Napoval

A Double Strike Against Pests: Why "Napoval" Delivers Results

In intensive agriculture, where pests like the Colorado potato beetle or various cereal insects can wipe out up to 30% of a crop in days, you need a solution with predictable outcomes. The insecticide "Napoval" from Nanjing Red Sun and Nanjing Essence Fine-Chemical is a prime example of synergy, combining two active ingredients: Imidacloprid and Alpha-cypermethrin.

The Power of Synergy: How It Works

The main advantage of "Napoval" over single-component products lies in its dual systemic and contact-stomach action:

• Imidacloprid (Systemic): Absorbed into plant tissues, making them toxic to pests for 2-3 weeks. This is crucial for protecting new potato and wheat growth.
• Alpha-cypermethrin (Contact): Provides an instant "knockdown effect." Pests die within minutes of contact with the treated surface or ingestion of the tissue.

Who Should Choose "Napoval"?

This preparation is ideal for operations focused on preventative protection. It is a top choice if:

• You are dealing with high populations of aphids, thrips, or leafhoppers.
• You need a reliable solution for persistent pests like the sunn pest or cereal leaf beetle.
• Economic efficiency is key: two treatments per season at a rate of 0.15–0.2 l/ha provide full population control.

Application Details

"Napoval" is formulated as a suspension concentrate, making it easy to prepare for tank mixes. Given its Hazard Class 2 rating, strict adherence to safety protocols and the use of protective gear are mandatory. The pre-harvest interval is 20–30 days, which must be factored into your schedule during the active ripening stage of potatoes.

Strengths and Weaknesses

Strengths: Exceptional efficacy against a wide spectrum of pests, excellent control of hidden/concealed insects, and high-speed action.

Weaknesses: Strict adherence to the pre-harvest interval is required; the product may also affect beneficial entomophages, so it should be used carefully within integrated pest management (IPM) programs.