Genotypes and their response to in vitro production of haploids in F1 lines of Nicotiana tabacum U. SubhashiniT. Venkateswarlu Short Communication Pages: 225 - 226
Culture of plant somatic hybrids following electrical fusion G. W. BatesC. A. Hasenkampf OriginalPaper Pages: 227 - 233
Distribution and clustering of two highly repeated sequences in the A and B chromosomes of maize A. ViottiE. PriviteraN. Pogna OriginalPaper Pages: 234 - 239
On the ordered arrangement of the haploid complement in radial metaphases of secondary meiocytes of male grasshoppers, Euchorthippus pulvinatus gallicus B. JódarE. FerrerJ. -R. Lacadena OriginalPaper Pages: 240 - 244
A two-element system controls instability at the An3 locus in Petunia hybrida A. G. M. GeratsM. WallrothF. Bianchi OriginalPaper Pages: 245 - 247
Regeneration of peach plants from callus derived from immature embryos F. A. HammerschlagG. BauchanR. Scorza OriginalPaper Pages: 248 - 251
Wide hybridization: pollination of Zea mays L. by Sorghum bicolor (L.) Moench Y. Heslop-HarrisonB. J. RegerJ. Heslop-Harrison OriginalPaper Pages: 252 - 258
The mutagenic effect of gamma rays on leaf protoplasts of haploid and dihaploid Nicotiana plumbaginifolia, estimated by valine resistance mutation frequencies E. NielsenE. SelvaM. Devreux OriginalPaper Pages: 259 - 264
New hybrids of Hordeum parodii with Hordeum vulgare, H. bogdanii, Agropyron caninum and X Triticosecale P. K. GuptaG. Fedak OriginalPaper Pages: 265 - 270
Identification of the 21 monosomic lines in Avena byzantina C. Koch cv. ‘Kanota’ T. Morikawa OriginalPaper Pages: 271 - 278
Cytogenetics and the major histocompatibility complex in a proliferating microcell-mediated hybrid clone Yan Yongshan OriginalPaper Pages: 279 - 286
Molecular analysis of the inheritance and stability of the mitochondrial genome of an inbred line of maize A. E. OroK. J. NewtonV. Walbot OriginalPaper Pages: 287 - 293
Factors affecting the induction of pollen plants of intergeneric hybrids of Triticum aestivum X Triticum-Agropyron Zhuang JiajunJia XuSun Shancheng OriginalPaper Pages: 294 - 299
Genetic and biochemical studies on flavonoid 3′-hydroxylation in flowers of Petunia hybrida G. StotzP. de VlamingG. Forkmann OriginalPaper Pages: 300 - 305
Genetic diversity in relation to heterosis and combining ability in spring wheat A. K. M. Shamsuddin OriginalPaper Pages: 306 - 308
Intrachromosomal mapping of crossability genes in wheat (Triticum aestivum) L. A. SitchJ. W. SnapeS. J. Firman OriginalPaper Pages: 309 - 314
The influence of composite traits on genotype by environment relations G. Namkoong OriginalPaper Pages: 315 - 317
Sampling bias in estimating Design II variance components with S1 families L. P. JonesW. A. Compton OriginalPaper Pages: 318 - 321
The effects of three genes which modify leaves and stipules in the pea plant B. SnoadL. FruscianteL. M. Monti OriginalPaper Pages: 322 - 329
A study of morphology, cytology and sterility in interspecific hybrids and amphidiploids of Nicotiana knightiana X N. umbratica T. GangadeviP. N. RaoK. V. Satyanarayana OriginalPaper Pages: 330 - 332
