Photosynthetica, 2011 (vol. 49), issue 3

Photosynthetica 2011, 49(3):478 | DOI: 10.1007/s11099-011-0049-4

Leaf area expansion and net photosynthetic rate of three bromegrass (Bromus) species

B. Biligetu1, B. Coulman2,*
1 Semiarid Prairie Agricultural Research Centre, Agriculture and Agri-Food Canada, Swift Current, Canada
2 Department of Plant Sciences, University of Saskatchewan, Saskatoon, Canada

This study measured individual leaf area expansion rate and leaf net photosynthetic rate (P N) of meadow bromegrass (Bromus riparius Rehm.), smooth bromegrass (Bromus inermis Leyss.) and hybrid bromegrass (B. riparius × B. inermis). Smooth bromegrass expanded individual leaf area 1.5 times faster than meadow bromegrass and hybrid bromegrass. P N was highest in smooth bromegrass, intermediate in hybrid bromegrass, and lowest in meadow bromegrass. Rapid growth of meadow bromegrass following defoliation compared to smooth bromegrass and hybrid bromegrass could not be explained by higher rates of these measured characteristics.

Keywords: bromegrass; forage; regrowth

Received: December 14, 2010; Accepted: July 3, 2011; Published: September 1, 2011Show citation

ACS AIP APA ASA Harvard Chicago IEEE ISO690 MLA NLM Turabian Vancouver
Biligetu, B., & Coulman, B. (2011). Leaf area expansion and net photosynthetic rate of three bromegrass (Bromus) species. Photosynthetica49(3), 478. doi: 10.1007/s11099-011-0049-4.
Download citation

References

  1. Biligetu, B., Coulman, B.E.: Quantifying regrowth characteristics of three bromegrass (Bromus) species in response to defoliation at different developmental stages. - Grassland Sci. 56: 168-176, 2010. Go to original source...
  2. Caldwell, M.M., Richards, J.H., Johnson, D.A., Nowak, R.S., Dzurec, R.S.: Coping with herbivory: photosynthetic capacity and resource allocation in two semi-arid Agropyron bunchgrasses. - Oecologia 50: 14-24, 1981. Go to original source...
  3. Coulman, B.E.: Knowles hybrid bromegrass. - Can. J. Plant Sci. 84: 815-817, 2004. Go to original source...
  4. Ferdinandez, Y.S.N., Coulman, B.E.: Nutritive values of smooth bromegrass, meadow bromegrass, and meadow x smooth bromegrass hybrids for different plant parts and growth stages. - Crop Sci. 41: 473-478, 2001. Go to original source...
  5. Ferdinandez, Y.S.N., Coulman, B.E.: Characterization of meadow × smooth bromegrass hybrid populations using morphological characteristics. - Can. J. Plant Sci. 80: 551-557, 2000. Go to original source...
  6. Knowles, R.P., Baron, V.S., McCartney, D.H.: Meadow bromegrass. - Agriculture Canada Publication188/E, Ottawa 1993. Go to original source...
  7. Van Esbroeck, G.A., Baron, V., King, J.R.: Regrowth of bromegrass species, a bromegrass interspecific hybrid, and meadow foxtail in a short season environment. - Agron. J. 87: 244-251, 1995. Go to original source...
  8. Vogel, K.P., Moore, K.J., Moser, L.E.: Bromegrass. - In: Moser, L.E., Buxton, D.R., Casler, M.D. (ed.): Cool Season Forage Grasses. Pp. 535-547. ASA Inc. Madison 1996.