Practice 8 Callisto exam questions with instant feedback and cited explanations.
To manage herbicide resistance when using Callisto, what should the user do?
Answer: To manage herbicide resistance, users should follow integrated weed management practices, such as crop rotation and using different modes of action.
In what manner does the herbicide work for weeds during the postemergence application phase?
Answer: When used postemergence, it is absorbed through the leaves and/or emerging weeds.
What is the maximum allowable wind speed for applying Callisto?
Answer: Do not apply when wind speeds exceed 10 mph.
When applying Callisto as a preemergence herbicide, what is the recommendation regarding rainfall?
Answer: For preemergence applications, it is recommended to ensure an activating rain (0.25 inches) occurs within 7-10 days after application.
To prevent injury to corn, which of the following mixing practices should be avoided when using Callisto postemergence?
Answer: Avoid mixing with certain herbicides (e.g., Counter or Lorsban) postemergence to corn to prevent injury.
Which set of Personal Protective Equipment (PPE) is required when handling Callisto?
Answer: Handling requires specific Personal Protective Equipment (PPE), including long-sleeved shirts, long pants, shoes plus socks, and chemical-resistant gloves.
Under what weather condition should an applicator avoid applying Callisto to prevent surface water contamination?
Answer: Avoid application when rainfall is forecasted within 48 hours to prevent surface water contamination.
Which of the following crops is explicitly listed as a restricted site where Callisto should NOT be applied?
Answer: Do not apply to white popcorn or ornamental (Indian) corn.