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首页> 外文期刊>Journal of Polymers and the Environment >Degradable Polyhydroxyalkanoates as Herbicide Carriers
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Degradable Polyhydroxyalkanoates as Herbicide Carriers

机译：可降解的聚羟基链烷酸酯作为除草剂载体

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The biodegradable polymer poly(3-hydroxybutyrate-co-3-hydroxyvalerate) has been used to design experimental sustained-release formulations of the herbicide Zellek Super in the form of films and microgranules. The kinetics of polymer degradation and the dynamics of herbicide release show that the rate and extent of herbicide release from the polymer matrix into the soil depends on the geometry of the carrier and the proportion of the pesticide loaded into it (polymer/pesticide mass ratio). Experiments with the creeping bentgrass (Agrostis stolonifera L.) show that the formulations of the herbicide Zellek Super constructed as microgranules and films can be successfully used to suppress the growth of grasses. This study is the first to demonstrate that biodegradable polyhydroxyalkanoates can be used effectively to construct environmentally friendly sustained-release PHA-herbicide systems that can be placed into the soil together with seeds.
机译：可生物降解的聚合物聚（3-羟基丁酸酯-co-3-羟基戊酸酯）已被用于设计膜和微粒形式的除草剂Zellek Super的实验性缓释制剂。聚合物降解动力学和除草剂释放动力学表明，除草剂从聚合物基质中释放到土壤中的速度和程度取决于载体的几何形状和农药中所载农药的比例（聚合物/农药质量比） 。用蠕动草（Agrostis stolonifera L.）进行的实验表明，构造为微粒和薄膜的除草剂Zellek Super制剂可以成功地用于抑制草的生长。这项研究是第一个证明可生物降解的聚羟基链烷酸酯可以有效地构建可与种子一起放入土壤的环境友好型缓释PHA除草剂系统的方法。

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