Hostname: page-component-cd9895bd7-dk4vv Total loading time: 0 Render date: 2024-12-23T02:18:51.276Z Has data issue: false hasContentIssue false
  • English
  • Français

Weed Control and Economic Returns with Postemergence Herbicides in Narrow-Row Soybeans (Glycine max)

Published online by Cambridge University Press:  12 June 2017

William G. Johnson ,
J. Andrew Kendig ,
Raymond E. Massey ,
Michael S. Defelice  and
Chad D. Becker
William G. Johnson
Affiliation:
Department of Agronomy, University of Missouri, Columbia, MO 65203
J. Andrew Kendig
Affiliation:
Department of Agronomy, University of Missouri, Columbia, MO 65203
Raymond E. Massey
Affiliation:
Department of Agricultural Economics, University of Missouri, Columbia, MO 65203
Michael S. Defelice
Affiliation:
Department of Agronomy, University of Missouri, Columbia, MO 65203
Chad D. Becker
Affiliation:
Department of Agronomy, University of Missouri, Columbia, MO 65203
Get access Rights & Permissions [Opens in a new window]

Abstract

Field studies were conducted at three sites in 1993 and 1994 to evaluate weed control, crop response, and economic returns to 0.5× and 1× postemergence rates of chlorimuron, chlorimuron plus quizalofop, bentazon plus acifluorfen, fluazifop plus fenoxaprop, imazethapyr, and imazethapyr plus clethodim in no-till narrow-row soybean production. Common lambsquarters, ivyleaf morningglory, and common ragweed were controlled equally with 0.5× rates applied early postemergence and 1× rates applied mid-postemergence. Control of giant foxtail, large crabgrass, and common cocklebur was generally greater with 1× rates mid-postemergence than with 0.5× rates early postemergence. Soybean yields were equivalent with 0.5× and 1× rates. Soybean yields and net income were highest with 1× and 0.5× rates of chlorimuron plus quizalofop and imazethapyr plus clethodim, and metolachlor preemergence (PRE) followed by 0.5× bentazon plus acifluorfen.

Keywords

Acifluorfen, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoic acidfenoxaprop, (±)-2-[4-[(6-chloro-2-benzoxazolyl)oxy]phenoxy]propanoic acidquizalofop, (±)-2-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]-propanoic acidcommon cocklebur, Xanthium strumarium L. # XANSTcommon lambsquarters, Chenopodium album L. # CHEALivyleaf morningglory, Ipomeoa hederacea (L.) Jacq. # IPOHEcommon ragweed, Ambrosia artemisiifolia L. # AMBELgiant foxtail, Setaria faberi Herrm. # SETFAlarge crabgrass, Digitaria sanguinalis (L.) Scop. # DIGSAEconomic analysisreduced herbicide ratessoybeanAMBELCHEALDIGSAIPOHESETFAXANSTCV, coefficient of variation, EPOST, early postemergencefb, followed byMPOST, mid-postemergencePOST, postemergencePRE, preemergence
Type
Research
Information
Weed Technology , Volume 11 , Issue 3 , September 1997 , pp. 453 - 459
Copyright
Copyright © 1997 by the 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

Buhler, D. D., Gonsolus, J. L., and Ralston, D. F. 1993. Common cocklebur (Xanthium strumarium) control in soybean (Glycine max) with reduced rates of bentazon and cultivation. Weed Sci. 41:447–453.CrossRefGoogle Scholar
Burnside, O. C. 1979. Soybean (Glycine max) growth as affected by weed removal, cultivar, and row spacing. Weed Sci. 27:562–565.CrossRefGoogle Scholar
Burnside, O. C. and Colville, W. L. 1964. Soybean and weed yields as affected by irrigation, row spacing, tillage, and amiben. Weeds 12:109–112.CrossRefGoogle Scholar
Carey, J. B. and DeFelice, M. S. 1991. Timing of chlorimuron and imazaquin application in no-till soybeans (Glycine max). Weed Sci. 39:232–237.CrossRefGoogle Scholar
DeFelice, M. S., Brown, W. B., Aldrich, R. J., Sims, B. D., Judy, D. T., and Guethle, D. R. 1989. Weed control in soybeans (Glycine max) with below-label rates of postemergence herbicides. Weed Sci. 37:365–374.CrossRefGoogle Scholar
Devlin, D. L., Long, J. H., and Maddox, L. D. 1991. Using reduced rates of postemergence herbicides in soybeans (Glycine max). Weed Technol. 5:834–840.CrossRefGoogle Scholar
Edwards, C. A. 1987. The concept of integrated systems in lower input/sustainable agriculture. Am. J. Alt. Agric. 2:148–152.CrossRefGoogle Scholar
Green, J. M. 1991. Maximizing herbicide efficiency with mixtures and expert systems. Weed Technol. 5:894–897.CrossRefGoogle Scholar
Howe, O. W. III and Oliver, L. R. 1987. Influence of soybean (Glycine max) row spacing on pitted morningglory (Ipomoea lacunosa) interference. Weed Sci. 35:185–193.CrossRefGoogle Scholar
Murphy, T. R. and Gossett, B. J. 1981. Influence of shading by soybeans (Glycine max) on weed suppression. Weed Sci. 29:610–615.CrossRefGoogle Scholar
Muyonga, C. M., DeFelice, M. S., and Sims, B. D. 1996. Weed control with reduced rates of four soil applied soybean herbicides. Weed Sci. 44:148–155.CrossRefGoogle Scholar
Peters, E. J., Gebhart, M. R., and Stritzke, J. F. 1965. Interrelations of row spacing, cultivations, and herbicides for weed control in soybeans. Weeds 14:285–289.CrossRefGoogle Scholar
Plain, R., Kennel, J., and White, J. 1995. 1994 Custom Rates for Farm Services in Missouri. Columbia, MO: University of Missouri Cooperative Extension Bull. G302. 11 p.Google Scholar
Prostko, E. P. and Meade, J. A. 1993. Reduced rates of postemergence herbicides in conventional soybeans (Glycine max). Weed Technol. 7:365–369.CrossRefGoogle Scholar
Steckel, L. E., DeFelice, M. S., and Sims, B. D. 1990. Integrating reduced rates of postemergence herbicides and cultivation for broadleaf weed control in soybeans (Glycine max). Weed Sci. 38:541–545.CrossRefGoogle Scholar
[USDA] U.S. Department of Agriculture. 1995. Missouri Farm Facts. Washington, DC: U.S. Department of Agriculture, Statistical Reporting Service. 74 p.Google Scholar
Wax, L. M., Nave, W. R., and Cooper, R. L. 1977. Weed control in narrow and wide row soybeans. Weed Sci. 25:73–77.CrossRefGoogle Scholar
Westburg, D. E., Oliver, L. R., and Frans, R. E. 1989. Weed control with clomazone alone and with other herbicides. Weed Technol. 3:678–685.CrossRefGoogle Scholar