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2024 | OriginalPaper | Chapter

Potential of Biosynthesized Silver Nanoparticles (AgNPs) to Promote Growth and Control Plant Pathogenic Bacteria of Lotus (Nelumbo nucifera)

Authors : Nguyen Quang Hoang Vu, Nguyen Dai Chau, Pham Thi Thanh Mai, Hoang Tan Quang, Hoang Thi Kim Hong

Published in: 9th International Conference on the Development of Biomedical Engineering in Vietnam

Publisher: Springer Nature Switzerland

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Abstract

Nanotechnology has recently emerged as a rapidly growing area in science, medicine, disinfection, and agriculture. Bacteria pathogens affect lotus agriculture both in crop yield and economic loss. This study aimed to identify pathogen that caused brown leaf spot disease on the lotus and evaluate the antimicrobial efficacy in vitro of silver nanoparticles. Molecular based identification using 16S ribosomal DNA sequences revealed that the isolates belonged to Pantoea ananatis and Burkholderia sp. In this study, the antibacterial activity of biosynthesized silver nanoparticles (AgNPs) was investigated against lotus plant pathogens at different concentrations (0, 0.1, 1, 10, 20, 30 mg/L). The results showed that the zone of inhibitory diameters of 0.1–10 mg/L of AgNPs is insignificant. However, at AgNPs 30 mg/L, the inhibition zone was observed 11mm and 9.33 mm for Pantoea ananatis strain and Burkholderia sp. Strain, respectively. In addition, the optimum growth promotion was observed in plants treated with 30 mg/L of AgNPs. Foliar application of silver nanoparticles AgNPs significantly increased plant height, fresh weight, dry weight of leaf, and chlorophyll content compared to control. Overall, current findings suggest that silver nanoparticles (AgNPs) have the potential to enhance plant growth and antibacterial activity against two lotus pathogens.

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Metadata
Title
Potential of Biosynthesized Silver Nanoparticles (AgNPs) to Promote Growth and Control Plant Pathogenic Bacteria of Lotus (Nelumbo nucifera)
Authors
Nguyen Quang Hoang Vu
Nguyen Dai Chau
Pham Thi Thanh Mai
Hoang Tan Quang
Hoang Thi Kim Hong
Copyright Year
2024
DOI
https://doi.org/10.1007/978-3-031-44630-6_22

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