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Safety - page 25 • First aid - page 33 • Resistance management - page 41
Herbicides
Mixing Instructions
Only use sprayers that have good agitation. Ensure the sprayer is properly cleaned prior to adding Frontline. Use
mixing instructions “b” on page 13.
Application Tips
Do not apply to crops underseeded to legumes. Apply Frontline early post-emergence to the main flush of broadleaf
weeds. Warm, moist conditions that promote active weed growth, small weed size and competitive crop and good
growing conditions after application will optimize the weed control.Weeds hardened off by cold weather or drought
stress may not be adequately controlled or suppressed, and regrowth may occur. For best results, ensure adequate
spray coverage of the target weeds. Only weeds that are emerged at time of application will be controlled. If the
foliage of the weed is wet at the time of application, control may be reduced.
How it Works
Frontline XL herbicide contains a Group 2 and a Group 4 mode of action herbicide. The Group 2 mode of action
herbicide inhibits the production of the ALS enzyme in plants. This enzyme is essential for the production of
certain amino acids required for plant growth. The Group 4 mode of action herbicide disrupts normal plant growth
regulation, resulting in death of susceptible plants.
Expected Results
Weeds susceptible to Frontline will stop growing almost immediately. The weeds turn yellow or reddish. Symptoms
such as yellowing and red colouration may not be noticeable for 1 - 2 weeks. Some twisting may also be observed on
weeds sensitive to MCPA. Warm, moist conditions, small weed size and competitive crop will optimize weed control
provided by Frontline.
Restrictions
Rainfall
:
Heavy rainfall immediately after application may wash the chemical off the foliage, and a repeat treatment
may be required. Do not apply if rainfall is forecast for the time of application.
Grazing
:
Do not permit lactating dairy animals to graze fields within 7 days after application. Do not harvest forage
or cut hay within 7 days after application. Withdraw meat animals from treated fields at least 3 days before slaughter.
Pre-harvest Interval
:
Do not harvest the treated crop within 60 days after application.
Environmental Precautions
Highly toxic to aquatic organisms and non-terrestrial plants. Observe buffer zones specified under Directions for Use
on the label.
Runoff
:
To reduce runoff from treated areas into aquatic habitats, consider the characteristics and conditions of the
site before treatment.
Drift
:
Do not allow spray mist to drift since drift can cause damage to non-target crops and plants. Do not apply
when winds are gusty or in excess of 15 km/h. When spraying, avoid combinations of pressure and nozzle type that
will result in fine particles (mist), which are more likely to drift.
Toxicity
Frontline XL is practically non-toxic to birds. Acute oral LD
50
is > 2,000 mg/kg. Frontline XL is also moderately
toxic to fish.
Storage
Store in a dry, heated storage. If products are frozen, bring to room temperature and agitate before use.
Frontline XL (cont’d)