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