• Beddows, A. R. (1959). Biological flora of the British Isles Dactylis gtomerata L. Journal of Ecology 47, 223239.
  • Borbill, M. (1977). Evolution and genetic resources in cocksfoot. Welsh Plant Breeding Station Annual Report, 190209.
  • Boyce, K. G., Cole, D. F., & Chii.Cote, D. O. (1976). Effect of temperature and dormancy on germination of tall fescue. Crop Science 16, 1518.
  • Finney, D. J. (1971). Probit Analysis 3rd Edn. Cambridge University Press, Cambridge .
  • Gramshaw, D. (1976). Temperature/light interactions and the effect of seed source on germination of annual ryegrass (Lolium rigidum Gaud.) seeds. Australian Journal of Agricultural Reseach 27, 779786.
  • Grant Lipp, A. E., & Ballard, L- A. T. (1963). Germination patterns shown by the light sensitive seed of Anagalhs arvensts. Australian Journal of Biological Science, 16, 572584.
  • Gutterman, Y. (198081). Influences on seed germinahility. Phenotypic maternal effects during seed maturation. Israel Journal of Botany 29, 105117.
  • Laude, H. M. (1962). Fresh seed dormancy in annual grasses. California Agriculture, 16, 3.
  • Mcwilliams, E. L., Landebs R., & Mahlstede, J. P. (1968). Variation in seed weight and germination in populations of Amarnthus retroftexus L. Ecology 49, 290296.
  • Naylor, J. M., & Jana, S. (1976). Genetic adaption for seed dormancy in Avena fatua. Canadian Journal of Botany, 54, 306312.
  • Paterson, J. G-, Goodchild, N. A., & Boyd, W. J. R. (1976). Effect of storage temperature, storage duration and germination temperature on the dormancy of seed of Avena fatua L. and A. barbata Pott. ex Link. Australian Journal of Agricultural Research 27, 373379.
  • Probert, R. J. (1983). Germination studies in European populations of Dactylis glomerata L. Ph.D. thesis, C.N.A.A.
  • Probert, R-J., Smith, R. D, & Birch, P. (1985). Germination responses to light and alternating temperatures in European populations of Dactvlis glomerata L. I. Variability in relation to origin. The New Phytologist 99, 305316.
  • Qvinn, J. A., & Colosi, J. C. (1977). Separating genotype from environment in germination ecology studies. American Midland Naturalist 97, 484489.
  • Richards, F. J. (1941). The diagrammatic representation of results of physiological and other experiments designed factorially. Annals of Botany 5, 249261.
  • Shimizi, N., Komatsy, T., & Ikegaya, F. (1979). Studies on seed development and ripening, in temperate grasses. II. Effects of temperature on seed development and ripening and germination behaviour in orchard grass (Dactvlis glomerata) and Italian ryegrass (Lolium multiftarum). Bulletin of the National Grassland Research Institute 15, 7087.
  • Vincent, E. M., & Roberts, E. H. (1977). The interaction of light intrate and alternating temperatures in promoting the germination of dormant seeds of common weed species. Seed Science and Technology, 5 659670.
  • Vonabrams, G. J., & Hand, M. E. (1956). Seed dormancy in Rosa as a function of climate. American Journal of Botany 43, 712.