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Pesticide Storage, Handling and
Application - Hazards of Most Commonly Used Pesticides in Ontario
Table of Contents
- Herbicides
- Insecticides
- Fungicides
- Nematodes
Herbicides
Metolachlor (Dual®)
- Labelled Signal Word: Warning
- Winter Storage: Preferably should not freeze. If
frozen, return to original state by allowing product to warm to 10-20°C
and agitate thoroughly before use.
- Leaching: Low
- Soil/Water Absorption: Moderate
- Soil/Water Solution: Low
- Mammalian Toxicity: Low toxicity (1001 - 10000 Oral
LD50 Rate mg/kg)
- Birds Toxicity: Very low toxicity (>2000 Acute
Oral mg/kg)
- Fish Toxicity: Moderate toxicity (2 - 10 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Atrazine (Aatrex®)
- Labelled Signal Word: Caution
- Winter Storage: Preferably should not freeze. If
frozen, return to original state by allowing product to warm to 10-20°C
and agitate thoroughly before use.
- Leaching: Moderate
- Soil/Water Absorption: Moderate
- Soil/Water Solution: Moderate
- Mammalian Toxicity: Low toxicity (1001 - 10000 Oral
LD50 Rate mg/kg)
- Birds Toxicity: Low toxicity (501 - 2000 Acute Oral
mg/kg)
- Fish Toxicity: Low toxicity (11 - 100 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Glyphosate (Roundup®, Touchdown®)
- Labelled Signal Word: Warning
- Winter Storage: Preferably should not freeze. If
frozen, return to original state by allowing product to warm to 10-20°C
and agitate thoroughly before use.
- Leaching: Low
- Soil/Water Absorption: High
- Soil/Water Solution: High
- Mammalian Toxicity: Low toxicity (1001 - 10000 Oral
LD50 Rate mg/kg)
- Birds Toxicity: Very low toxicity (>2000 Acute
Oral mg/kg)
- Fish Toxicity: Very low toxicity (>100 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
2,4-D amines
- Labelled Signal Word: Warning
- Winter Storage: Do not allow to freeze
- Leaching: Moderate
- Soil/Water Absorption: Low
- Soil/Water Solution: Moderate
- Mammalian Toxicity: Moderate toxicity (101 - 1000
Oral LD50 Rate mg/kg)
- Birds Toxicity: Moderate toxicity (51 - 500 Acute
Oral mg/kg)
- Fish Toxicity: Very low toxicity (>100 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Insecticides
Azinphos-methyl (Guthion®, Sniper®)
- Labelled Signal Word: Danger
- Winter Storage: Do not allow to freeze
- Leaching: Low
- Soil/Water Absorption: Moderate
- Soil/Water Solution: High
- Mammalian Toxicity: Extreme toxicity (0 - 10 Oral
LD50 Rate mg/kg)
- Birds Toxicity: High toxicity (10 - 50 Acute Oral
mg/kg)
- Fish Toxicity: Extreme toxicity (<0.1 ppm)
- Bee Toxicity: Kills on contact
Terbufos (Counter®)
- Labelled Signal Word: Danger
- Winter Storage: Not usually damaged by freezing.
Store in a cool, dry place. Emulsifiable concentrate and solution formulations
in this group are stable to -18°C. Dry flowable formulations packaged
in water-soluble film should not be moved while frozen.
- Leaching: Low
- Soil/Water Absorption: Low
- Soil/Water Solution: Moderate
- Mammalian Toxicity: Extreme toxicity (0 - 10 Oral
LD50 Rate mg/kg)
- Birds Toxicity: High toxicity (10 - 50 Acute Oral
mg/kg)
- Fish Toxicity: Moderate toxicity (2 - 10 ppm)
- Bee Toxicity: Kills bees if applied over them.
Carbaryl (Sevin®)
- Labelled Signal Word: Warning
- Winter Storage: Do not allow to freeze
- Leaching: Low
- Soil/Water Absorption: Low
- Soil/Water Solution: Moderate
- Mammalian Toxicity: Moderate toxicity (101 - 1000
Oral LD50 Rate mg/kg)
- Birds Toxicity: Low toxicity (501 - 2000 Acute Oral
mg/kg)
- Fish Toxicity: Moderate toxicity (2 - 10 ppm)
- Bee Toxicity: Kills on contact.
Carbofuran (Furadan®)
- Labelled Signal Word: Danger
- Winter Storage: Do not allow to freeze
- Leaching: HIgh
- Soil/Water Absorption: Moderate
- Soil/Water Solution: High
- Mammalian Toxicity: Extreme toxicity (0 - 10 Oral
LD50 Rate mg/kg)
- Birds Toxicity: High toxicity (10 - 50 Acute Oral
mg/kg)
- Fish Toxicity: High toxicity (0.1 - 1 ppm)
- Bee Toxicity: Kills on contact.
Cypermethrin (Cymbush®)
- Labelled Signal Word: Warning
- Winter Storage: Do not allow to freeze
- Leaching: Very low
- Soil/Water Absorption: Moderate
- Soil/Water Solution: Low
- Mammalian Toxicity: Moderate toxicity (101 - 1000
Oral LD50 Rate mg/kg)
- Birds Toxicity: Very low toxicity (>2000 Acute
Oral mg/kg)
- Fish Toxicity: Moderate toxicity (2 - 10 ppm)
- Bee Toxicity: Kills on contact.
Fungicides
Mancozeb (Dithane®, Manzate, Penncozeb®)
- Labelled Signal Word: Caution
- Winter Storage: Not usually damaged by freezing.
Store in a cool, dry place. Emulsifiable concentrate and solution formulations
in this group are stable to -18°C. Dry flowable formulations packaged
in water-soluble film should not be moved while frozen.
- Leaching: Low
- Soil/Water Absorption: High
- Soil/Water Solution: Low
- Mammalian Toxicity: Low toxicity (1001 - 10000 Oral
LD50 Rate mg/kg)
- Birds Toxicity: Low toxicity (501 - 2000 Acute Oral
mg/kg)
- Fish Toxicity: Low toxicity (11 - 100 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Sulfur
- Labelled Signal Word: Caution
- Winter Storage: Not usually damaged by freezing.
Store in a cool, dry place. Emulsifiable concentrate and solution formulations
in this group are stable to -18°C. Dry flowable formulations packaged
in water-soluble film should not be moved while frozen.
- Leaching: Moderate
- Soil/Water Absorption: High
- Soil/Water Solution: Low
- Mammalian Toxicity: Low toxicity (1001 - 10000 Oral
LD50 Rate mg/kg)
- Birds Toxicity: Very low toxicity (>2000 Acute
Oral mg/kg)
- Fish Toxicity: Very low toxicity (>100 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Myclobutinal (Nova®)
- Labelled Signal Word: Caution
- Winter Storage: Do not allow to freeze
- Leaching: Low
- Soil/Water Absorption: Low-Moderate
- Soil/Water Solution: Low
- Mammalian Toxicity: Low toxicity (1001 - 10000 Oral
LD50 Rate mg/kg)
- Birds Toxicity: Low toxicity (501 - 2000 Acute Oral
mg/kg)
- Fish Toxicity: Moderate toxicity (2 - 10 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Nematodes
1,3-dichloropropene (Telone®)
- Labelled Signal Word: Danger
- Winter Storage: Preferably should not freeze. If
frozen, return to original state by allowing product to warm to 10-20°C
and agitate thoroughly before use.
- Leaching: Moderate-High
- Soil/Water Absorption: Low
- Soil/Water Solution: High
- Mammalian Toxicity: Moderate toxicity (101 - 1000
Oral LD50 Rate mg/kg)
- Birds Toxicity: Moderate toxicity (51 - 500 Acute
Oral mg/kg)
- Fish Toxicity: High toxicity (0.1 - 1 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
Methyl isothiocyanate (Vorlex®)
- Labelled Signal Word: Danger
- Winter Storage: Preferably should not freeze. If
frozen, return to original state by allowing product to warm to 10-20°C
and agitate thoroughly before use.
- Leaching: Moderate-High
- Soil/Water Absorption: Low
- Soil/Water Solution: High
- Mammalian Toxicity: Moderate toxicity (101 - 1000
Oral LD50 Rate mg/kg)
- Birds Toxicity: Moderate toxicity (51 - 500 Acute
Oral mg/kg)
- Fish Toxicity: High toxicity (0.1 - 1 ppm)
- Bee Toxicity: Relatively non-toxic. Can be used with
few precautions with minimum injury to bees.
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Management Practices - Pesticide Storage, Handling and Application
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For more information:
Toll Free: 1-877-424-1300
Local: (519) 826-4047
E-mail: ag.info.omafra@ontario.ca
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