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What is osthole? Introduction to the mode of action of botanical pesticides

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Osthole - Osthole is the active ingredient extracted from the dried, mature fruit of Cnidium monnieri (cnidium fruit), a plant of the Apiaceae family; the formulation is 0.4% osthole emulsifiable concentrate. It acts mainly by contact toxicity, with stomach toxicity as a secondary effect, and has good control efficacy against cabbage caterpillars on cruciferous vegetables and tea geometrid moths on tea plants. For controlling cabbage caterpillars on cruciferous vegetables, the dosage is 80-120 ml of 0.4% emulsifiable concentrate per 667 sq m; for controlling tea geometrid moths on tea plants, the dosage is 100-120 ml of 0.4% emulsifiable concentrate. Generally, per 667 sq m use

Osthole - Osthole is the active ingredient extracted from the dried, mature fruit of Cnidium monnieri (cnidium fruit), a plant of the Apiaceae family; the formulation is 0.4% osthole emulsifiable concentrate. It acts mainly by contact toxicity, with stomach toxicity as a secondary effect, and has good control efficacy against cabbage caterpillars on cruciferous vegetables and tea geometrid moths on tea plants. For controlling cabbage caterpillars on cruciferous vegetables, the dosage is 80-120 ml of 0.4% emulsifiable concentrate per 667 sq m; for controlling tea geometrid moths on tea plants, the dosage is 100-120 ml of 0.4% emulsifiable concentrate. Generally, per 667 sq m use 50-75 kg of diluted spray solution, spray evenly, with a residual effect period of about 7 days, and it is safe for crops.

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