Illinois Field Crop Applicators Practice Test

Which type of pest control do these methods represent? - Rescue treatment of corn for black cutworm.

1. Cultural

2. Mechanical

3. Biological

4. Chemical

The correct answer is: Chemical

The method described involves a rescue treatment of corn specifically targeting black cutworm, indicating the use of pesticides or chemical agents to address an existing pest problem. Chemical control is a widely utilized approach to manage pests that threaten crops, particularly when pests are detected after they have caused damage or the potential for damage has emerged. In this context, "rescue treatment" signifies that the action is taken in response to an immediate issue with the pest, which aligns well with chemical methods typically employed for their effectiveness and speed in targeting insect populations directly. This approach is crucial for farmers looking to mitigate losses quickly, ensuring that the crops can recover and proceed toward harvest without significant yield reduction. Other methods, such as cultural practices, focus on altering agricultural practices to prevent pest establishment, mechanical methods involve physical removal or barriers against pests, and biological methods utilize natural predators or pathogens. While these alternatives are important in integrated pest management, the term "rescue treatment" specifically points to the urgent use of chemicals to combat the black cutworm infestation.