Introduction

666
Malathion Grain Dust
Company: Interprovincial Co-operative (Malathion Grain Protectant Dust) PCP#17222; Loveland Products Canada
(Malathion Grain Protector Dust) PCP# 15896
Formulation: 2% malathion
Insects controlled: confused flour beetles, flat grain beetles, granary weevil, Indian meal moth, lesser grain borer, rusty
grain beetle and sawtoothed grain beetle.
Approved for use on the following stored grains: Wheat, rye, barley and oats as stored grains.
Malathion Grain Dust can be applied to grain as it is being loaded into a bin or being turned by adding gradually at the
grain auger. It can also be used to control surface infestations by applying to the grain surface and raking in to 15 cm depth
of the grain. Malathion controls insects by ingestion and contact and insects must be active for it to be effective.
Rate:
Crop
Rate-g/1000 kg (tonne) grain
Wheat 415
Rye 450
Barley 520
Oats 735
Do not apply to grain within 7 days of sale.
Be aware that the Canadian Grain Commission allows only 8 ppm of malathion residues in stored grains.
Malathion 500, Malathion 85E
Refer to labels for these products for insect and mite control in empty grain bins, grain elevators, grain box cars and flour mills.
Note – Some commodities, such as canola, should not be stored in facilities recently treated with malathion.
Malathion 500 (IPCO)
Insect Rate Note
Rusty grain beetle, sawtoothed grain beetle, confused flour beetle, grain mite,
granary weevil, Indian meal moth, lesser grain borer (empty grain bins)
Malathion 85E (Loveland Products Canada)
250-300 ml/5 L of May be used within 1
water on 100 m 2 day of grain storage
Insect Rate Note
Rusty grain beetle, red flour beetle, sawtoothed grain beetle, confused flour
beetle, grain mite, granary weevil, Indian meal moth, lesser grain borer, flat
grain beetles, rice weevils (empty grain storage facilities)
Tempo 20 WP
Mix 490 ml in 15 L of
water. Apply 5 L of
mixture on 100 m 2
Wait until spray has
thoroughly dried
before storing grain in
treated areas.
Company: Bayer CropScience PCP#25673
Formulation: 20% cyfluthrin. Tempo is a group 3 (pyrethroid) insecticide.
Application: Tempo can be used to control insects in grain storage facilities, truck beds and other areas where grain is
stored before filling these areas with grain. Cleaning of all areas prior to use of Tempo 20 WP insecticide will increase levels of
control. See the insecticide label for specific mixing instructions.