Classification:
Herbicide
Formulation:
Quinclorac 250g/L SC (Suspension Concentrate)
CAS NO:
84087-01-4
USAGE:
Selective herbicide for pre- and post-emergence control of barnyardgrass
(Echinochloa crus-galli) and other difficult weeds in rice fields. Also
effective against broadleaf weeds and sedges in turf, sugarcane, and cereal
crops.
Pack size:
500mL, 1L, 5L, 20L/drum, or as required
Crop | Target Weeds | Dosage (250g/L SC) | Application Timing | Remarks |
---|---|---|---|---|
Rice (Paddy) | Barnyardgrass, sedges | 500-750 mL/ha | 2-4 leaf stage of weeds | 1) Maintain 3-5 cm water level 2) REI: 48 hrs |
Turfgrass | Clover, spurge | 300-500 mL/ha | Active weed growth | Do not apply to newly seeded turf |
Sugarcane | Morning glory, nutsedge | 600-800 mL/ha | Pre-emergence or early post | PHI: 90 days |
Wheat/Barley | Wild buckwheat | 400-600 mL/ha | Before weed tillering | Add surfactant (0.2% v/v) |
Non-crop areas | Resistant weeds | 800-1000 mL/ha | Before seed set | Restricted to industrial sites |
Mode of Action:
-Synthetic auxin mimic (Group 4 herbicide)
-Disrupts cell division and elongation
-Systemic translocation via xylem and phloem
Benefits:
-Exceptional barnyardgrass control in rice
-Effective against ALS-resistant weeds
-Long residual activity (4-6 weeks)
-Rainfast within 6 hours
Precautions:
-PPE: Coveralls, rubber gloves, face shield
-Avoid drift to sensitive crops (e.g., grapes)
-Do not apply when temperature exceeds 30°C
-Storage: Stable between 0°C to 35°C
Environmental Hazards:
-Moderately toxic to aquatic plants
-Low risk to bees and earthworms
-Half-life in soil: 14-21 days
-Do not apply near drainage ditches