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REFERENCES

  • Asahina, H., Kawatani, T., ONO, M. & Fujita, S. (1957). Studies of poppies and opium. Bull. Narcot., 9, 20.
  • Clausen, J. (1951). Stages in the Evolution of Plant Species. Cornell University Press, Ithaca .
  • Dover, G. A. & Riley, R. (1972). Variation at two loci affecting homoeologous meiotic chromosome pairing in Triticum aestivum × Aegilops mutica hybrids. Nature, Lond., 235, 61.
  • Fedde, F. (1909). Papaveraceae in ‘Das Pflanzenreich’, 4, 104, 366–385. Leipzig.
  • Feinbrun, N. (1963). Taxonomic studies on Papaver Sect. Orthorhoeades of Palestine and of some other Mediterranean countries. Israel J. Bot., 12, 74.
  • Humphreys, M. O. (1975). Some observations on F2 and backcross plants derived from hybrids between Papaver dubium L. and P. lecoqii Lam. New Phytol., 74, 495.
  • Koopmans, A. (1970). Species differentiation in Papaver dubium. New Phytol., 69, 1121.
  • Lawrence, VV. J. C. (1930). Incompatibility in polyploids. Genetica, 12, 269.
  • LÖve, A. & Löve, D. (1944). Cyto-taxonomical studies on Boreal plants, III. Some new chromosome numbers of Scandinavian plants. Ark. Bot., 31A, 1.
  • McNaughton, I. H. (1960). Internal breeding barriers in Papaver. Rep. Scott. Pl. Br. Stn., 76.
  • McNaughton, I. H. & Harper, J. L. (1959a). The comparative biology of closely related species living in the same area. III. The nature of barriers isolating sympatric populations of Papaver dubium and P. lecoqii. New Phytol., 59, 129.
  • McNaughton, I. H. & Harper, J. L. (1959b). The comparative biology of closely related species living in the same area. II. Aberrant morphology and a virus-like syndrome in hybrids between Papaver rhoeas L. and P. dubium L. New Phytol., 59, 27.
  • McNaughton, I. H. & Harper, J. L. (1964). Papaver L. J. Ecol., 52, 767.
  • Philp, J. (1933). The genetics of Papaver commutatum and its hybrids with P. rhoeas. J. Genet., 28, 169.
  • Riley, R. (1960). The diploidization of polyploid wheat. Heredity, 15, 407.
  • Riley, R. & Chapman, V. (1966). Chromosome Manipulation and Plant Genetics. Heredity, 20, Supplement.
  • Riley, R., Unrau, J. & Chapman, V. (1958). Evidence on the origins of the B genome in wheat. J. Hered., 49, 90.
  • Rogers, S. (1969). Studies on British poppies. II. Some observations on hybrids between Papaver rhoeas L. and P. dubium L. Watsonia, 7, 64.
  • Sugiura, T. (1940). Chromosome studies on Papaveraceae with special reference to the phylogeny. Cytologia, 10, 558.