数字农科院2.0

Synergistic effect of ZIF‐8 nanomaterial on 2,4‐D efficacy by regulating auxin synthesis pathway in barnyard grass [Echinochloa crus‐galli (L.) P. Beauv.]

文献类型： 外文期刊

作者： 蔡润泽; 贾玉娇; 黄啟良; 邓希乐; 曹立冬; 赵鹏跃; 潘灿平

关键词： 2;4‐D; controlled release; nanomaterial; synergism; ZIF‐8

期刊名称： New Plant Protection

ISSN：

年卷期： 2025 年

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收录情况： 无来源刊（2025版）

摘要： Controlled release formulations of pesticides based on ZIF-8 have garnered extensive attention for their potential to enhance pesticide utilization rates and mitigate the negative impacts associated with pesticide use. However, the effects of ZIF-8 material on plant metabolism remain unclear. In this research, we developed a 2,4-D herbicide delivery system based on ZIF-8 (2,4-D@ZIF-8, 162.4 ± 32.6 nm). It was found that the bioactivity of 2,4-D@ZIF-8 against barnyard grass was significantly higher than that of technical 2,4-D at certain concentrations (80, 160, and 320 mg/L). The effects of ZIF-8 on the metabolism of barnyard grass and the synergistic mechanism were investigated through metabolomic analyses. The results demonstrated that ZIF-8 influenced the metabolic pathways of barnyard grass in a manner similar to 2,4-D, thereby further enhancing the inhibitory effects caused by the overstimulation of barnyard grass growth induced by 2,4-D. ZIF-8 led to a significant increase in auxin content in barnyard grass, creating a synergistic interaction with the auxin herbicide 2,4-D. Additionally, it was shown that 2,4-D@ZIF-8 was safer than 2,4-D when applied on wheat. Therefore, 2,4-D@ZIF-8 holds great potential and promising application prospects for loading auxin analog herbicides.

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