Dual Active Chemistry and Modes of Action
Fusiflex combines Fomesafen (a PPO inhibitor) with Fluazifop-p-butyl (an ACCase inhibitor) in an emulsifiable formulation.
Fomesafen inhibits protoporphyrinogen oxidase, generating reactive oxygen species that rupture cell membranes in broadleaf weeds.
Fluazifop-p-butyl halts acetyl-CoA carboxylase, stopping fatty acid synthesis in grasses, while soybean crops rapidly detoxify both molecules.
- Fomesafen component: Fast contact desiccation of broadleaf weeds under sunlight exposure
- Fluazifop component: Systemic translocation destroying the growing points of annual grasses
- Crop safety: High physiological selectivity in soybean when applied at recommended vegetative stages
Target Weed Spectrum in Soybean Cultivation
Fusiflex is engineered to solve complex mixed weed flushes that infest soybean fields during the monsoon season.
Applications should target actively growing weeds at the two to four leaf stage, typically fifteen to twenty-five days after sowing.
- Broadleaf weeds: Controls Commelina benghalensis, Digera arvensis, Amaranthus viridis, and Euphorbia species
- Grassy weeds: Effectively suppresses Echinochloa colona, Digitaria sanguinalis, and Eleusine indica
- Application timing: Best applied when weeds are actively photosynthesizing under good soil moisture
Spraying Directions, Moisture, and Precautions
Adequate soil moisture is critical at spraying to ensure active weed transpiration and systemic uptake.
Use flat fan nozzles at low pressure to provide uniform spray distribution and prevent drift onto neighboring non-target crops.
- Water volume: Use clean water at recommended volumes per acre for complete foliar coverage
- Rainfastness: Requires at least one to two hours of dry weather post-application for full foliar binding
- Personal protection: Wear chemical-resistant gloves, protective clothing, and a face respirator
Official source
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Central Insecticides Board & Registration Committee ↗Related on KisanPe
Common questions
What chemicals are in Syngenta Fusiflex?
Fusiflex contains Fomesafen + Fluazifop-p-butyl, combining a PPO inhibitor with an ACCase inhibitor.
In which crop is Fusiflex primarily applied?
Fusiflex is formulated and registered specifically for selective post-emergence weed control in soybean fields.
Does Fusiflex control both grasses and broadleaf weeds?
Yes, its dual formulation controls both major grassy weeds and broadleaf weeds in a single application.
General guidance, not personal advice. For your farm, ask your local Krishi Vigyan Kendra or agriculture officer.
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