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Sample questions
To achieve best results when controlling Vaseygrass, Dallisgrass, and Johnsongrass, what should the product be combined with?
- A surfactant at 1% v/v
- MSO at 0.5 to 1% v/v
- Water at a 1:10 ratio
- A nitrogen fertilizer
Show answer
For best results against these specific pests, apply in combination with MSO at 0.5 to 1% v/v.🔗 Source
When using the product for Bahiagrass growth regulation, what may occur if use rates greater than 3 ounces per acre are applied?
- Unacceptable bahiagrass discoloration
- Complete death of the bahiagrass
- Increased seedhead production
- Rapid bahiagrass green-up
Show answer
Higher use rates, including those used for weed control (greater than 3 ounces per acre), may cause unacceptable bahiagrass discoloration.🔗 Source
In which geographic location is the use of Derigo 2026 03 22 prohibited?
- Texas
- Florida
- California
- Georgia
Show answer
The label restrictions state: '**Not for use in California.'🔗 Source
Where should Derigo 2026 03 22 be applied?
- Indoor only
- Outdoor only
- Indoor and Outdoor
- Greenhouse only
Show answer
All listed applications for the product specify the location as 'Outdoor'.🔗 Source
When applying for Bahiagrass growth regulation, which condition should the technician avoid?
- Applying after bahiagrass green-up
- Applying as a broadcast spray
- Applying when bahiagrass is under visible signs of stress due to drought
- Applying in the morning
Show answer
The label advises to avoid applications when bahiagrass is under visible signs of stress due to drought or other environmental factors.🔗 Source
Which of the following pests is specifically listed as a target for Derigo 2026 03 22?
- Johnsongrass
- Crabgrass
- Dandelion
- Quackgrass
Show answer
The label explicitly lists JOHNSONGRASS as a target pest.🔗 Source
According to the label, when is the best time of year to apply the product to provide better control of dallisgrass?
Show answer
Applications made in the fall generally provide better control of dallisgrass than at other times of the year.🔗 Source
When applying Derigo 2026 03 22 for broadleaf weeds and grasses in warm season perennial grasses, what is the maximum total amount of product allowed per acre in a single calendar year?
- 3 ounces per acre
- 6 ounces per acre
- 12 ounces per acre
- 6 ounces per 25 gallons
Show answer
The total amount of product applied in a calendar year (365 days) must not exceed 6 ounces of product per acre.🔗 Source
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