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February 2006
Reference: Manitoba Agriculture, Food and Rural Initiatives

 ALWAYS CONSULT THE INSECTICIDE LABEL BEFORE MAKING INSECTICIDE DECISIONS

*Insecticide Group: C=carbamates, OP=organophosphates, OC=organochlorines

**LD 50 values represent the relative toxicity of a pesticide. They represent the dose (in
mg/kg body weight) that will kill 50% of the test animals. Thus the lower the number the
greater the toxicity. Values given are for oral LD 50.

Timothy – See forage grasses

Wheat – See small grains