Which characteristic is crucial for a sticker to work effectively?

A sticker's primary function in pesticide applications is to enhance the adherence of the pesticide to the target surface, whether it's a plant, crop, or pest. Strong adhesive properties are crucial because they ensure that the pesticide remains in place long enough to be effective without being easily washed away by rain or irrigation, or blown away by wind. This adherence allows the pesticide to work longer and more effectively, improving its efficacy against the intended pest.

Other characteristics, while they may influence performance in different contexts, do not play as significant a role as adhesive properties in the functioning of a sticker in pesticide formulations. For instance, the ability to dissolve in water does not necessarily contribute to the effectiveness of the sticker, nor do high toxicity levels or moisture-repelling capabilities. Focusing on strong adhesion ensures that pesticides are applied correctly and have the best chance of performing as intended.