The PMCs of 74 diploid hybrids involving ten H. vulgare varieties and three H. bulbosum lines were analysed at metaphase I and chromosome number and chiasma frequency recorded. There were differences between parental combinations and between plants within those combinations for both chromosome and chiasma number. It is suggested that these characters are controlled by both parents and that differences between plants within families reflect the heterozygosity of the H. bulbosum parents. Chromosomally stable, high pairing lines have been identified for use in a backcrossing programme to introduce H. bulbosum characters to the H. vulgare germplasm.
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Ho KM, Kasha KJ (1975) Genetic control of chromosome elimination during haploid formation in barley. Genetics 81:263–275
Jensen CJ (1976) Barley monoploids and doubled monoploids: techniques and experience. In: Barley genetics, vol III. Proc 3rd Int Barley Genet Symp, pp 316–345
Kasha KJ, Kao KN, Reinbergs E (1970) Genetic control over chromosome stability in hybrids from interspecific Hordeum crosses. Genetics Suppl 64:33
Kasha KJ, Sadasivaiah RS (1971) Genome relationships between H. vulgare L. and H. bulbosum L. Chromosoma 35:264–287
Lange W (1971a) Crosses between Hordeum vulgare L. and H. bulbosum L. 2. Elimination of chromosomes in hybrid tissues. Euphytica 20:181–194
Lange W (1971b) Crosses between Hordeum vulgare L. and H. bulbosum L. 1. Production, morphology and meiosis of hybrids, haploids and dihaploids. Euphytica 20:14–29
Pickering RA (1983) The influence of genotype on doubled haploid barley production. Euphytica 32:863–876
Pickering RA (1984) The influence of genotype and environment on chromosome elimination in crosses between Hordeum vulgare L. X Hordeum bulbosum L. Plant Sci Lett 34:153–164
Pohler W, Szigat G (1982) Versuche zur rekombinativen Genübertragung von der Wildgerste Hordeum bulbosum auf die Kulturgerste H. vulgare. 1. Mitt. Die Rückkreuzung VV X BBVV. Arch Züchtungsforsch Berlin 12:87–100
Szigat G, Pohler W (1982) Hordeum bulbosum X H. vulgare hybrids and their backcrosses with cultivated barley. Cereal Res Commun 10:73–78
Thomas HM, Pickering RA (1983a) Chromosome elimination in Hordeum vulgare X H. bulbosum hybrids. 1. Comparisons of stable and unstable amphiploids. Theor Appl Genet 66:135–140
Thomas HM, Pickering RA (1983b) Chromosome elimination in Hordeum vulgare X H. bulbosum hybrids. 2. Chromosome behaviour in secondary hybrids. Theor Appl Genet 66:141–146
Thomas HM, Pickering RA (1985) Comparisons of the hybrids Hordeum chilense X H. vulgare, H. chilense X H. bulbosum, H. chilense X Secale cereale and the amphidiploid of H. chilense X H. vulgare. Theor Appl Genet 69:519–522
Communicated by R. Riley
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Thomas, H.M., Pickering, R.A. The influence of parental genotype on the chromosome behaviour of Hordeum vulgare X H. bulbosum diploid hybrids. Theoret. Appl. Genetics 71, 437–442 (1985). https://doi.org/10.1007/BF00251184
- Hordeum vulgare X H. bulbosum hybrids
- Chromosome behaviour