Effect of weed seed rate and grass defoliation level on diffuse knapweed

Journal of Range Management

Volumn 50, Issue 1, 1997, Pages 39-43

  Sheley, Roger L ^a   Olson, Bret E ^a   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

bluebunch wheatgrass; Centaurea diffusa; crested wheatgrass; defoliation; rangeland weeds

Indexed keywords

DEFOLIATION; DIFFUSE KNAPWEED; RANGELAND; SEEDING RATE; SEEDLING ESTABLISHMENT;

USA, (NORTHWEST); USA, (WEST);

AGROPYRON CRISTATUM; ASTERACEAE; CENTAUREA DIFFUSA; POACEAE; PSEUDOROEGNERIA SPICATA; STIPA COMATA;

EID: 0030617534     PISSN: 0022409X     EISSN: None     Source Type: Journal    
DOI: 10.2307/4002703     Document Type: Article

References (29)

1. Berube, D.E. and J.H. Meyers. 1982. Suppression of knapweed invasion by crested wheatgrass in the dry interior of British Columbia. J. Range Manage. 35:459-461.
2. Blaisdell, J.P. and J.F. Pechanec. 1949. Effects of herbage removal at various dates on vigor of bluebunch wheatgrass and arrowleaf balsam-root. Ecol. 30:298-305.
3. Briske, D.D. 1990. Developmental morphology and physiology of grasses. p. 85-108. In: Grazing management: an ecological perspective. (eds.) R.K. Heitschmidt and J.W. Stuth. Timber Press, Inc., Portland, Ore. 259 p.
4. Caldwell, M.M., J.H. Richards, D.A. Johnson, R.S. Nowak, and R.S. Dzurec. 1981. Coping with herbivory: photosynthetic capacity and resource allocation in two semiarid Agropyton bunchgrasses. Oecologia 50:14-24.
5. Callihan, R.H., T.S. Prather, and F.E. Northam. 1993. Longevity of yellow starthistle (Centaurea solstitialis) achenes in soil. Weed Technol. 7:33-35.
6. Cook, C.W., L.A. Stoddart, and F.E. Kinsinger. 1958. Responses of crested wheatgrass to various clipping treatments. Ecol. Mon. 28:237-272.
7. Crider, F. 1955. Root growth stoppage resulting from defoliation of grass. USDA Tech. Bull. 1102.
8. Daubenmire, R.F. 1970. Steppe vegetation of Washington. Wash. Agr. Exp. Sta. Tech. Bull. 62. Wash. St. Univ. Pullman, Wash.
9. Davis, E.S., P.K. Fay, and C.A. Lacey. 1993. Persistence of spotted knapweed (Centaurea maculosa) seed in the soil. Weed Sci. 41:57-61.
10. Harper, J.L. 1977. Population biology of plants. Academic Press. London.
11. Hubbard, W. A. 1975. Increased range forage production by reseeding and the chemical control of knapweed. J. Range Manage. 28:406-407.
12. Kennett, G.A., J.R. Lacey, C.A. Butt, K.M. Olson-Rutz, and M.R. Haferkamp. 1992. Effects of defoliation, shading and competition on spotted knapweed and bluebunch wheatgrass. J. Range Manage. 45:363-369.
13. Lacey, C.A. 1989. Knapweed management: a decade of change. In: P.K. Fay and J.R. Lacey (eds.). Proceedings of knapweed symposium, April 4-5, 1989. Plant and Soil Sci. Dept. and Coop. Ext. Serv. Mont. State Univ., Bozeman, Mont. EB45. pp 1-6.
14. Lacey J., P. Husby, and G. Handl. 1990. Observations on spotted and diffuse knapweed invasion into ungrazed bunchgrass communities in Western Montana. Rangelands 12:30-32.
15. Lacey, J., 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.
16. Maschinski, J. and T.G. Whitham. 1989. The continuum of plant responses to herbivory: the influence of plant association, nutrient availability, and timing. Amer. Natur. 134:1-19.
17. Milchunas, D.G., W.K. Lauenroth, and P.L. Chapman. 1992. Plant competition, abiotic, and long-and short-term effects of large herbivores on demography of opportunistic species in a semiarid grassland. Oecologia 92:520-531.
18. Mueggler, W.F. 1972. Influence of competition on the response of bluebunch wheatgrass to clipping. J. Range Manage. 25:88-92.
19. Myers, J.H. and D.E. Berube. 1983. Diffuse knapweed invasion into rangeland in the dry interior of British Columbia. Can. J. Plant Sci. 63: 981-987.
20. Olson, B.E. and R.T. Wallander. 1997. Biomass and carbohydrates of spotted knapweed and Idaho fescue after repeated grazing. J. Range Manage. (In Press).
21. Richards, J.H. 1984. Root growth responses to defoliation in two Agropyron bunchgrasses: field observations with an improved root periscope. Oecologia 64:21-25.
22. Roché, B.F., Jr. 1994. Diffuse knapweed, tumble knapweed. In: Roger Sheley (ed.). The identification, distribution, impacts, biology and management of noxious rangeland weeds. USDA. Eastside Ecosystem Management Project. Walla Walla, Wash. p. 129-151.
23. Roché, B.F., Jr. and C.J. Talbott. 1986. The collection history of Centaurea found in Washington State. Agr. Res. Center. Res. Bull. XB0978. Wash. State Univ. Coop. Ext., Pullman, Wash. 36 pp.
24. Roché, C.T. and B.F. Roché, Jr. 1988. Distribution and amount of four knapweed (Centaurea L.) species in eastern Washington. Northwest Sci. 62:242-251.
25. Sheley, R.L. and L.L. Larson. 1994. Competitive growth and interference between cheatgrass and yellow starthistle seedlings. J. Range Manage. 47:470-474.
26. Schirman, R. 1981. Seed production and spring seedling establishment of diffuse and spotted knapweed. J. Range Manage. 34:45-47.
27. Tyser, R.W. and C.H. Key. 1988. Spotted knapweed in a natural area fescue grassland: an ecological assessment. Northwest Sci. 62:151-160.
28. 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.
29. Zimdahl, R.L. 1994. Who are you and where are you going? Weed Technol. 8:388-391.