Chlorpyrifos emulsifiable liquid 40.8%
Chlorpyrifos EC 40.8%
Oral LD50 = 135-163 mg/Kg


Introduction:
Chlorpyrifos is the first brand name Dursban has been registered in the country. It is a non-systemic insecticide with a contact and digestive effect from the organophosphorus group, which kills pests by inhibiting the cholinesterase enzyme. This insecticide has a small amount of fumigating and acaricidal properties, which controls a wide range of chewing and sucking pests in many crops and gardens. The active substance of chlorpyrifos penetrates the waxy layer of plant tissues; Therefore, it is used not only to control active pests (rodents) on plants, but also for insects inside plant tissues (stem eaters). This is because the vapors of this insecticide penetrate into the soil, causing the destruction of soil pests (such as winter moth larvae in various crops, beet flea, roundworm, etc.).

Measures and uses:
pest product dosage
cold fruit trees, weevils 1 to 1.5 per thousand
compounds of shields and weevils 1.5 to 2 per thousand