Antifungal activity against Alternaria solani and control of early blight in tomato by essential oil of citronella

The objective of work was to evaluate the antifungal activity, the early blight control, and the enzymatic defense in tomato treated with citronella essential oil. The aim of this work was to evaluate the antifungal activity, the early blight control, and the activation of defense enzymes peroxidase...

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Bibliographic Details
Published in:Revista Ceres 2023-03, Vol.70 (2), p.101-111
Main Authors: Hendges, Camila, Stangarlin, José Renato, Zamban, Vanessa Cristina, Kuhn, Odair José, Tartaro, Eloisa Lorenzetti, Carmelo, Donizete Batista
Format: Article
Language:English
Subjects:
AGRICULTURE, MULTIDISCIPLINARY
Ammonia
Antifungal activity
Blight
Cymbopogon nardus
Deionization
Disease
Early blight
enzymatic activity
Enzymes
Essential oils
Evaluation
Fungicides
Gauze
Herbal medicine
medicinal plant
Oils & fats
Pathogens
Peroxidase
Pesticides
Phenylalanine
Phenylalanine ammonia-lyase
Polyphenol oxidase
Regression analysis
resistance induction
Spores
Sporulation
Statistical analysis
Tomatoes
Variance analysis
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Summary:The objective of work was to evaluate the antifungal activity, the early blight control, and the enzymatic defense in tomato treated with citronella essential oil. The aim of this work was to evaluate the antifungal activity, the early blight control, and the activation of defense enzymes peroxidase, polyphenoloxidase, and phenylalanine ammonia-lyase in tomato leaves treated with citronella essential oil. At the end of the mycelial growth evaluation, the sporulation of the fungus was assessed. [...]10 mL of deionized water was added to each Petri dish, and after scraping the colony with a glass slide, the suspension was filtered through gauze, and the number of spores per mL was determined in a Neubauer chamber. Statistical analysis The data obtained were subjected to analysis of variance and, when significant, submitted to regression analysis with a 5% probability of error for essential oil concentrations.
ISSN:0034-737X
2177-3491
2177-3491
DOI:10.1590/0034-737x202370020012