Hostname: page-component-586b7cd67f-rdxmf Total loading time: 0 Render date: 2024-11-22T16:58:40.456Z Has data issue: false hasContentIssue false
  • English
  • Français

Factors Influencing Fenoxaprop Efficacy in Cool-Season Turfgrass

Published online by Cambridge University Press:  12 June 2017

Joseph C. Neal ,
Prasanta C. Bhowmik  and
Andrew F. Senesac
Joseph C. Neal
Affiliation:
Dep. Flor. Orn. Hortic., Cornell Univ., Ithaca, NY 14853
Prasanta C. Bhowmik
Affiliation:
Dep. Plant Soil Sci., Univ. Mass., Amherst, MA 01003
Andrew F. Senesac
Affiliation:
Cornell Coop. Ext., Long Island Hortic. Res. Lab., Riverhead, NY 11901
Get access Rights & Permissions [Opens in a new window]

Abstract

Experiments were conducted in Massachusetts and New York to evaluate the potential influence of plant growth stage, spray volume, nozzle type, additional surfactant, and herbicide formulation on smooth and large crabgrass control in turf with fenoxaprop. At a well-watered site, crabgrass control with fenoxaprop was equal to or greater than with MSMA. On an irrigated, fertilized site, crabgrass growth stage did not influence fenoxaprop efficacy. Excellent control of up to 5-tiller smooth crabgrass was obtained with 0.20 kg/ha of fenoxaprop. On nonirrigated turf, fenoxaprop was less effective on tillered crabgrass than on 2- to 5-leaf weeds. Under very dry conditions, fenoxaprop was ineffective regardless of growth stage. Control with MSMA was less affected by drought than was fenoxaprop. Spray volumes, between 140 and 1120 L/ha, did not affect fenoxaprop efficacy; however, high volume applications (1120 L/ha) with floodjet nozzles were less effective than flat fan nozzle treatments in two of three tests. Added surfactant did not improve efficacy except with floodjet nozzles on a droughty site. No differences were observed between the water-based and the emulsifiable concentrate formulations of fenoxaprop. Fenoxaprop caused temporary phytotoxicity (≤20% reduction in turf quality) to established Kentucky bluegrass and perennial ryegrass.

Keywords

Fenoxaprop (±)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acidMSMA, monosodium methylarsonic acidKentucky bluegrass, Poa pratensis L. ♯3 POAPRperennial ryegrass, Lolium perenne L. ♯ LOLPElarge crabgrass, Digitaria sanguinalis (L.) Scop. ♯ DIGSAsmooth crabgrass, Digitaria ischaemum (Schreb. ex Schweig.) ex Muhl. ♯ DIGISDroughtgrowth stagemoisture stressnozzlesspray volumesurfactantsMSMADigitaria ischaemumDigitaria sanguinalisFestuca arundinaceaFestuca rubra var. commutataLolium perennePoa pratensisDIGISDIGSA
Type
Research
Information
Weed Technology , Volume 4 , Issue 2 , June 1990 , pp. 272 - 278
Copyright
Copyright © 1990 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

1. Akey, W. C., and Morrison, I. N. 1983. Effect of moisture stress on wild oat (Avena fatua) response to diclofop. Weed Sci. 31:247–253.CrossRefGoogle Scholar
2. Baron, J. J., and Monaco, T. J. 1985. The influence of stage of growth of three annual grass species on phytotoxic effect of five postemergence grass herbicides. Abstr. Weed Sci. Soc. Am. 25:104.Google Scholar
3. Barrett, L. H., and Jagschitz, J. A. 1976. Control of crabgrass and fall panicum in turfgrass with postemergence herbicides. Proc. Northeast. Weed Sci. Soc. 30:372–376.Google Scholar
4. Bhowmik, P. C. 1986. Fenoxaprop-ethyl for postemergence crabgrass control in Kentucky bluegrass turf. HortScience 21:457–458.CrossRefGoogle Scholar
5. Chandrasena, J.P.N.R., and Sagar, G. R. 1986. Some factors affecting the performance of fluazifop-butyl against Elymus repens (L.)Gould [=Agropyron repens (L.)Beauv.] Weed Res. 26:139–148.CrossRefGoogle Scholar
6. Coupland, D. 1987. Influence of environmental factors on the performance of sethoxydim against Elymus repens (L.). Weed Res. 27:329–336.CrossRefGoogle Scholar
7. Dernoeden, P. H. 1987. Tolerance of perennial ryegrass and tall fescue seedlings to fenoxaprop. Agron. J. 79:1035–1037.CrossRefGoogle Scholar
8. Dernoeden, P. H. 1988. Fenoxaprop combined with preemergence herbicides for crabgrass and goosegrass control in turf. HortScience 23:154–157.CrossRefGoogle Scholar
9. Derr, J. F., Monaco, T. J., and Sheets, T. J. 1985. Response of three annual grasses to fluazifop. Weed Sci. 33:693–697.CrossRefGoogle Scholar
10. Dortenzio, W. A., and Norris, R. F. 1980. The influence of soil moisture on the foliar activity of diclofop. Weed Sci. 28:534–539.CrossRefGoogle Scholar
11. Kidder, D. W., and Behrens, R. 1988. Plant response to haloxyfop as influenced by water stress. Weed Sci. 36:305–312.CrossRefGoogle Scholar
12. Kocher, H., Kellner, H. M., Lotzsch, K., and Dorn, E. 1982. Mode of action and metabolic fate of the herbicide fenoxaprop-ethyl, HOE 33171. Proc. Br. Crop Prot. Conf.–Weeds 16:341–347.Google Scholar
13. Pearson, S. L., and Bode, L. E. 1985. Effect of carrier rates and nozzle types on postemergence weed control. Proc. North Cent. Weed Control Conf. 40:35.Google Scholar
14. SAS Institute Inc. 1985. SAS® User's Guide: statistics, version 5 edition. Cary, NC: SAS Inst. Inc.Google Scholar
15. Sawyer, C. D., Jagschitz, J. A., and Skogley, C. R. 1987. Tolerance of Kentucky bluegrass cultivars to fenoxaprop. Northeast. Branch Meetings, Abstr. Am. Soc. Agron. 10.Google Scholar
16. Snipes, D. E., and Street, J. E. 1987. Fenoxaprop for postemergence barnyardgrass (Echinochloa crus-galli) control in rice (Oryza sativa). Weed Sci. 35:224–227.CrossRefGoogle Scholar
17. Van Yahres, R. D., and Jagschitz, J. A. 1982. Pre- and postemergence herbicides for the control of crabgrass in lawn areas. Proc. Northeast. Weed Sci. Soc. 36:292–297.Google Scholar
18. West, L. D., Dawson, J. H., and Appleby, A. P. 1980. Factors influencing barnyardgrass (Echinochloa crus-galli) control with diclofop. Weed Sci. 28:366–371.CrossRefGoogle Scholar