Classification:
Fungicide
Formulation:
Pyrimethanil 400g/L SC (Suspension Concentrate)
CAS NO:
53112-28-0
USAGE:
Protective and curative fungicide for controlling Botrytis cinerea (gray mold)
and other Ascomycete fungi in grapes, strawberries, tomatoes, stone fruits, and
ornamental plants. Also effective against apple scab (Venturia inaequalis) in
integrated disease management programs.
Pack size:
1L, 5L, 10L, 20L/drum, or as required
Crop | Target Disease | Dosage (400g/L SC) | Application Timing | Remarks |
---|---|---|---|---|
Grapes | Botrytis bunch rot | 800-1200 mL/ha | Pre-flowering to pre-harvest (3-4 applications) | 1) REI: 24 hrs 2) PHI: 7 days |
Strawberries | Gray mold | 600-1000 mL/ha | First symptoms to fruit development | Max 3 applications/season |
Tomatoes | Leaf mold | 1000-1500 mL/ha | Preventive at high humidity | 7-day spray interval |
Apples | Scab | 750-1000 mL/ha | Green tip to fruit set | Alternate with other fungicide classes |
Stone fruits | Monilinia spp. | 1000-1200 mL/ha | Petal fall to pre-harvest | Do not apply during bloom |
Mode of Action:
-Inhibits methionine biosynthesis (MAP pathway)
-Blocks secretion of fungal hydrolytic enzymes
-Dual action: prevents spore germination & mycelial growth
Benefits:
-Excellent rainfastness (2 hours after application)
-Systemic translocation via xylem
-Compatible with most fungicides/insecticides
-Low risk of cross-resistance
Precautions:
-PPE: Nitrile gloves, protective clothing, face shield
-Do not apply when temperature exceeds 30°C
-Maintain 10m buffer zone near water bodies
-Storage: Keep in original container at 5°C to 35°C
Environmental Hazards:
-Moderately toxic to aquatic organisms
-Low toxicity to bees (LD50 >100μg/bee)
-Soil half-life: 30-60 days (aerobic conditions)
-Non-persistent in groundwater