Dissipation of imazaquin in southern soils

R. Talbert, W. K. Vencill, P. A. Banks, N. Rhodes, B. Brecke, P. Santelman, D. Shaw, M. Barrett, J. B. Weber

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

Soil-applied imazaquin was characterized by rapid initial dissipation followed by a slower second phase breakdown following field application in soybean. Relative rates of imazaquin dissipation from fastest to slowest in 1988 were: Captina silt loam = Marietta loam > Dothan (NC) loamy sand = Dothan (FL) sandy loam = Port loam = Pullman silty clay loam = Appling sandy loam = Maury silt loam = Statler loam. No differences in dissipation rate among sites were not detected in 1989. In 1990, relative rates of imazaquin dissipation from fastest to slowest were: Port loam > Dothan (FL) loamy sand = Dothan (NC) sandy loam = Appling sandy loam = Maury silt loam = Pullman silty clay loam. A negative correlation between soil temperature and the imazaquin DT50was observed. Soil pH, organic matter content, or clay content did not influence the dissipation pattern of imazaquin in these studies.

Original languageEnglish
Pages (from-to)621-635
Number of pages15
JournalJournal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes
Volume30
Issue number5
DOIs
StatePublished - Jan 1 1995

Keywords

  • Glycine max
  • Zea mays
  • bioassay
  • dissipation
  • imidazolinones

ASJC Scopus subject areas

  • Food Science
  • Pollution

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