Effect of aqueous extracts of leaves of creosote bush (Larreas tridentata), tarbush (Flourensia cernua) and oak (Quercus pungens) on in vitro mycelial growth of phytopathogenic fungi

Valero-Galván, José; Díaz, César Alejandro González; Fernández, Raquel

doi:10.15174/au.2014.630

Cited by 4 publications

(1 citation statement)

References 11 publications

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“…It should be mentioned that, there are reports where aqueous extracts of L. tridentata were used and an 40 % of Botrytis sp. inhibition was observed [26] while 60-90 % of F. oxysoprum inhibition was determined [27]. Extracts of L. tridentata also has been used to treat food borne pathogens, in concentrations from 1000 to 5000 ppm, the best control for Staphylococcus aureus was observed using 5000 ppm [28].…”

Section: Resultsmentioning

confidence: 99%

A Green Technology for Control of Avocado Necrotic Fungi Using Bioactive Coatings

Aguilar

2018

Int. J. Green Technol.

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Bioactive films and coatings have been used as carriers for food additives such as antioxidant or antimicrobial agents. Larrea tridentata polyphenols and Aloe vera gel have demonstrated to act as efficient antimicrobial agents on food systems and can be incorporated into a coating matrix. In this research, bioactive coatings were prepared on a candelilla/pectin-based formulation. Bioactive coating antifungal activity against necrotic pathogenic fungi (Botritis cinerea and Fusarium oxysporum) was investigated by determining fungal radial growth, and the best in vitro fungicide concentration (MIC50) of Larrea tridentata polyphenols was determined. The highest fungal growth control was observed on B. cinerea (88%). Bioactive coatings presented MIC50 of 558 and 612 mg/L for F. oxysporum and B. cinerea, respectively. Candelilla wax-pectin-Aloe vera bioactive coatings incorporated with L. tridentata polyphenols inhibited the growth of necrotic pathogenic fungi and can be useful for preservation of avocado and increase of its shelf life. After all, avocado (Persea americana Mill.) is a susceptible fruit because of extreme environment conditions and invasion of microorganisms which may induce a negative reaction on quality. Technology of bioactive coatings is an alternative for extend fruit shelf-life and keeping organoleptic characteristics of Avocado cv. Hass.

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Section: Resultsmentioning

confidence: 99%

A Green Technology for Control of Avocado Necrotic Fungi Using Bioactive Coatings

Aguilar

2018

Int. J. Green Technol.

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Antifungal activity in vitro of ethanol and aqueous extracts of leaves and branches of Flourensia spp. against postharvest fungi

Rodríguez

Salas-Méndez

Rodrı́guez-Garcı́a

et al. 2017

Industrial Crops and Products

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Efecto promotor del crecimiento micelial de Fusarium sp. y Aspergillus sp. en condiciones in vitro de extractos acuosos y etanólico de dos especies de Cylindropuntia

2021

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En el presente estudio se evaluó el efecto de los extractos acuosos (decocción y maceración acuosa) y etanólico de dos especies del género Cylindropuntia sobre el crecimiento micelial de Fusarium sp. y Aspergillus sp. en condiciones in vitro. Los extractos se realizaron de cladodios de C. imbricata y C. leptocaulis en tres concentraciones (10 %, 20 % y 30 %) y se añadieron a cajas Petri para formar un medio de cultivo extracto-agar nutritivo. Los medios de cultivo se inocularon con las diferentes cepas fitopatógenas y se incubaron por 10 días y se midió el crecimiento del micelio de cada una de las cepas en cada uno de los tratamientos y cada concentración cada 24 horas. Los resultados mostraron diferencias significativas entre los extractos de las plantas. C. imbricata presentó una mayor estimulación del crecimiento micelial con respecto a la obtenida de C. leptocaulis. Aspergillus sp. fue la cepa que presentó el mayor crecimiento micelial y Fusarium sp. presentó un menor crecimiento. El extracto etanólico presentó un mayor porcentaje de crecimiento micelial, seguido de los extractos obtenidos de la decocción y los que presentaron un menor crecimiento micelial fueron los obtenidos por maceración acuosa. Las concentraciones del 30 % fueron las que presentaron un mayor crecimiento micelial, seguida de las concentraciones del 20 %, y finalmente las concentraciones del 10 %. Nosotros concluimos que estos extractos no presentaron un efecto inhibitorio en el crecimiento de micelio de estos hongos fitopatógenos; al contrario, los extractos de ambas especies estimularon el crecimiento de estos hongos. DOI: https://doi.org/10.54167/tecnociencia.v14i3.641

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Effect of aqueous extracts of leaves of creosote bush (Larreas tridentata), tarbush (Flourensia cernua) and oak (Quercus pungens) on in vitro mycelial growth of phytopathogenic fungi

Cited by 4 publications

References 11 publications

A Green Technology for Control of Avocado Necrotic Fungi Using Bioactive Coatings

A Green Technology for Control of Avocado Necrotic Fungi Using Bioactive Coatings

Antifungal activity in vitro of ethanol and aqueous extracts of leaves and branches of Flourensia spp. against postharvest fungi

Efecto promotor del crecimiento micelial de Fusarium sp. y Aspergillus sp. en condiciones in vitro de extractos acuosos y etanólico de dos especies de Cylindropuntia

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