Nanodelivered Azoxystrobin 对大豆根瘤菌(Rhizoctonia solani)的抗真菌功效

IF 2.3 Q1 AGRICULTURE, MULTIDISCIPLINARY ACS agricultural science & technology Pub Date : 2024-02-12 DOI:10.1021/acsagscitech.3c00469
Eban A. Hanna, Carlos E. Astete, Trey Price, Carlos Tamez, Omar E. Mendez, Alvaro Garcia, Fannyuy V. Kewir, Jason C. White and Cristina M. Sabliov*, 
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引用次数: 0

摘要

设计了负载唑菌酯(AZO)(分别为 5.2 ± 0.8 和 5.5 ± 0.7 wt %)的玉米素纳米颗粒(ZNP)(189.4 ± 2.0 nm,+25.7 ± 0.9 mV)和木质素纳米颗粒(LNP)(173.6 ± 0.9 nm,- 56.5 ± 2.8 mV)作为种子处理的抗真菌输送系统。这两种颗粒在 25 ℃ 下都遵循假一阶 AZO 释放动力学,其中 ZNP 释放 AZO 的速度更快。在接种样品中,AZO 包裹的 ZNP 处理产量最高(41.15 蒲式耳),其次是空 LNP(40.35 蒲式耳);这些结果与使用商用 AZO 制剂 Dynasty 的产量相当。接种植株的每行英尺株数明显高于对照,其中最高的是 Dynasty、AZO-entrapped ZNP 和 AZO-entrapped LNP 处理(分别为 3.90、3.74 和 2.53)。与未处理的植株相比,除空 ZNP 外,所有处理都能显著提高产量和每行英尺的株数。本文开发的用于输送 AZO 的 ZNPs 和 LNPs 可作为输送其他农用化学品的可替代和可持续的解决方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Antifungal Efficacy of Nanodelivered Azoxystrobin against Rhizoctonia solani in Soybean (Glycine max)

Zein nanoparticles (ZNP) (189.4 ± 2.0 nm, +25.7 ± 0.9 mV) and lignin nanoparticles (LNP) (173.6 ± 0.9 nm, – 56.5 ± 2.8 mV) with loaded azoxystrobin (AZO) (5.2 ± 0.8 and 5.5 ± 0.7 wt %, respectively) were designed as antifungal delivery systems for seed treatments. Both particles followed pseudo-first-order kinetics for AZO release at 25 °C, with AZO releasing faster from ZNP. AZO-entrapped ZNP treatments produced the greatest yield (41.15 bushels), followed by empty LNP (40.35 bushels) for inoculated samples; these findings were comparable to yields achieved with the commercial AZO formulation, Dynasty. The stand per row feet for inoculated plants were significantly higher than the control, with the highest being Dynasty, AZO-entrapped ZNP, and AZO-entrapped LNP treatments (3.90, 3.74, and 2.53, respectively). All treatments, excluding empty ZNP, resulted in a statistically significant increase in yield and stand per row feet compared to the nontreated plants. ZNPs and LNPs developed herein for AZO delivery can be used as alternative and sustainable solutions for the delivery of other agrochemicals.

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