OHP Adept is a benzoyl urea insect growth regulator formulated as water-soluble packets for the control of soil and foliar insects in enclosed ornamental production.
Chemical Composition and Formulation
The active ingredient is Diflubenzuron at 250 percent. It is formulated as water-soluble packets WSP containing 1 ounce each, packaged as 16 packets per 1-pound bag. The product belongs to the benzoyl urea chemical family and is classified under Insecticide Mode of Action Group 15. The EPA Registration Number is 400-477.
Functional Mechanism and Design
Diflubenzuron is a chitin synthesis inhibitor. It disrupts the formation of chitin, a critical component of the insect exoskeleton, during the molting process. This mode of action prevents larval insects from developing a new exoskeleton, leading to death during or after a molt. The product is active against the larval stages of target pests.
Target Applications and Performance
This product is labeled for use on ornamental crops grown in greenhouses, shade houses, and interiorscapes. It controls the larvae of fungus gnats, shore flies, armyworms, and leafminers, and provides suppression of whiteflies.
Application Specifications and Protocol
The product can be applied as a foliar spray or a soil drench. The specified application rate is 1 ounce per 100 gallons for drench applications and 2 ounces per 100 gallons for spray applications. The product label must be consulted for rates per single gallon and complete instructions. Exceeding label rates can cause serious foliar injury, particularly to poinsettias, hibiscus, and Rieger begonia application to these crops is prohibited.
Handling and Safety
The product bears the signal word CAUTION. The restricted entry interval REI is 12 hours. Applicators must follow all handling, personal protective equipment PPE, storage, and disposal instructions on the EPA-approved product label. It is important to note that multiple retailers list this product as discontinued by the manufacturer.
