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作为一种新型农药载体的基托桑移植的多乳酸:优化埃托克萨的释放,促进虫控制,并最大限度地减少对环境的影响

Xingkui An^1,2, Jie Lai^1,2, Yunzhe Li^1,2

¹Environment and Plant Protection Institute, Chinese Academy of Tropical Agricultural Sciences, Haikou, China.

Pest management science

|October 8, 2025

概括

一种新型的基托桑植入的多乳酸 (CS-co-PLA) 系统可以提供以托克萨 (Eto),对Tetranychus urticae具有增强的杀卵活性. 这种可生物降解的配方最大限度地减少了环境风险,并促进了作物生长.

科学领域:

材料科学材料科学材料科学
环境科学环境科学
农业科学农业科学

背景情况:

由于持久性和非标毒性,传统的虫杀虫剂对环境构成风险.
一种基托桑植入的多乳酸 (CS-co-PLA) 控制释放系统被开发为生物降解的载体,用于埃托克萨 (Eto).
该系统旨在提高杀虫剂的有效性并减少生态影响.

研究的目的:

为了合成和评估Eto@CS-co-PLA.的受控释放特性.
为了评估Eto@CS-co-PLA对Tetranychus urticae的生物活性.
为了确定 Eto@CS-co-PLA 系统的环境生物安全性.

主要方法:

通过环开聚合合成Eto@CS-co-PLA的合成.
使用扫描电子显微镜对粒子大小和药物负载的表征.
在体外释放研究和生物测试,以检测杀性活性和非标毒性.
叶子粘附测试和作物生长促进评估.

主要成果:

埃托@CS-co-PLA表现出均的颗粒大小 (3.45 ± 0.77 μm) 和9.05%的药物负载.
控制释放后的第一阶动力学,具有显著的卵灭菌活性 (LC50 = 0.170 mg/L),比自由 Eto 低1.5倍.
提高叶子粘附性减少了环境损失;对虫或虫没有急性毒性;证明促进作物生长.

结论:

埃托@CS-co-PLA系统提供了卓越的缓释能力和高效的T. urticae.
生物降解性和促进植物生长的特性确保环境影响最小.
这项研究提出了一种用于精密农业化学品应用的可持续方法,平衡有效性和生态安全.

关键词:

一个叫做Tetranychus urticae的小虫.酸盐复合物载体携带者农药的控制释放农药的控制释放埃托克萨 (ETOXAZOLE) 是一种

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