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Agricultural drug type selection method
There are various types of agricultural dosage forms, including water-based formulations. Choosing the right formulation for a specific pesticide depends on several factors, such as the chemical properties of the active ingredient, the needs of the target organism, and the advantages and limitations of different dosage forms. A comprehensive evaluation of these aspects is essential to make an informed decision. In general, selecting an appropriate dosage form requires careful consideration of the physical and chemical characteristics of the compound.
Key physicochemical properties such as melting point, solubility, volatility, lipophilicity, hydrolytic stability, and photostability play a crucial role in the development of effective pesticide formulations. These properties determine how the active ingredient behaves during application and how it interacts with the environment. The primary goal of any dosage form is to ensure that the pesticide reaches its intended target efficiently and enhances its overall performance.
The formulation has a significant impact on the quality of pesticide sprays and their retention on plant surfaces. By using process aids, the dynamic surface tension of the formulation can be modified, which influences spray atomization and droplet behavior. The choice of additives, their concentration, and the ratio to the active ingredient can greatly affect the spray’s performance, including droplet size, distribution on leaves, and deposition efficiency.
These factors directly influence how the pesticide is distributed within the plant, particularly on leaf surfaces, and affect the retention and subsequent movement of the active ingredients. Understanding how the formulation interacts with the crop and the target pest is essential for maximizing efficacy and minimizing environmental impact. Additionally, the penetration of the formulation into the leaf and its biological activity are critical for achieving optimal results.
Source: China's Pesticide Network. Please cite the source!