Pyrazosulfuron-ethyl 3% + Quinclorac 47% WP
Classification:
Herbicide
Formulation:
Pyrazosulfuron-ethyl 3% + Quinclorac 47% WP (Wettable Powder)
CAS NO:
Pyrazosulfuron-ethyl: 93697-74-6
Quinclorac: 84087-01-4
USAGE:
Broad-spectrum herbicide for pre- and post-emergence control of annual grasses,
sedges, and broadleaf weeds in rice fields. Particularly effective against
barnyardgrass, sprangletop, sedges, and hard-to-control weeds like Monochoria
and Marsilea.
Pack size:
100g, 500g, 1kg, 10kg/bag, or as required
Direction for Use
| Crop | Target Weeds | Dosage (WP) | Application Timing | Remarks |
|---|---|---|---|---|
| Paddy Rice | Barnyardgrass, sedges | 300-400 g/ha | Pre-emergence or early post-emergence (1-3 leaf stage) | 1) Maintain 3-5 cm water layer 2) REI: 48 hrs |
| Direct-seeded Rice | Monochoria, Marsilea | 400-500 g/ha | Post-emergence (2-4 leaf stage of weeds) | Drain field before application |
| Transplanted Rice | Spangletop, broadleaf weeds | 250-350 g/ha | 3-7 days after transplanting | PHI: 60 days |
Product Details
Mode of Action:
-Pyrazosulfuron-ethyl: ALS inhibitor (stops amino acid synthesis)
-Quinclorac: Synthetic auxin (disrupts cell growth)
-Synergistic effect for enhanced weed control
Benefits:
-Controls both grasses and broadleaf weeds
-Effective against herbicide-resistant weeds
-Long residual activity (4-6 weeks)
-Safe for rice at recommended doses
Precautions:
-PPE: Coveralls, rubber gloves, face shield
-Do not apply to water-stressed crops
-Avoid drift to adjacent crops (especially dicots)
-Storage: Keep in dry place below 35°C
Environmental Hazards:
-Highly toxic to aquatic plants
-Do not apply directly to water bodies
-Moderate persistence (half-life 30-60 days)
-Low toxicity to earthworms and soil microbes