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Sample questions
What is the required dilution ratio for applying WeedtrineD to Duckweed?
Show answer
The mixing instructions for Duckweed specify a 25:1 dilution with a non-ionic surfactant.🔗 Source
What type of surfactant must be used when mixing WeedtrineD for floating aquatic weeds or duckweed?
- Anionic surfactant
- Non-ionic surfactant
- Cationic surfactant
- No surfactant is required for floating weeds
Show answer
The label specifies that floating weeds and duckweed require dilution with a non-ionic surfactant.🔗 Source
According to the PPE requirements, when is a dust/mist filtering respirator with NIOSH approval required?
- Only when applying to floating weeds
- When applying to muddy water
- When mixing, optimizing, or loading
- Only when applying in the late season
Show answer
The PPE section states a dust/mist filtering respirator is required when mixing, optimizing, or loading.🔗 Source
Under which environmental condition is it prohibited to apply WeedtrineD?
- In clear, still water
- In early spring
- Under conditions of high wind and wave action
- In ditches
Show answer
The label explicitly states: 'Do not apply under conditions of high wind and wave action.'🔗 Source
Where is WeedtrineD intended for use?
- In and around still waters such as lakes, ponds, and ditches
- In flowing rivers and streams
- In indoor decorative fountains only
- In muddy water environments
Show answer
The product description states it is intended for use in and around still waters such as lakes, ponds, and ditches.🔗 Source
Which of the following is a target pest for WeedtrineD?
- Pennywort
- Cattails
- Spirogyra spp.
- All of the above
Show answer
The label lists Pennywort (floating), Cattails (marginal), and Spirogyra spp. (filamentous algae) as target pests.🔗 Source
When applying WeedtrineD to submerged weeds during the late season, what is the required strip spacing?
- Strips no more than 20 feet apart
- Strips 40 feet apart
- Strips 64 feet apart
- Strips 25 feet apart
Show answer
For late season application to submerged weeds, the label states they should be applied in strips no more than 20 feet apart.🔗 Source
If WeedtrineD is applied at a rate of 8-10 gal/acre, what is the re-entry interval (REI)?
Show answer
The REI for an 8-10 gal/acre rate is 3 days.🔗 Source
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