Classification:
Herbicide
Formulation:
Pyribenzoxim 3% + Cyhalofop-butyl 12% EC (Emulsifiable Concentrate)
CAS NO:
Pyribenzoxim: 168088-61-7
Cyhalofop-butyl: 122008-85-9
USAGE:
Broad-spectrum herbicide for controlling resistant grasses and sedges in rice
fields. Highly effective against Echinochloa crus-galli, Leptochloa chinensis,
Cyperus difformis, and other problematic weeds in direct-seeded and transplanted
rice.
Pack size:
500mL, 1L, 5L, 20L/drum, or as required
| Crop | Target Weeds | Dosage (15% EC) | Application Timing | Remarks |
|---|---|---|---|---|
| Transplanted Rice | Barnyardgrass, sedges | 600-800 mL/ha | 2-4 weeks after transplanting | 1) Maintain 3-5 cm water level 2) REI: 48 hrs |
| Direct-seeded Rice | Leptochloa, broadleaf weeds | 800-1000 mL/ha | Weeds at 2-4 leaf stage | Drain field before application |
| Wet-seeded Rice | Resistant grasses | 700-900 mL/ha | 15-20 days after sowing | PHI: 60 days |
Mode of Action:
-Pyribenzoxim : ALS inhibitor (Group B)
-Cyhalofop-butyl : ACCase inhibitor (Group A)
-Synergistic effect on resistant weed populations
Benefits:
-Controls both grasses and sedges
-Effective against herbicide-resistant weeds
-Rapid absorption (rainfast in 4-6 hours)
-Safe for rice at recommended doses
Precautions:
-PPE: Coveralls, rubber gloves, face shield
-Do not apply under drought stress
-Avoid drift to adjacent crops
-Storage: Keep in original container at 0°C to 35°C
Environmental Hazards:
-Highly toxic to aquatic organisms
-Prohibited in drainage canals
-Moderate persistence (half-life 10-30 days)
-Low bee toxicity (LD50 >100 μg/bee)