Dimilin 480

Mechanism of Action: Chitin Synthesis Inhibition

Dimilin 480 is based on diflubenzuron, a prominent member of the Chitin Synthesis Inhibitor (CSI) class. Unlike conventional neurotoxic insecticides that target the nervous system, this product acts as a 'metabolic regulator.' The active ingredient interferes with the insect's cuticle development during the molting process. Larvae exposed to the compound fail to shed their old exoskeleton or successfully form a new one, leading to lethal failure during metamorphosis.

Technical Formulation Insights

As a Suspension Concentrate (SC), Dimilin 480 ensures high physical stability within a tank mix. Because diflubenzuron has extremely low water solubility, the formulation technology employed by UPL Holding Coöperatief U.A. is optimized to produce ultra-fine particles. These particles provide superior coverage and adherence to leaf surfaces, which is essential for a product that relies on contact and ingestion to achieve maximum efficacy.

Field Application and Strategy

• Target Pests: Specifically effective against Lepidoptera species, including meadow moths, leafrollers, codling moths, and various cutworms/cabbage worms.
• Application Protocol: Applied via foliar spraying. The product is limited to 1 application per season, reflecting its long-lasting residual protection.
• Dosage and Rates: Recommended usage ranges from 0.5 to 1.0 L/ha, depending on the specific crop and the severity of the infestation.
• Safety Profile: Classified as Hazard Class 3, making it a favorable choice for Integrated Pest Management (IPM) programs, as it poses significantly lower risks to beneficial predatory insects compared to organophosphates.

A key technical advantage of Dimilin 480 is its potent ovicidal activity. When applied to egg clusters, the active ingredient prevents larval development inside the egg. To optimize field performance, applications should be timed with the onset of peak egg-laying to ensure a robust chemical barrier is present exactly when the larvae hatch.