Herbicides
155
• 
Safety - page 25 • First aid - page 33 • Resistance management - page 41
Runoff
:
Do not apply where runoff or erosion is likely to occur.
Toxicity
Tepraloxydim
:
Low oral toxicity. Acute Oral LD
50
= 2,000 - 3,000 mg/kg.
Clopyralid
:
Very low acute mammalian toxicity. Acute oral LD
50
(
rats) = >2,000 mg/kg. Extremely low toxicity to
fish.
MCPA
:
Moderate acute mammalian toxicity. Acute oral LD
50
(
rats) = technical 700 - 880 mg/kg.
Storage
Store the product in original, tightly-closed container and do not allow water to be introduced into this container.
Store the product in a cool, dry, locked, well ventilated area without a floor drain.
Fortress
Group 3, 8
Formulation
Product
Company
Active ingredient
Formulation
Container size
Fortress (PCP# 15921)
Gowan Canada
10%
triallate + 4% trifluralin
Granules
22.7
kg, 454 kg
Crops and Staging
Crop
Stage
Barley
Flax*
Mustard
Rapeseed including canola
Wheat (spring and durum)
Fall preplant incorporated: apply in the fall after September until
soil freeze up.
Spring preplant incorporated: prior to seeding
*
Do not use on low linolenic acid varieties.
Weeds Controlled
green foxtail
wild oats
yellow foxtail
Annual broadleaves suppressed
kochia
red root pigweed
lamb’s-quarters
Russian thistle
wild buckwheat
Rate
Apply Fortress according to soil organic matter contents.
Crop
Organic matter contents (%)
< 2%
2 - 4%
4 - 6%
> 6%
> 8%
Fall granular applications (kg/acre)
Barley
4.5
5.7
5.7
6.9
6.9
Wheat (spring and durum)
–
4.5
5.7
5.7
6.9
Flax, mustard, rapeseed
5.7
5.7
5.7
6.9
6.9
Spring granular applications (kg/acre)
Barley
4.5
5.7
5.7
6.9
5.0 - 7.5
Wheat (spring and durum)
–
–
4.5
5.7
5.0 - 7.5
Flax, mustard, rapeseed
5.7
5.7
5.7
6.9
As desired
FlaxMax DLX (cont’d)