Article · Wikipedia archive · Last revised Jul 31, 2026

Sethoxydim

Sethoxydim is a postemergent herbicide for control of grass weeds in a wide variety of horticultural crops.

Last revised
Jul 31, 2026
Read time
≈ 1 min
Length
254 w
Citations
10
Source
Sethoxydim
source ↗
Names
IUPAC name
2-[(E)-N-Ethoxy-C-propylcarbonimidoyl]-5-(2-ethylsulfanylpropyl)-3-hydroxycyclohex-2-en-1-one
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.070.600
EC Number
  • 277-682-3
KEGG
UNII
  • InChI=1S/C17H29NO3S/c1-5-8-14(18-21-6-2)17-15(19)10-13(11-16(17)20)9-12(4)22-7-3/h12-13,19H,5-11H2,1-4H3/b18-14+
    Key: CSPPKDPQLUUTND-NBVRZTHBSA-N
  • CCC/C(=N\OCC)/C1=C(CC(CC1=O)CC(C)SCC)O
Properties
C17H29NO3S
Molar mass 327.48 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Sethoxydim is a postemergent herbicide for control of grass weeds in a wide variety of horticultural crops.123

Sethoxydim is sold under brand names including Poast,14 Torpedo, Ultima, Vantage, Conclude, and Rezult. It is manufactured by BASF, TopPro, and Monterey Lawn and Garden.4

Mode of Action

Sethoxydim is a substituted 1,3-cyclohexanedione5 DIM herbicide, a type of Acetyl-CoA carboxylase inhibitor (ACCase herbicide), WSSA/HRAC Group 1 (formerly in HRAC A).62

Resistance

Resistant crops

Maize (corn) resistant to ACCase inhibitors has been produced by selection under sethoxydim application.5

References

References

  1. "Common Herbicides for Fruit and Vegetable Weed Control" (PDF). University of Tennessee Extension. pp. 1–8. Archived from the original (PDF) on 2019-09-01. p. 5.
  2. "Segment (sethoxydim)". North Carolina Extension. 2016-05-09. Retrieved 2021-06-01.
  3. "Nufarm Sethoxydim SPC Herbicide" (PDF). Archived from the original (PDF) on 2018-09-20.
  4. "Sethoxydim" (PDF). Bugwood. Archived from the original (PDF) on 2017-01-16.
  5. Kleczkowski, L A (1994). "Inhibitors of Photosynthetic Enzymes/Carriers and Metabolism". Annual Review of Plant Physiology and Plant Molecular Biology. 45 (1). Annual Reviews: 339–367. doi:10.1146/annurev.pp.45.060194.002011. ISSN 1040-2519.
  6. "HRAC MOA 2020 Revision Description and Master Herbicide List". Herbicide Resistance Action Committee. 2020-09-14. Retrieved 2021-04-01.