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International Journal of Agronomy
Volume 2010 (2010), Article ID 515807, 5 pages
http://dx.doi.org/10.1155/2010/515807
Research Article

Responses of Three Bromegrass (Bromus) Species to Defoliation under Different Growth Conditions

1Department of Plant Sciences, University of Saskatchewan, 51 Campus Drive, Saskatoon, SK, Canada S7N 5A8
2Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, Swift Current, SK, Canada S9H 3X2

Received 30 June 2010; Accepted 24 August 2010

Academic Editor: Rodomiro Ortiz

Copyright © 2010 B. Biligetu and Bruce Coulman. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. R. P. Knowles, V. S. Baron, and D. H. McCartney, Meadow Bromegrass, vol. 188/E, Agriculture Canada Publ., Ottawa, Canada, 1993.
  2. M. D. Casler and I. T. Carlson, “Smooth bromegrass,” in Forages: An Introduction to Grass Land Agriculture, R. F. Barnes et al., Ed., vol. 1, pp. 313–324, Iowa State University Press, Ames, Iowa, USA, 5th edition, 1995. View at Google Scholar
  3. B. Coulman, “Knowles hybrid bromegrass,” Canadian Journal of Plant Science, vol. 84, no. 3, pp. 815–817, 2004. View at Google Scholar · View at Scopus
  4. G. A. Van Esbroeck, V. S. Baron, and J. R. King, “Regrowth of bromegrass species, a bromegrass interspecific hybrid, and meadow foxtail in a short-season environment,” Agronomy Journal, vol. 87, no. 2, pp. 244–251, 1995. View at Google Scholar · View at Scopus
  5. W. P. McCaughey and R. G. Simons, “Harvest management and N-fertilization effects on yield and regrowth of smooth bromegrass, crested wheatgrass, and meadow bromegrass in the eastern prairies,” Canadian Journal of Plant Science, vol. 76, no. 4, pp. 773–782, 1996. View at Google Scholar · View at Scopus
  6. J. R. Pearen and V. S. Baron, “Productivity, and composition of smooth and meadow bromegrass mixtures with alfalfa under frequent cutting management,” Canadian Journal of Plant Science, vol. 76, no. 4, pp. 763–771, 1996. View at Google Scholar · View at Scopus
  7. H. A. Lardner, S. B. M. Wright, and R. D. H. Cohen, “Assessing eight grass species for pasture by measuring etiolated spring regrowth,” Canadian Journal of Plant Science, vol. 83, no. 3, pp. 551–554, 2003. View at Google Scholar · View at Scopus
  8. R. H. M. Langer, How Grasses Grow, Edward Arnold, London, UK, 1972.
  9. W. W. Wilhelm and G. S. McMaster, “Importance of the phyllochron in studying development and growth in grasses,” Crop Science, vol. 35, pp. 1–3, 1995. View at Google Scholar
  10. F. Volaire, H. Thomas, N. Bertagne, E. Bourgeois, M.-F. Gautier, and F. Lelièvre, “Survival and recovery of perennial forage grasses under prolonged Mediterranean drought: II. Water status, solute accumulation, abscisic acid concentration and accumulation of dehydrin transcripts in bases of immature leaves,” New Phytologist, vol. 140, no. 3, pp. 451–460, 1998. View at Publisher · View at Google Scholar · View at Scopus
  11. J. W. Ashmun and L. F. Pitelka, “Light-induced variation in the growth and dynamics of transplanted ramets of the understory herb, Aster acuminatus,” Oecologia, vol. 64, no. 2, pp. 255–262, 1984. View at Publisher · View at Google Scholar · View at Scopus
  12. J. J. Casal, R. A. Sanchez, and V. A. Deregibus, “Tillering responses of Lolium multiflorum plants to changes of red/far red ratio typical of sparse canopies,” Journal of Experimental Botany, vol. 38, pp. 1432–1439, 1987. View at Google Scholar
  13. G. R. Shaver, F. S. Chapin III, and B. L. Gartner, “Factors limiting seasonal growth and peak biomass accumulation in Eriophorum vaginatum in Alaskan tussock tundra,” Journal of Ecology, vol. 74, no. 1, pp. 257–278, 1986. View at Google Scholar · View at Scopus
  14. D. D. Briske, “Plant response to defoliation: morphological considerations and allocation priorities,” in Rangelands: A Resource under Siege, P. J. Joss, P. W. Lynch, and O. B. Williams, Eds., pp. 425–427, Aust. Acad. Sci., Canberra, Canada, 1986. View at Google Scholar
  15. D. N. Hyder, “Defoliation in relation to vegetative growth,” in The Biology and Utilization of Grasses, V. B. Youngner and C. M. McKell, Eds., pp. 302–317, Academic Press, New York, NY, USA, 1972. View at Google Scholar
  16. W. K. Head, Soil Resources of the Saskatoon Region, Saskatchewan Institute of Pedology Publ. M47, Saskatoon, Canada, 1979.
  17. K. J. Moore and L. E. Moser, “Quantifying developmental morphology of perennial grasses,” Crop Science, vol. 35, pp. 37–43, 1995. View at Google Scholar
  18. A. B. Frank and L. Hofmann, “Relationship among grazing management, growing degree-days, and morphological development for native grasses on the Northern Great Plains,” Journal of Range Management, vol. 42, no. 3, pp. 199–202, 1989. View at Google Scholar · View at Scopus
  19. SAS Institute, Statistical Analysis System Version 9.1, SAS Institute Inc., Raleigh, NC, USA, 2003.
  20. I. Davies, “Developmental characteristics of grass varieties in relation to their herbage production II. Spring defoliation of Dactylis glomerata: the fate of reproductive tillers which are cut, but whose stem apex is retained,” Journal of Agricultural Science, vol. 87, pp. 8–33, 1976. View at Google Scholar
  21. E. Mapfumo, M. A. Naeth, V. S. Baron, A. C. Dick, and D. S. Chanasyk, “Grazing impacts on litter and roots: perennial versus annual grasses,” Journal of Range Management, vol. 55, no. 1, pp. 16–22, 2002. View at Google Scholar · View at Scopus
  22. S. Kays and J. L. Harper, “The regulation of plant and tiller density in a grass sward,” Journal of Ecology, vol. 62, pp. 97–105, 1974. View at Google Scholar
  23. F. G. Gregory and J. A. Veale, “A reassessment of the problem of apical dominance,” Symposia of the Society for Experimental Biology, vol. 2, pp. 1–20, 1957. View at Google Scholar
  24. M. M. Caldwell, “Plant requirements for prudent grazing,” in Developing Strategies for Rangeland Management. NRC/NAS Report, pp. 117–152, Westview Press, Boulder, Colo, USA, 1984. View at Google Scholar · View at Scopus