Emergence date effects on resource partitioning between diffuse knapweed seedlings

Journal of Range Management

Volumn 49, Issue 3, 1996, Pages 241-244

  Sheley, Roger L ^a,c   Larson, Larry L ^b,c  

^a MONTANA STATE UNIVERSITY   (United States)

^b OREGON STATE UNIVERSITY   (United States)

^c EASTERN OREGON UNIVERSITY   (United States)

Author keywords

Centaurea diffusa; continuous seedling recruitment; interference; niche occupancy

Indexed keywords

CENTAUREA; CENTAUREA DIFFUSA;

EID: 0029815343     PISSN: 0022409X     EISSN: None     Source Type: Journal    
DOI: 10.2307/4002885     Document Type: Article

References (29)

1. Briske, D. D. 1990. Developmental morphology and physiology of grasses. p. 85-108 In: R. K. Heitschmitt and J. W. Stuth, eds. Grazing Management: An Ecological Perspective. Timber Press, Inc., Portland, Ore.
2. Connolly, J. 1986. On difficulties with replacement series methodology in mixture experiments. J. Appl. Ecol. 23: 125-127.
3. Daubenmire, R. 1970. Steppe vegetation of Washington. Washington Agric. Exp. Sta. Bull. No. 62.
4. Firbank, L. G. and Watkinson, A. R. 1987. On the analysis of competition of the level of the individual plant. Oecologia 71:308-317.
5. Grace, J. B. 1990. On the relationship between plant traits and competitive ability. p. 51-116 In: J. Grace and D. Tilman, eds. Perspectives on Plant Competition. Academic Press, New York, N.Y.
6. Grime, J. P. 1979. Plant Strategies and Vegetation Process. John Wiley and Sons, New York, N.Y. 222p.
7. Harper, J. L. 1977. Population Biology of Plants. Academic Press, London. 892p.
8. Keddy, P. 1990. Competitive hierarchies and centrifugal organization in plant communities. p. 265-290, In: J. Grace and D. Tilman, eds. Perspectives on Plant Competition. Academic Press, New York, N.Y.
9. Lacey, J. R., C. B. Marlow, and J. R. Lane. 1989. Influence of spotted knapweed (Centaurea maculosa) on surface runoff and sediment yield. Weed Technol. 3:627-631.
10. Larson, L. L., R. L. Sheley, and M. M. McInnis. 1994. Vegetation management and weed invasion. Sustainable Rangeland Symp. Oregon State Univ., LaGrande, Ore. (in press).
11. Maddox, D. M. 1979. The knapweeds: their economics and biological control in the western states, U.S.A. Rangelands. 1:139-143.
12. Myers, J. H. and D. Berube. 1983. Diffuse knapweed invasion into rangeland in the dry interior of British Columbia. Can. J. Plant Sci. 63:981-987.
13. Nolan, D. G. and M. K. Upadhyaya. 1988. Primary seed dormancy in diffuse and spotted knapweed. Can. J. Plant Sci. 68:775-783.
14. Powell, R. D. 1990. The role of spatial pattern in the population biology of Centaurea diffusa. J. Ecol. 78: 374-388.
15. Roché, C. T. and B. F. Roché, Jr. 1988. Distribution and amount of four knapweed (Centaurea L.) species in eastern Washington. Northwest Sci. 62:242-253.
16. Ross, M. A. and J. L. Harper. 1972. Occupation of biological space during seedling establishment. J. Ecol. 60:77-88.
17. Roush, M. L. 1988. Models of a four-species annual weed community: growth, competition, and community dynamics. Ph.D. Thesis. Oregon State Univ., Corvallis, Ore. 218p.
18. Schuller, R. 1992. Knapweeds invade natural areas. Knapweed 6:4.
19. Sheley, R. L. and L. L. Larson. 1994a. Observation: Comparative live-history of cheatgrass and yellow starthistle. J. Range Manage. 47:450-456.
20. Sheley, R. L. and L. L. Larson. 1994b. Comparative growth and interference between cheatgrass and yellow starthistle seedlings. J. Range Manage. 47:470-474.
21. Sheley, R. L., L. L. Larson, and D. E. Johnson. 1993. Germination and root dynamics of range weeds and forage species. Weed Technol. 7:234-237.
22. Spitters, C. J. T. 1983. An alternative approach to the analysis of mixed cropping experiments. I. Estimation of competition effects. Neth. J. Agr.. Sci. 31:1-11.
23. Thompson, D. J. and D. G. Stout. 1991. Duration of the juvenile period in diffuse knapweed (Centaurea diffusa) Can. J. Bot. 69:368-371.
24. Tyser, R. W. and C. H. Key. 1988. Spotted knapweed in natural area fescue grasslands: an ecological assessment. Northwest Sci. 62:151-160.
25. Watson, A. K. and A. J. Renney. 1974. The biology of Canadian Weeds 6. Centaurea diffusa and C. maculosa. Can. J. Plant Sci. 54:687-701.
26. Watts. G. D. 1984. Some effects of plants on their neighbours. Trans Norfolk Norwich Nat. Hist. Soc. 26:259-271.
27. Weiner, J. 1990. Asymmetric competition in plant populations. Trends Ecol. & Evol. 5:360-364.
28. Weldon, C. W. and W. L. Slauson. 1986. The intensity of competition versus its importance: an overlooked distinction and some implications. Q. Rev. Biol. 61:23-44.
29. Wright, M.A. and T.W. Ley. 1990. Washington public agricultural weather system user manual. Coop. Ext. Wash. State Univ. EB1547.