Hostname: page-component-cb9f654ff-r5d9c Total loading time: 0 Render date: 2025-08-30T01:54:41.516Z Has data issue: false hasContentIssue false
  • English
  • Français

Cytogenetical studies in wheat: II. An analysis of chlorophyll abnormalities in hexaploid wheat

Published online by Cambridge University Press:  14 April 2009

R. A. McIntosh  and
E. P. Baker
R. A. McIntosh
Affiliation:
Department of Agricultural Botany, University of Sydney, 2006, N.S.W., Australia
E. P. Baker
Affiliation:
Department of Agricultural Botany, University of Sydney, 2006, N.S.W., Australia
Rights & Permissions [Opens in a new window]

Extract

Core share and HTML view are not available for this content. However, as you have access to this content, a full PDF is available via the ‘Save PDF’ action button.

Following segregation in two unrelated wheat crosses, albinism was associated with chromosome 7B nullisomy which permitted expression of mutant genes on chromosomes other than 7B. The frequencies of albino segregante differed in the two instances, being dependent upon the morphology of the 7B monosome, which was either telocentric 7BL or normal.

A viridis phenotype also segregated from one cross. Its expression was independent of 7B aneuploidy. Failure to obtain lines segregating only for green and viridis phenotypes was due to semi-lethality resulting from the presence of two 7B isochromosomes.

Information

Type
Research Article
Information
Genetics Research , Volume 12 , Issue 1 , August 1968 , pp. 11 - 19
Copyright
Copyright © Cambridge University Press 1968

References

REFERENCES

Froier, K. (1946). Genetical studies on the chlorophyll apparatus in oats and wheat. Hereditas 32, 298–406.Google Scholar
Gustafsson, O. (1956). Studies on the experimental control of the mutation process. Proceedings of the Rodiobiology Symposium Liège, 1954, pp. 282–284. New York: Academic Press.Google Scholar
Hacker, J. B. (1966). The inheritance of chromosome deficiency in Avena sativa monosomics. Can. J. Genet. Cytol. 7, 316–327.Google Scholar
Jensen, N. F. (1957). The inheritance and influence of a dominant chlorophyll deficient character in wheat. Agron. J. 49, 529–531.CrossRefGoogle Scholar
McGinnis, R. C. & Andrews, G. Y. (1962). The identification of a second chromosome involved in chlorophyll production in Avena sativa. Can. J. Genet. Cytol. 4, 1–5.Google Scholar
McGinnis, R. C. & Taylor, D. K. (1961). The association of a gene for chlorophyll production with a specific chromosome in Avena sativa. Can. J. Genet. Cytol. 3, 436–443.CrossRefGoogle Scholar
Morrison, J. W. (1957). Dwarfs, semi-lethals and lethals in wheat. Euphytica, 6, 213–223.CrossRefGoogle Scholar
Natarajan, A. T., Sikka, S. M. & Swaminathan, M. S. (1958). Polyploidy, radiosensitivity and mutation frequency in wheats. Proc. Second U.N. Int. Conf. peaceful Uses atom. Energy, Geneva, vol. XXVII, pp. 321–331.Google Scholar
Neatby, K. W. (1933). A chlorophyll mutation in wheat. J. Hered. 24, 159–162.Google Scholar
Philp, J. (1935). Aberrant albinism in polyploid oats. J. Genet. 30, 267–302.CrossRefGoogle Scholar
Sears, E. R. (1952). The behaviour of isochromosomes and telocentrics in wheat. Chromosoma 4, 551–562.Google Scholar
Sears, E. R. (1954). The aneuploids of common wheat. Bull. Mo. agric. Exp. Stn no. 572, 59 pp.Google Scholar
Sears, E. R. (1957). Effect of chromosomes XII and XVI on the action of Neatby's virescent. Wheat Inf. Serv. Kyoto Univ. 6, 1.Google Scholar
Steinitz-Sears, L. M. (1966). Somatic instability of telocentric chromosomes in wheat and the nature of the centomere. Genetics 54, 241–248.Google Scholar
Von Wettstein, D. (1961). Nuclear and cytoplasmic factors in development of chloroplast structure and function. Can. J. Botany, 39, 1537–1545.CrossRefGoogle Scholar