Monohaploids (n=x=12) from autotetraploid Solanum tuberosum (2n=4x=48) through two successive cycles of female parthenogenesis E. W. M. van BreukelenM. S. RamannaJ. G. Th. Hermsen OriginalPaper Pages: 567 - 574
Natural selection in a mixture of eight barley varieties, grown in six successive years. 2. The influence of the harvest date on survival J. G. BlijenburgJ. Sneep OriginalPaper Pages: 575 - 579
A putative heterozygous interchange in the cabbage (Brassica oleracea var. capitata) cultivar ‘Badger Shipper’ B. Y. ChiangW. F. Grant OriginalPaper Pages: 581 - 584
Production of intraspecific aneuploids in the genus Solanum. III. Intraspecific aneuploids R. KesselHeiyoung K. LeeP. R. Rowe OriginalPaper Pages: 585 - 595
Genotype x environment interactions for, heritabilities of, and correlations among quality traits in wheat G. M. BhattN. F. Derera OriginalPaper Pages: 597 - 604
Hereditary changes in Capsicum annuum L. II. Induced by virus-inoculated grafting Yasuo OhtaPhan Van Chuong OriginalPaper Pages: 605 - 611
The use of agar tube culture for early selection for nodulation of Desmodium intortum B. C. Imrie OriginalPaper Pages: 625 - 631
Linkage between a basic gene for anthocyanin pigmentation and a complementary gene for purple septum in rice (Oryza sativa L.) C. V. DhulappanavarShanta R. HiremathG. P. Sathyavathi OriginalPaper Pages: 633 - 638
Selection for resistance to the maize weevil in kernels of maize A. van SchoonhovenE. HorberR. B. Mills OriginalPaper Pages: 639 - 644
Resistance to the glasshouse whitefly (Trialeurodes vaporariorum Westw.) in tomato (Lycopersicon esculentum Mill.) and related species O. M. B. De PontiG. PetN. G. Hogenboom OriginalPaper Pages: 645 - 649
Evaluation of the germ plasm collection of safflower, Carthamus tinctorius L. V. Distribution and regional divergence for morphological characters A. Ashri OriginalPaper Pages: 651 - 659
Indirect selection for tetraploidy in lettuce (Lactuca sativa L.) A. H. EeninkJ. M. Alvarez OriginalPaper Pages: 661 - 668
A successful cross between Phaseolus vulgaris L. and Phaseolus ritensis Jones with the aid of embryo culture J. P. BraakE. Kooistra OriginalPaper Pages: 669 - 679
Preliminary assessment of Crambe germplasm resources E. E. LeppikGeorge A. White OriginalPaper Pages: 681 - 689
Variation of flowering time in inbred brussels sprouts and cabbage (Brassica oleracea L.) T. Hodgkin OriginalPaper Pages: 691 - 698
Natural hybridization among wild, weedy and cultivated Vigna unguiculata (L.) Walp. Kanti M. Rawal OriginalPaper Pages: 699 - 707
Barriers to the hybridization of Passiflora species Fernando R. PayánFranklin W. Martin OriginalPaper Pages: 709 - 716
The addition of a pair of chromosomes of the wild oat Avena barbata (2n=28) to the cultivated oat A. sativa L. (2n=42) Hugh ThomasJ. M. LeggettI. T. Jones OriginalPaper Pages: 717 - 724
Identification of barley strains with improved amino acid balance S. R. ChatterjeeN. S. VermaY. P. Abrol OriginalPaper Pages: 725 - 730
The production of aneudihaploids in Solanum tuberosum L. group Tuberosum (the common potato) M. WagenvoortW. Lange OriginalPaper Pages: 731 - 741
Meiotic doubling of chromosome number in Festulolium J. DijkstraA. L. F. De Vos OriginalPaper Pages: 743 - 749
Clubroot resistance in turnip II. The ‘slurry’ screening method and clubroot races in the Netherlands H. ToxopeusA. M. P. Janssen OriginalPaper Pages: 751 - 755
Germination of Brassica pollen and expression of incompatibility in vitro Thomas E. FerrariD. H. Wallace OriginalPaper Pages: 757 - 765
Host plant control of the inheritance of dinitrogen fixation in the Pisum-Rhizobium symbiosis F. B. Holl OriginalPaper Pages: 767 - 770
Portable powder duster — An aid in cauliflower propagation W. L. SummersS. Honma OriginalPaper Pages: 771 - 773
Inheritance of dwarfism and other characters in rice P. GanashanW. J. Whittington OriginalPaper Pages: 775 - 784
Seed protein electrophoresis of the wild and cultivated species of selection faba of Vicia G. Ladizinsky OriginalPaper Pages: 785 - 788
Break down of unilateral incompatibility through boric acid in cv. Gold of grapes (Vitis vinifera L.) B. S. DaultaJ. P. SinghR. S. Paroda OriginalPaper Pages: 821 - 825
