Wyoming Right-of-Way Pest Control Practice Exam

The method of pesticide application referred to when it is applied to the leaves of a plant, shrub, or tree is called foliar application. This technique is specifically designed for delivering pesticides directly onto the foliage, allowing the active ingredients to be absorbed effectively through the leaf tissues.

Foliar applications are particularly advantageous because they can target pests that are present on the leaves, improving the efficacy of the pesticide in controlling insects or diseases that affect the foliage. Additionally, this method can be more environmentally friendly compared to some other application methods, as it tends to reduce the amount of pesticide needed and minimizes soil runoff.

The other options describe different methods of pesticide application that do not pertain to treating the leaves directly. For instance, broadcast application involves spreading pesticides over a large area, often affecting various plants and soil. Pour on implies a direct application to the base or soil around a plant, while in-furrow refers to applying pesticides directly into the planting furrow at the time of planting, targeting soil pests rather than foliage. Thus, foliar is distinct in its focus on leaf application, leading to its designation as the correct answer.