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Safety - page 25 • First aid - page 33 • Resistance management - page 41
Herbicides
Crop
Stage
Seedling grasses: seedling smooth bromegrass, meadow
bromegrass, altai fescue, creeping red fescue, meadow fescue,
tall fescue, altai wild ryegrass, Russian wild ryegrass, timothy,
crested wheatgrass, intermediate wheatgrass, pubescent
wheatgrass, tall wheatgrass, slender wheatgrass, streambank
wheatgrass, northern wheatgrass, western wheatgrass, green
needlegrass. reed canary grass
Apply at the 2 - 4 leaf stage of crop.
Weeds, Rates and Staging
Weeds controlled in seedling stage at 1.11 L/acre.
ball mustard
lamb’s-quarters
stinkweed
wild mustard
wormseed mustard
Weeds controlled at 1.72 L/acre in seedling stage unless otherwise noted.
annual sow thistle*
bull thistle (rosette to
early bud)
buttercup (tall and creeping
when rapidly growing**
Canada thistle (15 cm to early
bud)
curled dock (rosette)
field bindweed (spring-rapid
growth)**
field horsetail (15 cm tall)**
hemp nettle*
perennial sow thistle
(
rosette)**
plantain (rosette)
ragweed
redroot pigweed
shepherd’s-purse
volunteer canola
wild radish*
*
Suppression only ** Top growth control only
Application Information
With
:
Apply with ground sprayers only. Do not apply by air.
Water volume
: 60 - 80
L/acre.
Application Tips
Spray in warm weather when plants are actively growing. Peas: Spray when growing conditions are good and the
peas are not under stress from drought or disease. Seedling alfalfa: Alfalfa vigour may be reduced in the year of
treatment; however, the crop recovers and yield will not be affected.
How it Works
A systemic, absorbed by leaves and stems and translocated to actively growing regions. It disrupts cell division,
stops cell growth and interferes with respiration and food reserves. Selectivity based on ability of plant to efficiently
convert MCPB to MCPA.
Expected Results
Broadleaf weeds should be dead within 2 - 3 weeks of treatment. Poor results and/or crop injury may be expected if
Water volume is incorrect or weeds are too mature.
Restrictions
Rainfall
:
Rainfall before the foliage has dried from the spraying may decrease activity.
Grazing
:
Seedling forage grasses: Do not graze the treated crop or cut for hay in the year of establishment. All other
crops: Do not permit lactating dairy animals to graze fields within 7 days after application. Do not harvest for forage
or cut hay within 7 days after application. Withdraw meat animals from treated fields at least 3 days before slaughter.
Re-cropping
:
None.
Environmental Precautions
Toxic to aquatic organisms and non-target terrestrial plants.
Runoff
:
Avoid contamination of aquatic areas as a result of runoff by using the recommended buffers between treated
ground and sensitive areas.
Leaching
:
This chemical may result in contamination of groundwater through leaching, particularly in coarse
textured soils or areas where the water table is shallow.
Toxicity
High acute mammalian toxicity. Acute oral LD
50
(
rats) = 500 mg/kg. Non-toxic to bees. Intake can cause convulsions
and coma. Can cause burns to the skin and eyes.
Tropotox Plus/Clovitox Plus/Topside (cont’d)