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'''Clomazone''' is an [[agriculture|agricultural]] [[herbicide]], and has been the active ingredient of products named "Command" and "Commence". |
'''Clomazone''' is an [[agriculture|agricultural]] [[herbicide]], and has been the active ingredient of products named "Command" and "Commence". It suppresses the [[biosynthesis]] of [[chlorophyll]] and other plant pigments.<ref>Storzer, Werner "The residue behaviour of new herbicides in crop plants" Nachrichtenblatt des Deutschen Pflanzenschutzdienstes (2002, vol. 54, 193-203.</ref> <ref> Gara, Pedro M. David; Rosso, Janina A.; Martin, Marcela V.; Bosio, Gabriela N.; Gonzalez, Monica C.; Martire, Daniel O. "Characterization of humic substances and their role in photochemical processes of environmental interest" Trends in Photochemistry & Photobiology 2011, vol. 13, pages 51-70.</ref> |
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==Environmental Behavior== |
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Clomazone degradation in soil is biologically dependent, resulting in the accumulation of metabolites and carbon dioxide as products.<ref>{{cite journal|last=Mervosh|first=T.L.|coauthors=G.K. Sims, and E.W. Stoller|title=Clomazone fate in soil as affected by microbial activity, temperature, and soil moisture|journal=J. Agric. Food Chem|year=1995|volume=43|pages=537–543|accessdate=4/3/2013}}</ref> Clomazone exhibits substantial volatilization losses from soil unless formulations are modified to reduce this problem.<ref>{{cite journal|last=Mervosh|first=T.L.|coauthors=E.W. Stoller, T.R. Ellsworth, and G.K. Sims|title=Effects of starch encapsulation on clomazone and atrazine movement in soil and clomazone volatilization|journal=Weed Science|year=1995|volume=43|pages=445–453.|accessdate=4/3/2013}}</ref> Because volatilization, degradation and sorption of clomazone primarily draw from the solution phase, the processes are competitive. As the individual processes exhibit different responses to temperature and moisture, variations in soil physicochemical conditions result in significant shifts in the relative importance of the various fate processes.<ref>{{cite journal|last=Mervosh|first=T.L.|coauthors=G.K. Sims, E.W. Stoller, and T.R. Ellsworth|title=Clomazone sorption in soil: Incubation time, temperature, and soil moisture effects|journal=J. Agric. Food Chem|year=1995|volume=43|pages=2295–2300.|accessdate=4/3/2013}}</ref> |
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==References== |
==References== |
Revision as of 00:45, 1 October 2013
Names | |
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IUPAC name
2-[(2-chlorophenyl)methyl]-4,4-dimethyl-3-isoxazolidinone
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Other names
Dimethazone
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Identifiers | |
3D model (JSmol)
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ChEMBL | |
ChemSpider | |
ECHA InfoCard | 100.125.682 |
KEGG | |
PubChem CID
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CompTox Dashboard (EPA)
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Properties | |
C12H14ClNO2 | |
Molar mass | 239.69806 |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Clomazone is an agricultural herbicide, and has been the active ingredient of products named "Command" and "Commence". It suppresses the biosynthesis of chlorophyll and other plant pigments.[1] [2]
References
- ^ Storzer, Werner "The residue behaviour of new herbicides in crop plants" Nachrichtenblatt des Deutschen Pflanzenschutzdienstes (2002, vol. 54, 193-203.
- ^ Gara, Pedro M. David; Rosso, Janina A.; Martin, Marcela V.; Bosio, Gabriela N.; Gonzalez, Monica C.; Martire, Daniel O. "Characterization of humic substances and their role in photochemical processes of environmental interest" Trends in Photochemistry & Photobiology 2011, vol. 13, pages 51-70.