DICAMBA
Trade Names: Banvel II, Oracle, Vanquish
Group 4
Site of Action: Synthetic auxins
Symptoms
At first symptoms include:
- Bending, twisting, swelling and elongation of stems
- Leaf cupping and curling
Followed by:
- Chlorosis at the growing points
- Growth inhibition
- Wilting
- Necrosis, and death of susceptible plants within 3- 5 weeks
- Low concentration may cause young leaves to look puckered
Uptake and Translocation
- Readily absorbed by roots, stems or leaves
- Translocated to other plant parts
Persistence
- Half-life in soil: 30 days
Residue carryover into the next season is not a problem when applied at rates recommended for crop situations