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Ministry of Agriculture, Food and Rural Affairs

Terbacil

Trade Names: Sinbar

Group 5

Site of Action: Inhibitors of photosynthesis at photosystem II, Site A

Symptoms

  • Foliar chlorosis, first interveinal, followed by total leaf chlorosis and eventually tissue death
  • Inhibition of root and shoot growth
  • More injury potential on low organic matter soils

Uptake and Translocation

  • Uptake is mostly through roots, although partially through foliage and stem
  • Translocation is upward into leaves

Persistence

  • Somewhat long residual, dependent on rate applied
  • Half life in field: 120 days
Terbacil Click to enlarge.