Actara is a systemic insecticide formulated as 25% Water-Dispersible Granules (WG), designed for effective crop protection against a broad spectrum of pests. Manufactured by Syngenta, it belongs to the neonicotinoid class of insecticides, targeting the nervous system of insects to disrupt feeding and cause mortality.
2. Composition:
- Active Ingredient: Thiamethoxam 25%
- Formulation: Water Dispersible Granules (WG)
- Chemical Class: Neonicotinoid
- CAS Number (Thiamethoxam): 153719-23-4
3. Mode of Action:
- Actara works systemically, meaning the active ingredient is absorbed by the plant and transported to all parts, including new growth.
- It binds to nicotinic acetylcholine receptors (nAChRs) in the insect nervous system, leading to paralysis and death.
- Rapid knockdown and residual protection: Pests feeding on treated crops stop feeding within hours, reducing crop damage immediately.
4. Target Pests:
Actara is effective against a wide range of sucking and some chewing pests, including:
- Aphids (e.g., green peach aphid)
- Whiteflies
- Jassids
- Thrips
- Leafhoppers
- Certain caterpillars
5. Crops & Application:
Actara is versatile and can be applied to field crops, vegetables, fruits, and ornamental plants. Common crops include:
- Rice, cotton, sugarcane
- Tomato, potato, brinjal
- Citrus, mango, pomegranate
- Cucurbits and other horticultural crops
Application Methods:
- Foliar Spray: Dissolve the WG in water and spray uniformly on crops.
- Soil Application: Can be applied as a soil treatment for certain crops to protect roots and emerging shoots.
- Seed Treatment: Provides protection from early-stage pest infestation in some crops.
6. Advantages / Benefits:
- Systemic Action: Protects new growth even after application.
- Broad-spectrum Control: Covers multiple insect species with a single application.
- Fast-acting: Pests stop feeding within hours of ingestion.
- Reduced Phytotoxicity: Safe for most crops when applied at recommended doses.
- Long-lasting Protection: Residual activity provides ongoing protection for several weeks depending on crop and conditions.
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