Halosulfuron
Trade Name: Sandea
Group 2
Site of Action: Inhibitors of acetolactate synthase (ALS) and also called acetohydroxyacid synthase (AHAS)
Symptoms
Following POST emergent application:
- Rapid growth inhibition occurs
- 3- 7 days later, sometimes sooner, chlorosis occurs
- 7- 14 days later the growing point dies
- 14- 21 days later the plant dies completely
Following PRE emergent application:
- Seed germination is not inhibited
- The shoot growing point usually quickly undergoes chlorosis and necrosis, although there are some seedlings that can remain green for 2 weeks before dying
Uptake and Translocation
- Absorbed through roots, shoots and foliage
- Translocated within the plant
Persistence
- Short to moderate persistence
- May cause carryover injury onto sugar beets
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