|Jmol 3D model||Interactive image|
|Molar mass||401.42 g/mol|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Dithiopyr is a preemergent herbicide for crabgrass control in turf and ornamental grasses. It is effective on 45 grassy and broadleaf weeds. Dithiopyr inhibits root growth of susceptible weeds as well as turf grass and thus should be used only on established turf with a well-developed root system. Its duration of efficacy is approximately 4 months, so lawns should not be reseeded during this time frame following application of the chemical. Dithiopyr acts primarily as a preemergent herbicide but can also be used in early postemergent control of crabgrass.
Mode of Action
Dithiopyr acts as a root growth inhibitor, causing cessation of root elongation and inhibition of mitotic cell division. It inhibits formation of microtubules and spindle organizing centers. Dithiopyr may alter microtubule polymerization and stability by "interacting with microtubule associated proteins or microtubule organizing centers rather than interaction directly with tubulin." Mitotic cells are arrested in late prometaphase. Cell entry into mitosis is unaffected.
- "Dimension - Turf and Ornamental - Dow AgroSciences". www.dowagro.com. Retrieved 2016-04-23.
- Material Safety Data Sheet for Dimension
- Barbara L. Armbruster; William T. Molin; M. Wayne Bugg (February 1, 1991). "Effects of the herbicide dithiopyr on cell division in wheat root tips". Pesticide Biochemistry and Physiology. 39 (2): 110–120. doi:10.1016/0048-3575(91)90131-5.
The mode of action of dithiopyr may be to alter microtubule polymerization and stability by interacting with microtubule associated proteins and/or microtubule organizing centers rather than interaction directly with tubulin.
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