RUIFU 50% Cypermethrin + Chlorpyrifos Emulsifiable Concentrate (EC)

Product Performance

This product is a combined formulation of an organophosphate insecticide and a pyrethroid insecticide. It has contact, stomach and some fumigant action. It acts on the nervous system of pests and can kill cotton bollworm larvae on cotton; it is advisable to apply early in the larval stage.

Usage Range & Method

Technical Requirements

This product should be applied during the peak egg-hatching period of cotton bollworm to before young larvae bore into bolls. Ensure uniform spray coverage. Depending on pest incidence, apply at approximately 10-day intervals. The pre-harvest interval (PHI) on cotton is 21 days, with a maximum of 3 applications per season. This product is phytotoxic to cucurbits, lettuce at seedling stage, and tobacco. Avoid spray drift onto these crops to prevent phytotoxicity. Do not apply under windy conditions or when rainfall is expected within 1 hour. 2. Warning signs should be placed after application, and humans and livestock should not enter the treated area until 24 hours after application. Reference to domestic and international application technical data: The following is for technical exchange only. Before using this product, carefully read and strictly follow the product label or consult local agricultural technical experts. | Crop | Target Pests | Application Rate (mL/mu) | Application Method | |------|--------------|--------------------------|-------------------| | Fruit trees | Fruit borers, leaf rollers | 1000–1500× dilution | Foliar spray | | Rice | Rice leaf roller, striped stem borer | 30–50 mL/mu | Foliar spray | | Cotton | Cotton bollworm, cotton aphid | 30–50 mL/mu | Foliar spray | | Vegetables | Larvae of American serpentine leafminer, tomato leafminer, pea leafminer, vegetable leafminer, etc. | 1000× dilution | Foliar spray | | Vegetables | Larvae of imported cabbageworm, tobacco cutworm, fall webworm, cucumber moth, etc. | 1000× dilution | Foliar spray | | Garlic, Chinese chive | Chive maggot, garlic maggot | 250–375 mL/mu or 1500× dilution | Soil drench (root irrigation) |