Fluazifop-butyl 150g/L EC Herbicide

Fluazifop-butyl 150g/L EC: A highly selective ACCase-inhibiting herbicide formulated as an emulsifiable concentrate (EC), specifically designed for post-emergence control of annual/perennial grasses in broadleaf crops. With rapid foliar absorption and rainfastness within 1-2 hours, it effectively suppresses resistant grasses while maintaining crop safety in soybeans, cotton, vegetables, and oilseed rape.

Core Specifications

Parameter	Specification
Active Ingredient	Fluazifop-butyl 150g/L (15% w/v)
Chemical Class	Aryloxyphenoxypropionate (HRAC Group 1 / WSSA 1)
Mode of Action	ACCase inhibition → disrupts fatty acid synthesis
Target Weeds	Echinochloa crus-galli (barnyard grass), Setaria spp. (foxtail), Sorghum halepense (Johnson grass), Phragmites australis (reed)
Rainfastness	1-2 hours
Ecotoxicity	Highly toxic to fish (LC₅₀: 0.1 mg/L)

Application Guidelines

Dosage & Timing

Crop	Weed Type	Growth Stage	Dosage (mL/ha)	Critical Conditions
Soybeans	Annual grasses	2-3 leaves	500-750	Soil moisture >60%, RH >65%
Soybeans	Perennial reeds	20-60 cm height	1,250-2,000	Aerial/ground spray
Cabbage	Eleusine indica (goosegrass)	3-6 leaves	1,000	Directed spray at base
Oilseed Rape	Avena fatua (wild oats)	4-5 leaves	750-1,000	Avoid flowering stage

Operational Requirements:

Spray Volume:
- Ground sprayers: 100-150 L/ha
- Drones: 20-50 L/ha
Environmental Optimization:
- Increase dosage by 20% under drought stress
- Avoid applications at midday (10:00-15:00)
Resistance Management: Max 1 application/season; rotate with PPO inhibitors (e.g., fomesafen)

Synergistic Tank-Mix Solutions

Primary Mix	Complementary Herbicide	Expanded Control
Fluazifop 750mL/ha	Bentazon 48% (2,500-3,000mL/ha)	Xanthium (cocklebur), Commelina communis (dayflower) ≤3 leaves
Fluazifop 600mL/ha	Clomazone 48% (600mL/ha) + Lactofen 24% (250mL/ha)	Equisetum (horsetail), Cirsium (thistle)
Fluazifop 1,000mL/ha	Fomesafen 25% (1,000mL/ha)	Sonchus arvensis (field sowthistle), Amaranthus retroflexus (redroot pigweed)

Key Mixing Principles:

Apply at soybean VC-V2 stage (2 fully developed trifoliate leaves)
Critical: Control Commelina communis before 3-leaf stage
Increase spray volume: 200-300 L/ha for ground applications

Safety & Compliance

Toxicity & PPE

WHO Classification: Class III (Slightly hazardous)
Required PPE:
- Chemical-resistant gloves (Nitrile ≥0.4mm)
- Goggles + face shield
- Coveralls + rubber boots
Re-entry Interval: 24 hours

Environmental Safeguards

Aquatic Buffer: 50m from water bodies
Pollinator Protection: Toxic to bees (LD₅₀: 0.94 μg/bee) – avoid flowering periods

Global Registrations

Region	Status	MRLs (ppm)
USA	EPA Reg. No. 70506-121	Soybean: 0.05
EU	Not approved	—
Brazil	Approved (2027 expiry)	Cottonseed: 0.1

Performance Advantages

Feature	Fluazifop-butyl 150g/L EC	Quizalofop-ethyl
Rainfastness	1-2 hours	4-6 hours
Perennial Grass Control	Excellent (reeds, Johnsongrass)	Moderate
Crop Safety	Low soybean phytotoxicity	Moderate injury risk
Residual Activity	14-21 days	7-10 days

Packaging & Storage

Commercial Sizes: 1L, 5L, 20L HDPE containers
Shelf Life: 24 months at 10-30°C
First Aid:
- Skin contact: Wash with soap/water → seek medical help if rash develops
- Eye exposure: Rinse 15 min → ophthalmologist consult

Critical FAQs

Q: Control efficacy on mature weeds?

A: Reduced beyond 6-leaf stage; optimal at 2-4 leaves.

Q: Glyphosate compatibility?

A: Compatible with glyphosate 41% (1.5L/ha) + AMS adjuvant for no-till burndown.

Q: Earthworm impact?

A: Low risk (EC₅₀: >500 mg/kg soil) – passes OECD 222.

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