SEARCH

SEARCH BY CITATION

REFERENCES

  • Heydecker, W. (1972). Vigour. In: Viability of Seeds (Ed. by E. H.Roberts), p. 209. Chapman and Hall, London .
  • LEA, D. E. (1955). Actions of Radiations on Living Cells. 2nd edn. Cambridge University Press, London .
  • Lucke, W. H. & Sarachek, A. (1953). X-ray inactivation of polyploid Saccharomyces. Nature, Lond., 171, 1014.
  • Manton, I. (1950). Problems of Cytology and Evolution in the Pteridophyta. Cambridge University Press, London .
  • Miller, J. H. (1968). Fern gametophytes as experimental material. Bot. Rev., 34, 361.
  • Norman, A. (1951). Inactivation of Neurospora conidia by ultraviolet radiation. Expl Cell Res., 2, 454.
  • Roberts, E. H. (1972a). Storage environment and the control of viability. In: Viability of Seeds (Ed. by E. H.Roberts), p. 14. Chapman and Hall, London .
  • Roberts, E. H. (1972b). Cytological, genetical and metabolic changes associated with loss of viability. In Viability of Seeds (Ed. by E. H.Roberts), p. 253. Chapman and Hall, London .
  • Roberts, E. H. (1972c). Loss of viability and crop yields. In: Viability of Seeds (Ed. by E. H.Roberts), p. 307. Chapman and Hall, London .
  • Roberts, E. H. (1973a). Predicting the storage life of seeds. Seed Sci. & Technol., 1, 499.
  • Roberts, E. H. (1973b). Loss of viability: ultrastructural and physiological aspects. Seed Sci. & Technol., 1, 529.
  • Roberts, E. H., Abdalla, F. H. & Owen, R. J. (1967). Nuclear damage and the ageing of seeds with a model for seed survival curves. Symp. Soc. exp. Biol., 21, 65.
  • Shivas, M. G. (1961a). Contributions to the cytology and taxonomy of species of Polypodium in Europe and America. I. Cytology, J. Linn. Soc, 58, 13.
  • Shivas, M. G. (1961b). Contributions to the cytology and taxonomy of species of Polypodium in Europe and America. II. Taxonomy. J. Linn. Soc, 58, 27.
  • Smith, D. L. & Robinson, P. M. (1969). The effects of fungi on morphogenesis of gametophytes of Polypodium vulgare L. New Phytol., 68, 113.
  • Smith, D. L. & Robinson, P. M. (1971). Growth factors produced by germinating spores of Polypodium vulgare L. New Phytol., 70, 1043.
  • Smith, D. L., Robinson, P. M. & Govier, R. N. (1973). Growth factors produced by gametophytes of Polypodium vulgare L. grown under red and blue light. New Phytol., 72, 1261.
  • Smith, D. L. & Rogan, P. G. (1970). The effects of population density on gametophyte morphogenesis in Polypodium vulgare L. New Phytol., 69, 1039.
  • Villiers, T. A. (1973). Ageing and the longevity of seeds in field conditions. In: Seed Ecology (Ed. by W.Heydecker), p. 265. Proc 19th Easter School in Agricultural Science, University of Nottingham.