A two-loci system of gametophytic incompatibility in Solanum phureja and S. stenotomum M. M. F. AbdallaJ. G. Th. Hermsen OriginalPaper Pages: 345 - 350
The concept of breeding for uniform and differential resistance and their integration M. M. F. AbdallaJ. G. Th. Hermsen OriginalPaper Pages: 351 - 361
Earliness of flowering and fruiting of forty strawberry varieties; A statistical study J. H. A. Ferguson OriginalPaper Pages: 362 - 370
The importance of photoperiodic response for the breeding of glasshouse spinach J. A. Huyskes OriginalPaper Pages: 371 - 379
Notes on species delimination, species relationships and polyploidy in Avena L. G. LadizinskyD. Zohary OriginalPaper Pages: 380 - 395
Investigation of the action of the X locus in the tomato J. D. VriesengaS. Honma OriginalPaper Pages: 396 - 399
Complementary competition in cultivated barley (Hordeum vulgare L.) H. L. EarlyC. O. Qualset OriginalPaper Pages: 400 - 409
Evaluation of the world collection of safflower, Carthamus tinctorius L. II. Resistance to the safflower fly, Acanthophilus helianthi R. A. Ashri OriginalPaper Pages: 410 - 415
The use of factor analysis in determining characters for yield selection in wheat P. D. Walton OriginalPaper Pages: 416 - 421
Resistance to gall mite (Phytoptus ribis Nal.) in the eucoreosma section of Ribes M. M. Anderson OriginalPaper Pages: 422 - 426
Could uniform resistance be ‘generated’? stimulative speculations M. M. F. Abdalla BriefCommunication Pages: 427 - 429
Isolation of viable F1 seeds of some interspecific crosses by X-ray photography S. K. Banerjee OriginalPaper Pages: 430 - 434
Leaf and stem rust resistance of hexaploid wheat cultivars salzmünder bartweizen and weique P. BartošI. Bareš OriginalPaper Pages: 435 - 440
Genetic analysis of stem rust resistance in three cultivars of wheat S. RajaramN. H. LuigI. A. Watson OriginalPaper Pages: 441 - 452
Early generation selection for yield and breadmaking quality of hard red spring wheat (Triticum aestivum L. em thell.) K. G. BriggsL. H. Shebeski OriginalPaper Pages: 453 - 463