Hostname: page-component-78c5997874-j824f Total loading time: 0 Render date: 2024-11-17T21:29:22.875Z Has data issue: false hasContentIssue false
  • English
  • Français

Impact of Application Rate, Timing, and Indaziflam Formulation on Early Postemergence Control of Oxalis stricta

Published online by Cambridge University Press:  20 January 2017

S. Christopher Marble ,
Annette Chandler  and
Matthew Archer
S. Christopher Marble
Affiliation:
Mid-Florida Research and Education Center, University of Florida/IFAS, Apopka, FL 32703
Annette Chandler
Affiliation:
Mid-Florida Research and Education Center, University of Florida/IFAS, Apopka, FL 32703
Matthew Archer*
Affiliation:
Mid-Florida Research and Education Center, University of Florida/IFAS, Apopka, FL 32703
*
∗Corresponding author's E-mail: marblesc@ufl.edu
Get access Rights & Permissions [Opens in a new window]

Abstract

Although primarily used as an effective PRE herbicide, indaziflam has been shown to provide early POST control of some weeds commonly found in nursery production. Previous investigation on the early POST efficacy of indaziflam focused on the liquid formulation, and the ability of the granular formulation to provide early POST weed control is unknown. Nursery trials were conducted to evaluate early POST control of oxalis using two formulations of indaziflam. Oxalis seeds were surface sown to nursery containers at two separate dates and grown until they reached the two- to four-leaf stage (2-4L) and six- to eight-leaf stage. Both growth stages were treated with indaziflam at 12.6, 25.1, 50.2, and 100.4 g ai ha−1 using either a granular (G) or liquid (SC) formulation. A chemical control treatment (glyphosate) and a nontreated control were also included for comparison. The SC formulation provided > 90% control of both oxalis growth stages at all four rates and was similar to glyphosate. The G formulation at 12.6 and 25.1 g ha−1 only provided marginal control, but overall performed similarly to the SC formulation at the 50.2 and 100.4 g ha−1 rate in most experiments. In contrast to the SC formulation, the G formulation is labeled for use over the top of container-grown nursery crops. Results of this research indicate that in areas where oxalis is the primary weed of concern, the G formulation of indaziflam could be applied to control small oxalis up to the 2-4L stage at the currently labeled rate (50.2 g ha−1).

Aunque se usa principalmente como un herbicida PRE efectivo, indaziflam ha mostrado poder brindar control POST temprano de varias especies de malezas comúnmente encontradas en la producción de almácigas en viveros. Investigación previa sobre la eficacia de indaziflam en POST temprano se enfocó en la formulación líquida, pero se desconoce la habilidad de la formulación granular de brindar control POST temprano de malezas. Se realizaron experimentos en vivero para evaluar el control POST temprano de Oxalis usando dos formulaciones de indaziflam. Semillas de Oxalis fueron sembradas en la superficie de contenedores en dos fechas separadas y las plantas fueron crecidas hasta alcanzar los estadios de dos a cuatro hojas (2-4L) y seis a ocho hojas. Ambos estadios de crecimiento fueron tratados con indaziflam a 12.6, 25.1, 50.2, y 100.4 g ai ha−1 usando, ya fuese la formulación granular (G) o líquida (SC). También se incluyó un tratamiento testigo químico (glyphosate) y un testigo sin tratamiento para fines de comparación. La formulación SC brindó >90% de control de Oxalis en ambos estadios de crecimiento con las cuatro dosis y este control fue similar al de glyphosate. La formulación G a 12.6 y 25.1 g ha−1 solamente brindó un control marginal, pero su desempeño general fue similar a la formulación SC a dosis de 50.2 y 100.4 g ha−1 en la mayoría de los experimentos. En contraste con la formulación SC, la formulación G está registrada para uso en cultivos de vivero aplicada sobre plantas crecidas en contenedores. Los resultados de esta investigación indican que en áreas donde Oxalis es la principal maleza, la formulación G de indaziflam podría ser aplicada para el control de plantas de Oxalis pequeñas hasta el estadio de 2-4 L a la dosis de etiqueta actual (50.2 g ha−1).

Keywords

IndaziflamglyphosateOxalis stricta L.Container-grown plantsearly POSTnursery cropsornamentalswoodsorrel
Type
Research Article
Information
Weed Technology , Volume 30 , Issue 3 , September 2016 , pp. 701 - 707
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.)

Footnotes

Associate Editor for this paper: Prashant Jha, Montana State University.

References

Literature Cited

Altland, JE, Gilliam, CH, Edwards, JH, Keever, GJ, Kessler, JR, Eakes, DJ (2000) Effect of bittercress size and gallery rate on postemergence bittercress control. J Environ Hort 18: 128–132 Google Scholar
Anonymous (2013) Marengo® G herbicide product label. Mainland, PA: OHP, Inc. 8 pGoogle Scholar
Anonymous (2014) Marengo® herbicide product label. Mainland, PA: OHP, Inc. 8 pGoogle Scholar
Bartley, P, Wehtje, G, Gilliam, C, Foshee, W, Murphy, AM (2014) Efficacy of preemergence-applied, granular flumioxazin (Broadstar®) as influenced by moisture and the distance separating prills and weed seed. Proc South Nurs Res Conf 59: 278–281 Google Scholar
Berchielli-Robertson, D, Gilliam, CH, Fare, DC (1990) Competitive effects of weeds of the growth of container-grown plants. HortSci 25: 77–79 Google Scholar
Brabham, C, Lei, L, Gu, U, Stork, J, Barrett, M, DeBolt, S (2014) Indaziflam herbicidal action: a potent cellulose biosynthesis inhibitor. Plant Physiol 166: 1177–1185 Google Scholar
Brosnan, JT, Breedon, GK, McCullough, PE, Henry, GM (2012) Pre and post control of annual bluegrass (Poa annua) with indaziflam. Weed Technol 26: 48–53 Google Scholar
Brosnan, JT, McCullough, PE, Breeden, GK (2011) Smooth crabgrass control with indazilam at various spring timings. Weed Technol 25: 363–366 Google Scholar
Fretz, TA (1972) Weed competition in container grown Japanese holly. HortSci 7: 485–486 Google Scholar
Hanson, BD, Jhala, AJ (2010) Glufosinate plus indaziflam for late spring and summer weed control in established orchards. Proceedings of the 54th Annual Weed Day . Davis, CA: Weed Research & Information Center, University of California-Davis. 54: 8 Google Scholar
Jhala, AJ, Ramirez, AHM, Singh, M (2013) Tank mixing saflufenacil, glufosinate, and indaziflam improved burndown and residual weed control. Weed Technol 27: 422–429 Google Scholar
Judge, CA, Neal, JC (2006) Preemergence and early postemergence control of selected container nursery weeds with Broadstar, OH2, and Snapshot TG. J Environ Hort 24: 105–108 Google Scholar
Kostandini, G, Mykerezi, E, Escalante, C (2014) The impact of immigration enforcement on the U.S. farming sector. Am J Agric Econ 96: 172–192 Google Scholar
Marble, SC, Gilliam, CH, Alexander, AL (2012) Early postemergence control of bittercress (Cardamine hirsuta) in container plant production. Proc NE Weed Sci Soc 66: 63 Google Scholar
Marble, SC, Gilliam, CH, Wehtje, GR, Van Hoogmoed, AJ, Palmer, C (2011) Early postemergence control of spotted spurge in container production. J Environ Hort 29: 29–34 Google Scholar
Marble, SC, Gilliam, CH, Wehtje, GR, Samuel-Foo, M (2013) Early postemergence control of yellow woodsorrel (Oxalis stricta) with residual herbicides. Weed Technol 27: 347–351 Google Scholar
Martin, P, Calvin, L (2010) Immigration reform: what does it mean for agriculture and rural America? Appl Econ Perspect Pol 32: 232–253 Google Scholar
McCullough, PE, Yu, J, de Barreda, GE (2013) Efficacy of preemergence herbicides for controlling a dinitroanaline-resistant goosegrass (Eluesine indica) in Georgia. Weed Technol 27: 639–644 Google Scholar
Neal, JC, Derr, JF (2005) Weeds of Container Nurseries of the United States. Raleigh, NC: North Carolina Association of Nurserymen, Inc. 16 pGoogle Scholar
Perry, HD, McElroy, SJ, Doroh, MC, Walker, RH (2011) Indaziflam utilization for controlling problematic turfgrass weeds. Appl Turfgrass Sci. DOI: 10.1094/ATS-2011-0428-01-RSGoogle Scholar
Taylor, JE, Charlton, D, Yunez-Nuade, A (2012) The end of farm labor abundance. Appl Econ Perspect Pol 34: 587–598 Google Scholar
[WSSA] Weed Science Society of America (2011) Southern weed survey—southern states: aquatic, industrial, nursery, and container ornamentals, powerlines, and rights-of-way. Proc South Weed Sci Soc 64: 343–357 Google Scholar