Breaking breeding barriers in Lycopersicon. 4. Breakdown of unilateral incompatibility between L. peruvianum (L.) Mill. and L. esculentum Mill. N. G. Hogenboom OriginalPaper Pages: 397 - 404
Breaking breeding barriers in Lycopersicon. 5. The inheritance of the unilateral incompatibility between L. peruvianum (L.) Mill. and L. esculentum Mill. and the genetics of its breakdown N. G. Hogenboom OriginalPaper Pages: 405 - 414
Breaking incompatibility of Brassica oleracea L. by steel-brush pollination H. P. J. R. RoggenA. J. Van Dijk BriefCommunication Pages: 424 - 425
Diploid parthenogenesis and androgenesis in diploid Solanum M. M. F. AbdallaJ. G. Th. Hermsen OriginalPaper Pages: 426 - 431
The evaluation of selections of white clover (Trifolium repens L.) inmonoculture and in mixture with grass J. DijkstraA. L. F. De Vos OriginalPaper Pages: 432 - 449
Influence of the environment on the percentage of self-fertilisation in onions and some consequences for breeding Q. P. Van Der MeerJ. L. Van Bennekom OriginalPaper Pages: 450 - 453
Dormancy and chilling requirement of strawberry varieties for early forcing Hester G. KronenbergL. M. Wassenaar OriginalPaper Pages: 454 - 459
Analysis of the uniformity of maturity of one-, two- and three-podded pea varieties E. Drijfhout OriginalPaper Pages: 460 - 467
Plant density effect on expression of heterosis for yield and its components in wheat and F1 versus F3 yields A. C. Zeven OriginalPaper Pages: 468 - 488
Fertility and segregation of the amphidiploid Phaseolus vulgaris L. x P. coccineus L. and its behaviour in backcrosses J. SmarttNazmul Haq OriginalPaper Pages: 496 - 501
The use of computers for information management in plant breeding A. J. RathjenR. R. Lamacraft OriginalPaper Pages: 502 - 506
Inheritance of head splitting in cabbage (Brassica oleracea L. var. capitata L.) M. S. Chiang OriginalPaper Pages: 507 - 509
Resistance to black currant leaf spot (Pseudopeziza ribis) in crosses between Ribes dikuscha and R. nigrum M. M. Anderson OriginalPaper Pages: 510 - 517
Heterosis and its possible exploitation in swedes (Brassica napus L. ssp. rapifera) I. H. McNaughtonIsabel K. Munro OriginalPaper Pages: 518 - 522
Isolation chambers for controlled pollination in grasses F. J. W. England OriginalPaper Pages: 523 - 526
Study of cytoplasmic effects in reciprocal crosses of divergent varieties of maize (Zea mays L.) H. S. KalsyD. Sharma OriginalPaper Pages: 527 - 533
Thorn as a possible genetic marker to distinguish zygotic from nucellar seedlings in citrus P. Spiegel-RoyA. H. Teich OriginalPaper Pages: 534 - 537
Genetic studies of resistance to the cereal cyst nematode (Heterodera avenae) in oats (Avena spp.) J. CottenJ. D. Hayes OriginalPaper Pages: 538 - 542
Transplanting matured head type lettuce for seed production S. HonmaJ. D. Vriesenga OriginalPaper Pages: 543 - 546
Quantitative inheritance of yield and associated factors in spring wheat P. D. Walton OriginalPaper Pages: 553 - 556
