Mycosynthesized Fe2 O3 nanoparticles diminish brown rot of apple whilst maintaining composition and pertinent organoleptic properties.
J Appl Microbiol
; 132(5): 3735-3745, 2022 May.
Article
em En
| MEDLINE
| ID: mdl-35152519
ABSTRACT
AIMS:
Iron oxide nanoparticles (Fe2 O3 NPs) were mycosynthesized using Trichoderma harzianum and applied to control brown rot of apple. The influence of Fe2 O3 NPs on the quality of fruit was also studied. METHODS ANDRESULTS:
Diseased apple fruits with brown rot symptoms were collected, and the disease-causing pathogen was isolated and identified as Fusarium oxysporum. To control this disease, mycosynthesis of Fe2 O3 NPs was executed using T. harzianum. FTIR spectroscopy revealed the occurrence of stabilizing and reducing agents on NPs. X-ray diffraction (XRD) analysis determined their average size (17.78 nm) and crystalline nature. Energy-dispersive X-ray (EDX) showed strong signals of iron, and scanning electron microscopy (SEM) displayed a high degree of polydispersity of synthesized NPs. Foliar application of NPs significantly reduced brown rot and helped fruits to maintain biochemical and organoleptic properties. Firmness and higher percentage of soluble solids, sugars and ascorbic acid depicted its good quality.CONCLUSION:
Environment-friendly mycosynthesized Fe2 O3 NPs can be effectively used to control brown rot of apple. SIGNIFICANCE AND IMPACT OF THE STUDY Trichoderma harzianum is a famous biocontrol agent, and the synthesis of NPs in its extract is an exciting avenue to control fungal diseases. Due to its nontoxic nature to human gut, it can be applied on all edible fruits.Palavras-chave
Texto completo:
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Base de dados:
MEDLINE
Assunto principal:
Malus
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Nanopartículas Metálicas
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Hypocreales
Limite:
Humans
Idioma:
En
Ano de publicação:
2022
Tipo de documento:
Article