Hostname: page-component-78c5997874-g7gxr Total loading time: 0 Render date: 2024-11-05T11:49:35.415Z Has data issue: false hasContentIssue false
  • English
  • Français

Turf Safety to Dithiopyr of Newly Seeded Kentucky Bluegrass (Poa pratensis)

Published online by Cambridge University Press:  20 January 2017

Zachary J. Reicher ,
Daniel V. Weisenberger ,
Glenn A. Hardebeck  and
Clark S. Throssell
Zachary J. Reicher*
Affiliation:
Purdue University, Department of Agronomy, 1150 Lilly Hall, West Lafayette, IN 47907-1150
Daniel V. Weisenberger
Affiliation:
Purdue University, Department of Agronomy, 1150 Lilly Hall, West Lafayette, IN 47907-1150
Glenn A. Hardebeck
Affiliation:
Purdue University, Department of Agronomy, 1150 Lilly Hall, West Lafayette, IN 47907-1150
Clark S. Throssell
Affiliation:
Purdue University, Department of Agronomy, 1150 Lilly Hall, West Lafayette, IN 47907-1150
*
Corresponding author's E-mail: [email protected].
Get access Rights & Permissions [Opens in a new window]

Abstract

Competition from large crabgrass is often responsible for the establishment failure of spring-seeded cool-season turfgrasses. The objective of this study was to determine how soon after seedling emergence dithiopyr could be applied without causing unacceptable damage to Kentucky bluegrass. Dithiopyr at 0.28 and 0.56 kg/ha was applied at various times prior to seeding and after emergence of Kentucky bluegrass in the field and greenhouse. Dithiopyr damaged Kentucky bluegrass seedlings in the greenhouse when applied earlier than 10 d after emergence (DAE) at 0.28 kg/ha and 14 DAE at 0.56 kg/ha. In the field study with heavy large crabgrass infestation, no significant phytotoxicity or long-term thinning occurred with any application of dithiopyr after emergence of Kentucky bluegrass. Dithiopyr applied as early as 3 DAE improved cover of Kentucky bluegrass by reducing competition from large crabgrass. When seeding is done early in spring before large crabgrass germination, dithiopyr could be applied at 0.28 kg/ha 10 DAE or at 0.56 kg/ha 14 DAE without risk of injury. Dithiopyr could be applied as early as 3 DAE on sites with heavy large crabgrass pressure or to late spring seedings when large crabgrass is germinating because the risk of turf thinning is warranted given the benefit of reduced large crabgrass competition for the desired turf.

Keywords

Dithiopyrlarge crabgrass, Digitaria sanguinalis (L.) Scop. #3 DIGSAKentucky bluegrass, Poa pratensis L. ‘America’, # POAPRPreemergence herbicidesDAE, days after emergencePOST, postemergencePRE, preemergenceWAE, weeks after emergence
Type
Research Article
Information
Weed Technology , Volume 14 , Issue 3 , September 2000 , pp. 550 - 555
Copyright
Copyright © Weed Science Society of America 

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Literature Cited

Bevard, D. S. and Watschke, T. L. 1999. Seeding creeping bentgrass (Agrostis stolonifera) tolerance to dithiopyr. Weed Technol. 13: 216–220.CrossRefGoogle Scholar
Bhowmik, P. C. and Bahnson, B. M. 1989. Pre and post emergence smooth crabgrass control with MON-151 in cool-season turfgrass. Proc. Northeast. Weed Sci. Soc. 43:110.Google Scholar
Bingham, S. W. and Schmidt, R. E. 1983. Turfgrass establishment after application of preemergence herbicides. Agron. J. 75: 923–926.CrossRefGoogle Scholar
Carroll, M. J., Dernoeden, P. H., and Krouse, J. M. 1996. Zoysiagrass establishment from sprigs following application of herbicides, nitrogen, and a biostimulant. HortScience 31: 972–975.CrossRefGoogle Scholar
Dernoeden, P. H., Davis, D. B., and Fry, J. D. 1988. Rooting and cover of three turf species as influenced by preemergence herbicides. Proc. Northeast. Weed Sci. Soc. 42: 169–173.Google Scholar
Enache, A. D. and Ilnicki, R. D. 1991. BAS 514 and dithiopyr for weed control in cool season turfgrasses. Weed Technol. 5: 616–621.CrossRefGoogle Scholar
Fermanian, T. W. and Haley, J. E. 1994. Application of prodiamine to immature turfs. Weed Technol. 8: 617–620.CrossRefGoogle Scholar
Fry, J. D., Gaussoin, R. E., Beran, D. D., and Masters, R. A. 1997. Buffalograss establishment with preemergence herbicides. HortScience 32: 683–686.CrossRefGoogle Scholar
Johnson, B. J. and Bundschuh, S. H. 1993. Effect of dithiopyr timing on establishment of three cool-season turfgrass species. Weed Technol. 7: 169–173.CrossRefGoogle Scholar
Johnson, B. J. and Duncan, R. R. 1998. Influence of herbicides on establishment of eight seashore paspalum cultivars. J. Environ. Hortic. 16 (2): 79–81.CrossRefGoogle Scholar
Reicher, Z. J., Weisenberger, D. V., and Throssell, C. S. 1999. Turf safety and effectiveness of dithiopyr and quinclorac for crabgrass control in springseeded turf. Weed Technol. 13: 253–256.CrossRefGoogle Scholar
Watschke, T. L., Duich, J. M., and Waddington, D. V. 1973. Preemergence crabgrass control with herbicides in 1972. Proc. Northeast. Weed Sci. Soc. 27: 316–319.Google Scholar
Wetzel, H. C. and Dernoeden, P. H. 1993. Perennial ryegrass seedling tolerance to dithiopyr. Proc. Northeast. Weed Sci. Soc. 47:49.Google Scholar