HORTICULTURE

Detailed explanation-1: -Acute toxicity is measured by LD50 and LC50 values. The smaller the LD50, the more toxic the pesticide. Example: a pesticide with an LD50 of 5 mg/kg is 100 times more toxic than a pesticide with an LD50 of 500 mg/kg Page 2 2 values are given in milligrams per kilogram of body weight of the animal (mg/kg body wt.).

Detailed explanation-2: -Toxicity category I is highly toxic and severely irritating, Toxicity category II is moderately toxic and moderately irritating, Toxicity category III is slightly toxic and slightly irritating, Toxicity category IV is practically non-toxic and not an irritant.