| Acknowledgements The senior author is grateful to the Agricultural and Food Research Council for funding this research. References FALK, D.E. & K.J. KASHA. 1981. Comparison of the crossability of rye (Secale cereale) and Hordeum bulbosum onto wheat (Triticum aestivum). Can. J. Genet. Cytol. 23: 81-88. FALK, D.E. & K.J. KASHA. 1983. Genetic studies of the crossability of hexaploid wheat with rye and Hordeum bulbosum. Theor. Appl. Genet. 64: 303-307. FEDAK, G. & P.Y. JUI. 1982. Chromosomes of Chinese Spring wheat carrying genes for crossability with Betzes barley. Can. J. Genet. Cytol. 24: 227-233. KROWLOW, K.D. 1970. Untersuchungen uber die Kreuzbarkeit zwischen Weizen und Roggen. Z. Pflanzenzucht 64: 44-72. LARTER, E. & C. CHAUBEY. 1965. Use of exogenous growth substances in promoting pollen tube growth and fertilization in barley x rye erosses. Can. J. Genet. Cytol. 7: 511-518. LAW, C.N., A.J. WORLAND & B. GIORGI. 1976. The genetic control of ear emergence time by chromosomes 5A and 5D of wheat. Heredity 36: 49-58. LEIN, A. 1943. Die genetische grundlage der Kreuzbarkeit zwischen Weizen und Roggen. Z. Indukt. Abstamm. Verebungsl. 81: 28-61. RILEY, R & V. CHAPMAN. 1967. The inheritance in wheat of crossability with rye. Genet. Res. 9: 259-267. SITCH, L.A. 1984. The production and utilization of wheat doubled haploids from the interspecific cross with Hordeum bulbosum. Ph. D. thesis, University of Cambridge, England. SITCH, L.A., J.W. SNAPE & S.J. FIRMAN. 1985. Intrachromosomal mapping of crossability genes in wheat (Triticum aestivum). Theor. Appl. Genet. 70: 309-314. SITCH, L.A. & J.W. SNAPE. 1986. Factors affecting haploid production in wheat using the Hordeum bulbosum system. 1. Genotypic and environmental effects on pollen grain germination and pollen tube growth and the frequency of fertilization. Submitted to Euphytica. SNAPE, J.W. & E. SIMPSON. 1980. Crossability of wheat with Hordeum bulbosum. In "Plant Breeding Institute Annual Report", Cambridge p66. SNAPE, J.W., V. CHAPMAN, J. MOSS, C.E. BLANCHARD & T.E. MILLER. 1979. The crossabilities of wheat varieties with Hordeum bulbosum. Heredity 42: 291-298. |
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