Which exclusion applies to the practice under Branch 2?

In the context of Branch 2 practices, the exclusion that applies is fumigation with poisonous or lethal gases. This reflects adherence to safety and regulatory standards within pest control operations. Fumigation, especially using substances classified as poisonous or lethal, is tightly regulated due to its potential risks to human health and the environment.

Such processes require specialized training and certifications, and they fall under strict guidelines that govern how and when these materials can be used. The reason this option stands out is that these practices involve deeper risks and higher stakes concerning public safety, making them particularly relevant when discussing exclusions under pest control regulations.

The other options refer to practices that are more aligned with accepted methods of pest management. For instance, eco-friendly pesticides and organic pesticides are increasingly encouraged as part of integrated pest management strategies, reflecting a growing trend towards sustainability in pest control. None of these present the same level of risk or regulatory scrutiny as fumigation with lethal gases.