If only broadleaf weeds are to be controlled and an adjuvant is to be added to the tank mix, which of the following options describe the pesticide and additive that should be used?

The selection of a selective herbicide and a spreader additive is essential when the goal is to control only broadleaf weeds without harming desirable grasses or other plants. Selective herbicides are designed to target specific types of plants—in this case, broadleaf weeds—while leaving other vegetation unharmed. This selectivity enables effective weed management in turf and ornamental settings, where the preservation of desirable species is a priority.

Adding a spreader additive enhances the efficacy of the herbicide by improving the coverage and adherence of the pesticide to the leaf surface of the target weeds. This promotes better absorption of the herbicide into the plants, leading to more effective weed control.

In contrast, non-selective herbicides target all plants indiscriminately, making them unsuitable for scenarios where only broadleaf weeds need to be managed. Similarly, options such as wetting agents, emulsifiers, or stickers might serve specific functions but do not specifically enhance the desired selective control of broadleaf weeds in the presence of desired turf or ornamental plants. These additives could assist in other aspects of spray applications but do not offer the optimal combination for the targeted control of broadleaf weeds alone.