Chlorpyrifos 40.8% W/W

Trade Name: Dursban
Chemical Group: Organophosphate
Formulation: Emulsifiable Concentrate (EC)
Mode of Action: Non-systemic insecticide with contact, stomach, and fumigant action.

Mechanism of Action:

• Chlorpyrifos inhibits acetylcholinesterase, disrupting the central nervous system of insects, leading to death.

• Acts primarily as a contact and stomach insecticide.

• Has penetrative action, allowing control of pests on the underside of leaves and within plant tissues.

• Efficacy decreases at low temperatures.

Application Management:

• Effective against a wide range of sucking and chewing insects.

• Recommended for use on stone fruit trees before bud swelling and after petal fall.

• Do not apply during flowering.

Target Pests and Application Rates:

Pre-Harvest Interval (PHI):

• Cold climate fruits: 40 days

Compatibility and Mixing:

• Do not mix with copper- or sulfur-based pesticides.

• Use only as recommended by agricultural specialists.