生物合成银纳米颗粒减轻蚕豆炭腐病和根结线虫病复合体

IF 2.8 3区农林科学 Q2 PLANT SCIENCES

Physiological and Molecular Plant Pathology Pub Date : 2025-02-13 DOI:10.1016/j.pmpp.2025.102610

Alyaa Nasr , Ahmed Fathy Yousef , Mohamed G.A. Hegazy , Mohammed A. Abdel-Mageed , Ezzat H. Elshazly , Mahmoud Gad , Sobhi F. Lamlom , Islam I. Teiba , Gamal A. Gouda , Waleed M. Ali , Ahmed A.S. Abd-Elraheem , Asmaa El-Nagar , Guo-Ping Zhu , Mohamed A.A. Seleim

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引用次数: 0

摘要

蚕豆炭腐病与根结线虫（Meloidogyne spp.）之间的协同作用严重阻碍了蚕豆产量。本研究评估了使用柠檬叶提取物的生物合成银纳米颗粒（AgNPs）作为双作用生物防治剂对抗该疾病复合物的潜力。综合表征证实了AgNPs具有纳米级尺寸（38.31 nm）、晶体性质、官能团（O- h和C=O）和高电荷稳定性。体外实验结果显示，在100ppm浓度下，菜绿支原体的生长抑制率高达71.1%，爪哇支原体的幼虫死亡率为100%。温室试验表明，AgNPs具有降低疾病严重程度（66.67%）和线虫种群（99.27%）的功效，同时还能促进植物生长、酚类物质、类黄酮含量和抗氧化酶活性。这些发现突出表明，AgNPs是化学处理的一种可持续的、生态友好的替代方案，可以解决复杂的植物病害并促进抗灾农业实践。

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Biosynthesized silver nanoparticles mitigate charcoal rot and root-knot nematode disease complex in faba bean

The synergistic interaction between charcoal rot disease caused by Macrophomina phaseolina and root-knot nematodes (Meloidogyne spp.) severely hampers faba bean productivity. This study evaluates the potential of biosynthesized silver nanoparticles (AgNPs), using lemon leaf extract, as dual-action biocontrol agents against this disease complex. Comprehensive characterization confirmed the AgNPs' nanoscale size (38.31 nm), crystalline nature, functional groups (O-H and C=O), and high charge stability. In vitro assays revealed up to 71.1 % inhibition of M. phaseolina growth and 100 % juvenile mortality of M. javanica at 100 ppm. Greenhouse trials demonstrated AgNPs’ efficacy in reducing disease severity (66.67 %) and nematode populations (99.27 %), alongside enhancing plant growth, phenolic, flavonoid contents, and antioxidant enzyme activities. These findings highlight AgNPs as a sustainable, eco-friendly alternative to chemical treatments, addressing complex plant diseases and fostering resilient agricultural practices.

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来源期刊

Physiological and Molecular Plant Pathology 生物-植物科学

CiteScore

4.30

自引率

7.40%

发文量

130

审稿时长

38 days

期刊介绍： Physiological and Molecular Plant Pathology provides an International forum for original research papers, reviews, and commentaries on all aspects of the molecular biology, biochemistry, physiology, histology and cytology, genetics and evolution of plant-microbe interactions. Papers on all kinds of infective pathogen, including viruses, prokaryotes, fungi, and nematodes, as well as mutualistic organisms such as Rhizobium and mycorrhyzal fungi, are acceptable as long as they have a bearing on the interaction between pathogen and plant.