Herbicides
203
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Safety - page 25 • First aid - page 33 • Resistance management - page 41
Weed listing and rate range for individual formulations may differ slightly; please consult the product label for
specific weed controlled and rates for each formulation.
Susceptible weeds
Harder to control weeds
Top growth control only
MCPA Amine 500: 0.28 - 0.45 L/acre
MCPA Ester and amine 600:
0.24 - 0.36
L/acre
MCPA 400 K: 0.61 - 0.67 L/acre
MCPA 300 Na: 0.5 - 0.81 L/acre
MCPA amine 500: 0.45 - 0.71 L/acre
MCPA amine and ester 600:
0.42 - 0.61
L/acre
MCPA 400 K: 0.71 - 0.81 L/acre
MCPA 300 Na: 0.81 - 1.1 L/acre
MCPA amine 500: 0.45 - 0.71 L/acre
MCPA amine and ester 600:
0.42 - 0.61
L/acre
MCPA 400 K: 0.71 - 0.81 L/acre
MCPA 300 Na: 0.81 - 1.1 L/acre
bluebur
burdock (before 4 leaf stage)
cocklebur
common plantain
flixweed (seedlings)
Indian mustard
kochia
lamb’s-quarters
prickly lettuce
ragweed
Russian pigweed
shepherd’s-purse
stinkweed
vetch
wild radish
wild mustard
wormseed mustard
wild sunflower
Weeds listed under susceptible plus
blue lettuce
Canada thistle
corn spurry
chicory
dog mustard
field bindweed
field horsetail
gumweed
hedge bindweed
hoary cress
lady’s-thumb
leafy spurge
perennial sow-thistle
Russian knapweed
Russian thistle
smartweed
tartary buckwheat
teasel
wild buckwheat
wormwood
annual sow-thistle
biennial wormwood
common chickweed
curled dock (before the
4-
leaf stage)
daisy fleabane
dandelion
goat’s-beard
hairy galinsoga
hawkweed
heal-all
hempnettle (before the
4-
leaf stage)
knotweed (before the
4-
leaf stage)
kochia
mouse-eared chickweed
oak-leaved goosefoot
peppergrass
pineapple weed,
plantain
purslane
redroot pigweed
sheep sorrel
smartweed
stinging nettle
tansy mustard
velvetleaf
wild radish,
yellow rocket (before
the 4-leaf stage)
Registered Tank Mixes
Barley
MCPA 500 amine (400 mL/acre) + Sencor (111 - 202 mL/acre)
MCPA 500 amine (344 mL/acre) + Banvel (93 mL/acre)
MCPA K-salt (404 mL/acre) + Banvel II (92 mL/acre)
MCPA K-salt (270 - 550 mL/acre) + Pardner (404 mL/acre)
Wheat
MCPA 500 amine (400 mL/acre) + Sencor (111 - 172 mL/acre)
MCPA 500 amine (344 mL/acre) + Banvel (93 mL/acre)
MCPA K-salt (404 mL/acre) + 117 mL/acre)
MCPA K-salt (270 - 550 mL/acre) + Pardner (404 mL/acre). Note: Do not exceed 270 mL/acre rate of MCPA K-salt
in winter wheat using this tank mixture.
Oats
MCPA K-salt (270 - 550 mL/acre) + Pardner (404 mL/acre)
Cereals underseeded to alfalfa and bird’s-foot trefoil
MCPA 500 amine (28 mL/acre) + Embutox (505 mL/acre)
Application Information
How to Apply:
Ground and air.
Water Volume:
Cereals, flax, pastures, forage grasses: 40 L/acre; Peas: minimum of 61 L/acre; Pasture, rangeland
and turf: 180 L/acre; Cereals underseeded to legumes: 61 - 81 L/acre.
Application Tips
Best weed control occurs when daytime temperatures are above 21°C and nighttime temperatures are at 10°C. Do not
spray when air temperature is above 27°C. Extremely hard water may reduce performance. When applying to flax
MCPA (cont’d)