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Sample questions
When treating field grown nursery stock (roots) for root weevil larvae, how should the bare-root treatment be applied?
- By spraying the insecticide solution onto the roots only
- By dipping the roots into the insecticide solution for ten seconds or by spraying the solution onto the roots
- By incorporating the product into the field soil via drenching
- By applying 1 gallon of product per 100 gallons of water to the container media
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Bare-root treatment involves dipping the roots into the solution for ten seconds or spraying the solution onto the roots.🔗 Source
When applying a drench to containerized plants, what volume of finished spray is ideally required to treat the media to the point of saturation?
- 1/2 the volume of the container
- 1/5 the volume of the container
- The same volume as the container diameter
- 1/10 the volume of the container
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Ideally, the media should be treated to the point of saturation, which generally requires 1/5 the volume of the container.🔗 Source
To provide two growing seasons of control for black vine weevil larvae in the spring, what dilution and application rate should be used?
- 10 fl oz per 100 gallons and 4 fl oz per 6-inch container
- 10 to 40 fl oz per 100 gallons and 4 fl oz per 6-inch container
- 20 to 40 fl oz per 100 gallons and 8 fl oz per 6-inch container
- 40 to 80 fl oz per 100 gallons and 16 fl oz per 6-inch container
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Diluting 20 to 40 fluid ounces per 100 gallons and applying 8 fluid ounces per 6-inch container provides control for two growing seasons when applied in the spring.🔗 Source
When incorporating the product into potting media for black vine weevil and white grub larvae, how should it be applied?
- By dipping the media into a 100-gallon tank
- By applying 8 fluid ounces per 6-inch container as a drench
- By diluting in water and sprinkling or spraying it onto the media
- By applying a single drench in the spring only
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Media Incorporation involves diluting the product in water and sprinkling or spraying it onto the media.🔗 Source
What is the required dilution for a preventative treatment of white grubs (Japanese beetle, oriental beetle, and European chafer) in containerized plants?
- 10 to 40 fl oz per 100 gallons
- 20 to 40 fl oz per 100 gallons
- 40 to 80 fl oz per 100 gallons
- 80 to 100 fl oz per 100 gallons
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The label specifies a dilution of 40 to 80 fluid ounces per 100 gallons for white grubs in containerized plants.🔗 Source
For a curative application of Diaprepes weevil larvae in 6-inch diameter containers, what is the correct application rate?
- 4 to 8 fluid ounces of finished spray
- 10 to 40 fluid ounces of finished spray
- 8 to 16 fluid ounces of finished spray
- 20 to 40 fluid ounces of finished spray
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The curative rate for Diaprepes weevil larvae in 6-inch containers is 8 to 16 fluid ounces of finished spray.🔗 Source
When treating containerized plants for a preventative infestation of black vine weevil larvae, what is the recommended application rate per 6-inch diameter container?
- 4 to 8 fluid ounces of finished spray
- 8 to 16 fluid ounces of finished spray
- 20 to 40 fluid ounces of finished spray
- 1 to 2 fluid ounces of finished spray
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For preventative control of black vine weevil larvae in 6-inch containers, the rate is 4 to 8 fluid ounces of finished spray.🔗 Source
What is the dilution rate for preventative fungus gnat larvae control in containerized plants?
- 10 to 40 fl oz per 100 gallons
- 20 to 40 fl oz per 100 gallons
- 40 to 80 fl oz per 100 gallons
- 1 quart to 1 gallon per cubic yard
Show answer
The dilution for preventative fungus gnat larvae is 20 to 40 fl oz per 100 gallons.🔗 Source
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