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Sample questions
When using Optogen, what is the restriction regarding the number of applications of herbicides with the same mode of action?
- Do not exceed one application per season
- Do not exceed three applications per season
- Do not use more than two applications of this or any other herbicide with the same mode of action in a single growing season when mixed with an herbicide with a different mode of action providing overlapping spectrum for difficult to control weeds
- There is no restriction on the number of applications if used alone
Show answer
The label states: 'DO NOT use more than two applications of this or any other herbicide with the same mode of action in a single growing season mixed with an herbicide with a different mode of action providing overlapping spectrum for difficult to control weeds.'🔗 Source
In which specific geographic locations is the sale, use, and distribution of Optogen prohibited?
- Any county in the State of New York
- Nassau and Suffolk Counties in the State of New York
- All coastal counties in the State of New York
- Suffolk County only
Show answer
The label states: 'Sale, use and distribution prohibited in Nassau and Suffolk Counties in the State of New York.'🔗 Source
According to the product label, what is the required Restricted Entry Interval (REI) for treated areas?
- 12 hours
- 24 hours
- 48 hours
- 72 hours
Show answer
The label states: 'A restricted entry interval (REI) of 24 hours applies to treated areas.'🔗 Source
Which of the following is a listed PPE requirement for handling Optogen?
- Chemical-resistant apron
- Chemical-resistant gloves
- Face shield
- N95 respirator
Show answer
The label states: 'Personal Protective Equipment (PPE) requirements include long-sleeved shirts, long pants, shoes plus socks, and chemical-resistant gloves...'🔗 Source
When using Optogen for postemergence weed control, how is the herbicide absorbed by the target weeds?
- Through the soil
- Through the foliage
- Through the roots
- Through the stems
Show answer
The label states: 'For preemergence applications, it is absorbed through the soil, and for postemergence, it is absorbed through the foliage of emerged weeds.'🔗 Source
To reduce the risk of runoff, under what weather condition should application be avoided?
- If temperatures exceed 90°F
- If high winds are expected
- If rainfall or irrigation is expected within 48 hours
- If frost is expected within 24 hours
Show answer
The label states: 'Avoid application if rainfall or irrigation is expected to occur within 48 hours to reduce runoff risk.'🔗 Source
What is a specified environmental precaution regarding the use of Optogen?
- Do not apply during high winds
- Do not apply to crops in sandy soil
- Do not apply directly to water or allow runoff to enter surface water
- Do not apply during the night
Show answer
The label states: 'do not apply directly to water or allow runoff to enter surface water.'🔗 Source
Which of the following is an approved way to use Optogen in a tank mixture?
- Mixed with a systemic fungicide
- Mixed with a burndown herbicide prior to planting
- Mixed with a nitrogen fertilizer
- Mixed with any other Group 27 herbicide
Show answer
The label states: 'It can also be used in tank mixtures with burndown herbicides prior to planting.'🔗 Source
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