Herbicides
229
• 
Safety - page 25 • First aid - page 33 • Resistance management - page 41
Restrictions
Rainfall
:
Rainfall within one hour of application may reduce the weed control.
Grazing
:
Do not graze the treated crop or cut for hay; sufficient data are not available to support such use. Forage
legumes indicated in the label may be cut for hay provided pre-harvest intervals are followed
Re-entry
:
Do not enter or allow entry into treated areas for 12 hours.
Pre-harvest Intervals:
Crop
Pre-harvest interval
Crop
Pre-harvest interval
Alfalfa
70
days
Forage legumes*
30
days
Beans, snap
15
days
Lentils and chickpeas
65
days
Brussel sprouts
70
days
Celery
30
days
Buckwheat
85
days
Lupin
80
days
Canola
70
days
Mustard
76
days
Chickling vetch
70
days
Potato
80
days
Dry common bean
80
days
Safflower
90
days
Dry peas
60
days
Solin
86
days
Fababeans
70
days
Sunflower
105
days
Flax
60
days
*
Forage legumes includes Alsike clover, cicer milkvetch, sainfoin and sweet clover.
Re-cropping
:
A plant-back interval of 30 days is required for all crops other than those listed on the label.
Environmental Precautions
Poast Ultra is toxic to aquatic organisms and non-target terrestrial plants. Observe buffer zones specified on the label.
Avoid contamination of aquatic systems during applications.
Runoff
:
Avoid runoff from treated areas into aquatic habitats.
Toxicity
Low acute toxicity. Acute oral LD
50
(
rats) = > 4,000 mg/kg.
Storage
Store product in a cool, dry place. Freezing will not reduce effectiveness.
PrePass XC
Group 4, 9
Formulation
Product
Company
Active ingredient
Formulation
Container size
PrePass XC A (PCP# 27395)
Dow AgroScience Florasulam SC: 50 g/L Suspension concentrate 1.6 L jug, 4 x 12 L jug
PrePass XC B (PCP# 29652)
Glyphosate: 480 g/L
Solution
2
x 7.5 and/or 4 x 112.5 L
or 450 L
Acres to Treat
PrePass XC A: 1.6 L will treat 40 acres. PrePass XC B: 2 X 7.5L jugs will treat 40 acres or as bulk treat 1200 acres.
Crops and Timing
Crop
Timing
Pre-seed weed burn-down
Apply prior to planting barley, oats or wheat to control emerged labelled weeds.
Poast Ultra (cont’d)