Metrafenone 500 G/L SC (commonly branded as Acrisio or Vivando) is a high-performance fungicide primarily used to control powdery mildew in crops such as grapes, apples, and vegetables. It is a benzophenone compound featuring a unique mode of action (FRAC Group U8) that disrupts fungal growth
Key Pesticide Benefits of Metrafenone 500 G/L SC
Unique Mode of Action (FRAC U8): It interferes with hyphal growth, spore germination, and haustoria formation at the tips of hyphae. It is excellent for resistance management in areas where powdery mildew has developed resistance to other fungicides.
Preventive and Curative Action: Provides strong protective coverage while also stopping existing infections (curative properties).
Vapor Phase Movement: The fungicide spreads via vapor redistribution, meaning it can travel from the sprayed leaf surface to untreated parts of the plant and into dense fruit clusters, improving overall coverage.
Rainfastness: It adheres to the plant surface quickly, often within one hour, making it effective even in areas with unpredictable rainfall.
Long-Lasting Protection: Its systemic activity offers lasting protection, reducing the need for frequent applications.
Broad-Spectrum Control (Powdery Mildew): It is effective against Erysiphe necator (grapes), powdery mildew in apples, strawberries, and other powdery mildews.
Target Crops and Application Rates
Crops: Grapes, mangoes, apples, cucumbers, beans, strawberries, and cereals.
Dosage: Generally applied at 0.2 - 0.25 L per hectare (depending on local regulations).
Application Stage: Best applied preventively, or at the first signs of powdery mildew.
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