Dichlorprop/2,4-D
Trade Names: Diphenoprop, Desormone, Estaprop Plus, Dichlorprop D, Turboprop
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 through leaves or roots
- Translocated primarily in phloem with the sugars but can also move with water in the xylem
- Accumulation is primarily in the young, rapidly growing meristematic regions of roots or shoots
Persistence
- Short persistence
- Half life in soil: 1- 2 weeks during the growing season