Pyrimethanil

It has protective activity in control of gray mould and both protective and curative activity in control of leaf scab.It is inhibitor of methionine biosynthesis leading to inhibition of enzymes necessary for infection.It has good effective to control of gray mould on vines,fruit( such as strawberry),vegetables(such as tomato and cucumber) and ornamentals,control of leaf scab on pome fruit such as apple and pear. Physical character: White crystal or yellowish white crystal Toxicity: Low toxicity, mouse oral LD50 of 4061 5358mg/kg, rat oral LD50 of 4150 5971mg/kg, Rat percutaneous LD50 greater than 5000mg/kg. None of the rabbit eye and skin irritation.In the test dose, no teratogenic, carcinogenic, mutagenic effect to the animals.