Antifungal activity and control of the early blight in tomato through tea tree essential oil

Hendges, Camila; Stangarlin, José Renato; Zamban, Vanessa Cristina; Mascaro, Márcia de Holanda Nozaki; Carmelo, Donizete Batista

doi:10.1016/j.cropro.2021.105728

Cited by 22 publications

(5 citation statements)

References 25 publications

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“…Resultados como os expostos mostram o potencial promissor do uso de OE para o manejo de doenças que afetam culturas agrícolas de grande importância econômica (PEIXOTO et al, 2023;HENDGES, 2021e CHIDI, BOUHOUDAN, KHADDOR, 2020.…”

Section: Discussionunclassified

Atividade Antifúngica Do Óleo Essencial De Melaleuca Alternifolia Sobre Colletotrichum Musae

Alice Brandão Silva,

Neto Venancio,

Aparecida Júlio

et al. 2023

Anais Do XXVII INIC, XXIII EPG, XVII INIC Jr, XIII INID, III ENEXUN

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A banana (Musa spp.) é alvo de diferentes fitopatógenos, como Colletotrichum musae. Para o controle desse patógeno são usados fungicidas sintéticos, que podem causar desequilíbrios ambientais e microrganismos resistentes. Por isso, o uso de óleos essenciais (OE) têm sido uma boa alternativa ao uso de produtos agrícolas convencionais. O objetivo deste trabalho foi avaliar a atividade antifúngica do óleo essencial de Melaleuca alternifolia sobre C. musae. A caracterização química do OE foi realizada por CG-DIC e CG-EM. Para o teste in vitro, preparou-se uma solução estoque contendo OE, SPAN 85 e água, além dos controles negativo e positivo. Foram aplicados 5 tratamentos a base de OE, cujas concentrações variaram de 1,5 a 5,5 μL/mL. Os principais compostos identificados foram terpinen-4-ol, γ-Terpinene e α-Terpineno. A partir da concentração de 4,5 µL/mL, o fungo foi 100% inibido. A CI50 foi estimada em 2,63 µL/mL. Resultados como esse mostram o potencial promissor do uso do óleo essencial de M. alternifólia para o controle de C. musae,

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Section: Discussionunclassified

Atividade Antifúngica Do Óleo Essencial De Melaleuca Alternifolia Sobre Colletotrichum Musae

Alice Brandão Silva,

Neto Venancio,

Aparecida Júlio

et al. 2023

Anais Do XXVII INIC, XXIII EPG, XVII INIC Jr, XIII INID, III ENEXUN

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“…The pre- and postharvest use of many natural compounds (including chitosan, phosphoric acid plus micronutrients, and essential oils) has been investigated in an effort to decrease the use of chemical fungicides and control the development of postharvest diseases [ 9 , 16 , 33 , 34 , 35 ]. In the present study, preharvest application of chitosan was found to significantly reduce the development of gray mold on strawberry fruit cv.…”

Section: Discussionmentioning

confidence: 99%

Preharvest Application of Commercial Products Based on Chitosan, Phosphoric Acid Plus Micronutrients, and Orange Essential Oil on Postharvest Quality and Gray Mold Infections of Strawberry

Rajestary

Xylia

Chrysargyris

et al. 2022

IJMS

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Strawberry is a perishable fruit with a limited shelf life after harvest due to deterioration of quality and the development of gray mold, Rhizopus rot and other minor diseases. In this study, the effectiveness of commercial compounds based on chitosan, phosphoric acid plus micronutrients, and sweet orange essential oil (EO) in reducing decay and optimizing the quality of strawberries was analyzed. The plant canopy of a greenhouse crop was sprayed once and strawberry fruit were harvested three days later. Gray mold infections were evaluated after chilled storage for seven days at 4 ± 0.5 °C followed by five days shelf life. The qualitative parameters were recorded at harvest (initial day) and after three days of storage at room temperature (RT, 20 °C) or after cold storage and shelf life (CS, 4 °C). The application of sweet orange EO increased the antioxidant and flavonoid content at harvest, while a decrease was reported following three days of storage at RT. At the same time, increased ethylene production and weight loss were observed during CS three days after harvesting. Chitosan treatment maintained the harvest fruit quality and was effective in the control of postharvest decay. Our results suggest that the investigated natural compounds could improve strawberry quality after harvest. Since chitosan performed best in terms of maintaining quality and reducing postharvest decay, it could be considered as a good substitute for chemical-synthetic fungicides for the preservation of strawberry postharvest gray mold.

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“…Mycelial growth was evaluated by measuring the colony diameter through two transverse lines drawn outward on the plates (HENDGES et al, 2021). The 0.5 cm disc was deposited at the center of the plate, and over the PBA medium, at the intersection of the lines.…”

Section: In Vitro Assaymentioning

confidence: 99%

SUBSTRATE WITH LIGNOCELLULOSIC RESIDUES FOR Pycnoporus sanguineus CULTIVATION

et al. 2022

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Basidiomycete fungi that decompose wood produce substances with promising biological activity for the alternative control of plant diseases. The production of these substances can change according to the climatic conditions and the substrate used for fungal cultivation. The objective of this study was to develop a substrate with sawdust from Eucalyptus sp. and to verify its influence on biomass and cinnabarin production by Pycnoporus sanguineus. Sawdust was used in two particle sizes: less than 500 microns (G1) and between 500–841 microns (G2). Four isolates of P. sanguineus were plated on Petri dishes containing potato broth and agar media added with 0%, 1%, 5%, 10%, and 15% sawdust for each particle size. The largest final diameter of the colony and speed of mycelial growth were observed in the substrate with G1 particle size, with the Ps14 isolate showing the highest averages. For these variables, the sawdust concentration did not influence G1 granulometry and provided the highest values in G2 granulometry. Fresh mycelium mass and cinnabarin production showed the highest values in G2, with the isolated Ps13 and Ps08 showing the highest averages, whereas in G1, Ps14 had the best performance for the analyzed variables. These results indicate that sawdust from Eucalyptus sp., at concentrations of 10% and 15%, is an alternative for the in vitro cultivation of P. sanguineus, and that particle size influences the growth speed, fresh mass production, and cinnabarin content.

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Antifungal activity and control of the early blight in tomato through tea tree essential oil

Cited by 22 publications

References 25 publications

Atividade Antifúngica Do Óleo Essencial De Melaleuca Alternifolia Sobre Colletotrichum Musae

Atividade Antifúngica Do Óleo Essencial De Melaleuca Alternifolia Sobre Colletotrichum Musae

Preharvest Application of Commercial Products Based on Chitosan, Phosphoric Acid Plus Micronutrients, and Orange Essential Oil on Postharvest Quality and Gray Mold Infections of Strawberry

SUBSTRATE WITH LIGNOCELLULOSIC RESIDUES FOR Pycnoporus sanguineus CULTIVATION

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