
