Insecticides
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Monitor
Group 1B
Formulation
Product
Company
Active ingredient
Formulation
Container size
Monitor (PCP# 12287)
Bayer CropScience
Methamidophos: 480 g/L
Liquid
10
L
Crops, Insects Controlled and Rates
Crop
Insects controlled
Rate per acre
Specific comments
Canola/rapeseed
Bertha armyworm
233 - 500
mL
Applications should begin when small larvae are present
or when damage first appears. A maximum of two
applications may be made per season. Do not apply
within 10 days of harvest.
Grasshopper
505
mL
Applications should begin when migration of
grasshoppers from ditches and field borders becomes
apparent. A maximum of two applications may be made
per season.
Potato
Aphids, Colorado potato beetle,
potato flea beetle, potato
leafhopper
707 - 910
mL
Apply in a 10 to 14 day program or as necessary. Do not
apply within 14 days of harvest.
Application Information
How to Apply
:
Ground and aerial application.
Water Volume
:
Ground: 80 - 400 L/acre. Aerial (canola only): 4 L/acre minimum.
Application Tips
Avoid use during flowering and pollination periods.
How it Works
Methamidophos is a broad spectrum, organophosphorus insecticide and acaricide that works by contact and systemic
action. Non-phytotoxic when used as directed. Contact effectiveness may persist for 7 - 21 days.
Restrictions
Re-entry
:
Do not re-enter treated fields until drifting insecticide and volatile residues have dissipated.
Environmental Precautions
This product is toxic to fish and wildlife. Do not apply to any body of water. Fish will be killed if their waters are
contaminated with this product. Wildlife in contact with treated areas may be harmed.
Drift
:
Do not apply under conditions involving possible drift to food, forage or other plantings that might be
damaged.
Toxicity
High acute mammalian toxicity. Acute oral LD
50
(
rats) = 13 - 15 mg/kg. Highly toxic to bees.
Storage
Store and display apart from food or feed. Do not store in or around the home. Store in a cool, dry place but not
below -10°C. Protect from heat.