Barriers to hybridization of Solanum bulbocastanum Dun. and S. Verrucosum Schlechtd. and structural hybridity in their F1 plants J. G. Th. HermsenM. S. Ramanna Articles Pages: 1 - 10
Mutation breeding of Chrysanthemum morifolium Ram. using in vivo and in vitro adventitious bud techniques C. BroertjesS. RoestG. S. Bokelmann Articles Pages: 11 - 19
Repeatability of regression stability indexes for grain yield of oats (Avena sativa L.) Tunde FatunlaK. J. Frey Articles Pages: 21 - 28
Breeding parthenocarpic pickling cucumbers (Cucumis sativus L.): Necessity, genetical possibilities, environmental influences and selection criteria O. M. B. de Ponti Articles Pages: 29 - 40
Development of a seedling screening test for predicting relative grain protein content in oats David P. HolmesVernon D. Burrows Articles Pages: 51 - 64
Genetic analysis of hexaploid wheat, Triticum aestivum using intervarietal chromosome substitution lines—protein content and grain weight G. M. Halloran Articles Pages: 65 - 71
Breeding for resistance to cereal cyst nematode in wheat J. A. M. BrownS. E. Ellis Articles Pages: 73 - 82
Levels of self-incompatibility in wallflower, Cheiranthus cheiri L. L. E. Watts Articles Pages: 83 - 88
Self-fertility and the distribution of seed yield in Vicia faba L. Marilyn E. AdcockD. A. Lawes Articles Pages: 89 - 96
Genetic analysis of the response to day length in rice P. GanashanW. J. Whittington Articles Pages: 107 - 115
Evaluation of maize varieties for their potential as breeding populations Arnel R. HallauerDunstan Malithano Articles Pages: 117 - 127
Perspectives of breeding for resistance to ‘yellow disease’, Xanthomonas hyacinthi(Wakker)Dowson, in hyacinths (Hyacinthus L.) J. P. van EijkA. C. van der GiessenS. J. Toxopeus Articles Pages: 131 - 138
Isolation, fusion and multiplication of sugarcane protoplasts and comparison of sexual and parasexual hybridization M. Krishnamurthi Articles Pages: 145 - 150
A comparative study on anther development in male-fertile and male-sterile plants of Pelargonium crispumL'Her. ex Ait. S. Tokumasu Articles Pages: 151 - 159
Inbred lines with dominant incompatibility alleles for use as parents of F1 hybrid brussels sprouts A. G. JohnsonJanet Blyton-Conway Articles Pages: 175 - 183
Early determination of genotypes for apple scab resistance by forced flowering of test cross progenies Herb S. AldwinckleH. L. GustafsonR. C. Lamb Articles Pages: 185 - 191
Nitrate reductase and its relationship to protein and yield characteristic of triticale B. SinghV. T. SapraJ. A. Patel Articles Pages: 193 - 199
Distribution of essential oils in leaf tissue of an F2 population of Citrus Rainer W. ScoraAsim EsenJunji Kumamoto Articles Pages: 201 - 209
Inter-genotypic plant competition in wheat under single seed descent breeding N. N. Roy Articles Pages: 219 - 223
Evaluation of the germ plasm collection of safflower, Carthamus tinctorius L. VII. Variability of capitulum width and outer involucral bracts' dimensions A. AshriA. L. UrieD. E. Zimmer Articles Pages: 225 - 229
Identification of the trisomic series in diploid Solanum tuberosum L., group tuberosum. I. Chromosome identification M. S. RamannaM. Wagenvoort Articles Pages: 233 - 240
Partial resistance of barley to leaf rust, Puccinia hordei. III. The inheritance of the host plant effect on latent period in four cultivars J. E. Parlevliet Articles Pages: 241 - 248
The genetics of seedling resistance to leaf rust, Puccinia hordeiOtth. in some spring barley cultivars J. E. Parlevliet Articles Pages: 249 - 254
Seventh supplementary list of wheat varieties classified according to their genotype for hybrid necrosis and geographical distribution of Ne-genes A. C. Zeven Articles Pages: 255 - 276
Are there heteromorphic sex chromosomes in spinach (Spinacia oleracea L.)? M. S. Ramanna Articles Pages: 277 - 284
Lilium x ‘Black Beauty’—a potential bridging hybrid in Lilium W. G. RonaldP. D. Ascher Articles Pages: 285 - 291
Gibberellic acid as a gametocide for the common onion (Allium cepa L.). II. The effect of GA 4/7 Q. P. van der MeerJ. L. van Bennekom Articles Pages: 293 - 296
Is DTT a means to improve the mutation spectrum of vegetatively propagated plants? C. Broertjes Articles Pages: 305 - 312
Genetic segregation of the deformed flower gene in trisomics of Solanum chacoense Heiyoung K. LeeRichard W. Ruhde Articles Pages: 313 - 320
Breeding for resistance to Phialophora cinerescens (Wr.) van Beyma in glasshouse carnations (Dianthus caryophyllus L.) L. D. SparnaaijJ. F. Demmink Articles Pages: 329 - 338
A comparison of apple and pear seedlings with reference to the juvenile period. II. Mode of inheritance T. Visser Articles Pages: 339 - 342
A comparison of apple and pear seedlings with reference to the juvenile period I. Seedling growth and yield T. VisserJ. J. VerhaeghD. P. de Vries Articles Pages: 343 - 351
Possibilities of selection for keeping quality in tulip breeding J. P. van EijkW. Eikelboom Articles Pages: 353 - 359
Chemically induced sterility in wheat for hybrid seed production C. C. JanC. O. QualsetH. E. Vogt Articles Pages: 375 - 386
Frequency of control plots in screening nurseries for protein content A. HadjichristodoulouA. Della Articles Pages: 387 - 391
Tissue and cell culture as AIDS to sugarcane breeding. I. Creation of genetic variation through callus culture Ming-Chin LiuWen-Huei Chen Articles Pages: 393 - 403