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Effective application of dendritic polymers in sustained release of pesticides
Dendritic polymers offer significant advantages over traditional pesticides, particularly in terms of sustained release. These benefits include:
1) Enhanced solubility, which reduces the amount of active ingredient needed;
2) Minimized environmental loss, increasing pesticide efficiency and reducing overall usage;
3) Improved adhesion to plant surfaces, leading to better retention and longer residence time;
4) Better penetration into plant or pest surfaces, thereby boosting efficacy;
5) Controlled release rates that make the formulation more functional and energy-efficient;
6) Long-lasting effects with a single application;
7) Excellent resistance to rain and weather, ensuring greater environmental stability.
For example, dendrimers such as CYD-MD844, CYD-MD1384, and CYD-MD2524 have been used as carriers for the herbicide 2,4-D. When mixed with this herbicide, they demonstrated a remarkable ability to coat the active ingredient effectively. In crop trials, the sustained release performance was significantly better than that of conventional pesticides. The drug retention period was extended by 2 to 4 times, and the formulation showed excellent resistance to rain and weather. The release period could last up to 1 to 3 months, making it highly controllable and suitable for long-term use. This makes dendritic polymers a promising solution for improving the efficiency and sustainability of pesticide applications.