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碳氧甲基基托桑水凝颗粒用于预甲输送:确保在杂草控制中持续释放和环境安全

Tianzhen Jiang^1,2, Zhen Li^1,2, Yifei Tan^1,2

¹College of Plant Protection, Yangzhou University, Yangzhou, China.

Pest management science

|January 19, 2026

概括

一种新型的碳氧甲基基托 (CMCS) /Cu2+水凝系统为大米种植提供了除草剂前提 (PR) 的可控释放. 与传统方法相比,这种环保配方提高了疗效,降低了环境风险,并提高了生物降解性.

科学领域:

材料科学:开发新的水凝系统.
农业科学:大米种植中的杂草管理.
环境科学:对生态毒性和生物降解性的评估.

背景情况:

甲基 (PR) 是大米的重要除草剂,但其快速降解和环境风险需要频繁的应用.
目前的配方带来了生态挑战,推动了对可持续替代品的需求.
生物废物衍生材料为环保农业化学物质输送系统提供了潜力.

研究的目的:

开发一种环保的碳氧甲基基托 (CMCS) /Cu2+水凝,用于控制的前提 (PR) 释放.
为了提高除草剂的应用效率和减轻生态影响.
利用生物废物衍生材料,实现可持续的农业化学品供应.

主要方法:

合成与Cu2+交联的CMCS水凝颗粒.
描述水凝的特性,包括负载能力,膨胀行为和释放动力学.
评估除草剂对 Echinochloa crus-galli 和大米植物毒性的疗效.
使用水生和陆生生物体对生物降解和生态毒性的评估.

主要成果:

CMCS/Cu2+水凝实现了13.70%的PR负载能力.
水凝呈现了pH反应性胀和持续的PR释放 (51.2%超过80小时),与快速生物降解 (7天内83.9%的质量损失).
与商业标准相比,有效的杂草控制可以在降低环境风险的情况下实现 (1.7倍更安全的Danio rerio,>1600mg/kg的Eisenia fetida).

结论:

CMCS/Cu2+水凝颗粒是一种可行的控制释放系统,用于大米中的PR.
该配方提供持续释放,减少非目标毒性和增强生物降解性.
这种方法为开发更环保的农药输送系统提供了基础,可能减少应用频率和环境负荷.

关键词:

甲基甲基甲基甲基甲基甲基甲基甲基甲基碳氧甲基基托桑是一种碳氧甲基基托桑.环境安全环境安全这是一种水凝.持续释放持续释放持续释放杂草管理杂草管理

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