What limitation do Erioglaucine and Tartazine have in their application?

Erioglaucine and Tartazine, commonly used for aquatic pest control, have a key limitation in that they are not effective in waters that are less than two feet deep. This is primarily due to their mode of action, which relies on the specific conditions that typically exist in deeper water to function effectively. In shallower depths, the concentration of these herbicides may not be sufficient to achieve the desired control of aquatic plants, as the water mixing and reduced exposure can limit their efficacy.

This characteristic governs their application, as using them in environments where water depth is less than this threshold can lead to limited or no control over target aquatic vegetation, resulting in ineffective management of the pest problem. Understanding the limitations of these chemicals is crucial for effective pest control strategies and ensuring that treatments are applied in suitable environments for optimal performance.