In Vitro Control of Colletotrichum Gloeosporioides by Using Chitosan Loaded Nanoemulsions

Zahid, Noosheen; Alderson, P. G.; Ali, Asgar; Maqbool, Mehdi; Manickam, S.

doi:10.17660/actahortic.2013.1012.104

Cited by 17 publications

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“…In general, the results of our research coincide with those previously published by Zahid et al (2013) and Correa-Pacheco et al (2017) in which the effective control of C. gloeosporioides isolated from dragon fruit (Hylocereus undatus) and avocado (Persea americana) and treated with chitosan nanoemulsions resulted from the low molecular weight chitosan 1%, and nanostructured formulations chitosan-thyme essential oil 1-5 %, respectively, in terms of inhibition of mycelia and conidial germination of the fungus compared to the untreated control. In other research carried out by Khalili et al (2015) it was demonstrated a better efficacy of thyme EO when encapsulated in chitosan and benzoic acid -made nanogels, in comparison with free thyme EO, against A. flavus.…”

Section: Fully Bilingualsupporting

confidence: 91%

“…Con respecto a las cubiertas nanoestructuradas, en el más alto porcentaje de nanopartículas (55%), se obtuvo una inhibición total en los aislados de A. alternata, en ambos aislados de C. gloeosporioides, así como en R. stolonifer y C. fragariae durante las 10 h de incubación (Figura 2). En general, los resultados de nuestra investigación coinciden con lo que anteriormente publicó Zahid et al (2013) y Correa-Pacheco et al (2017, donde el control efectivo de C. gloeosporioides aislado de la pitahaya (Hylocereus undatus) y aguacate (Persea americana), tratado con nanoemulsiones de quitosano, preparadas con quitosano de bajo peso molecular al 1%, y formulaciones nanoestructuradas de quitosano-aceite esencial de tomillo al 1-5%, respectivamente, en términos de inhibición micelial y germinación conidial del hongo, en comparación con el control sin tratamiento. En otra investigación llevada a cabo por Khalili et al (2015), se demostró una mayor eficacia del AE de tomillo encapsulado en quitosano y ácido benzoico convertido en nanogeles, en comparación con el AE de tomillo contra A. flavus.…”

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Evaluación de nanoformulaciones en el desarrollo in vitro de hongos fitopatógenos

Correa‐Pacheco

Bautista‐Baños

Hernández‐López

et al. 2018

RMF

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<p>En el control de microorganismos fitopatógenos, existen nuevas propuestas de nanomateriales que incluyen aquellas con quitosano y aceites esenciales, los cuales puedes aplicarse solo o en nanoformulaciones. Seis aislamientos fúngicos se sometieron a diferentes tratamientos para evaluar su efecto en el crecimiento micelial y germinación de las esporas. Se observó una inhibición total (100%) en la mayoría de los hongos cuando se incubaron en medio nutritivo adicionado con nanopartículas de quitosano con aceite esencial de tomillo al 5%; solamente o en cubiertas nanoestructuradas. Dependiendo del aislamiento, hubo una inhibición notable (50% y 100%) en la germinación con el aceite esencial de tomillo 1%. Cuando los hongos crecieron en los tratamientos individuales, la germinación se retrasó 6 h pero se inhibió completamente cuando se incubaron en las nanoformulaciones. Comparado con el aceite esencial de limón, fue el aceite esencial de tomillo el que proporcionó un control remarcable en los hongos evaluados.</p>

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Section: Fully Bilingualsupporting

confidence: 91%

Section: Fully Bilingualunclassified

Evaluación de nanoformulaciones en el desarrollo in vitro de hongos fitopatógenos

Correa‐Pacheco

Bautista‐Baños

Hernández‐López

et al. 2018

RMF

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“…The obtained results showed that chitosan (600 nm diameter) performed the best in inhibiting spore germination (91.5%), decreasing dry mycelia mass (0.47 g) and sporulation (7.5%) when compared locally chitosan with inhibition in spore germination by 67.9%, mycelia dry mass, 0.76 g and sporulation, 25.4%. The findings obtained suggested that chitosan loaded nanoemulsions can act as a promising nanomaterial for controlling anthracnose disease on dragon fruits [109]. A summary of recent application of different nanomaterials against post-harvest disease of apricot, guava, avocado, papaya and dragon fruits is given in Table 7.…”

Section: Apricot Guava Avocado Papaya and Dragon Fruitsmentioning

confidence: 99%

Nanomaterials as Alternative Control Means Against Postharvest Diseases in Fruit Crops

et al. 2019

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Post-harvest diseases of fruit and vegetables have to be controlled because of the high added value of commodities and the great economic loss related to spoilage. Synthetic fungicides are the first choice worldwide to control post-harvest diseases of fruit and vegetables. However, several problems and constraints related to their use have forced scientists to develop alternatives control means to prevent post-harvest diseases. Physical and biological means, resistance inducers, and GRAS (generally recognized as safe) compounds are the most important alternatives used during the last 20 years. Recently, nanomaterial treatments have demonstrated promising results and they are being investigated to reduce the utilization of synthetic fungicides to control post-harvest rot in fruit and vegetables. The collective information in this review article covers a wide range of nanomaterials used to control post-harvest decays related to each selected fruit crop including grape, citrus, banana, apple, mango, peach, and nectarine. Other examples also used are apricot, guava, avocado, papaya, dragon, pear, longan, loquat, jujubes, and pomegranate fruits.

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“…Chitosan was used as nanoemulsions of different droplet sizes (200, 400, 600, 800 and 1000 nm) at 1.0% concentration and evaluated in vitro for controlling conidia growth, dry weight of mycelia and sporulation of the pathogen. They observed that chitosan at 1.0% concentration at 600 nm droplet size given best results in terms of inhibiting conidial germination, reducing dry weight of mycelia as well as sporulation [57]. [58].…”

Section: Ecofriendly Fungicidesmentioning

confidence: 99%

Etiology, Symptomatology and Management of Black Spot of Aloe vera (Aloe barbadensis Miller) through Botanicals and Biocontrol Agents – A Brief Review

Kumari

Jha

2020

CJAST

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Aloe vera is an important medicinal plant of Asphodelaceae (Liliaceae) family. It is widely used owing to its wound healing, anti-inflammatory, immunity, antidiabetic, antioxidant, laxative, antibacterial, antifungal and antiviral properties. Similar to other crop plants, Aloe vera is infected by several plant pathogens that deteriorate its yield and quality. Among various fungal diseases, black spot disease caused by Colletotrichum gloeosporioides (Penz.) Penz. & Sacc. is the most serious disease which not only reduces the crop yield and market value but also the antioxidant properties and other medicinal efficacy of the plant. C. gloeosporioides is commonly controlled by chemical fungicides but due to the limitations of applying chemical control methods on medicinal plants, there is a need to look for some safe alternatives. The objective of this paper is to review the previous work on etiology, symptomatology and management of C. gloeosporioides (Penz.) Penz. & Sacc. through botanicals (natural plant extracts), biocontrol agents and some safe and ecofriendly chemicals like Azoxystrobin.

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In Vitro Control of Colletotrichum Gloeosporioides by Using Chitosan Loaded Nanoemulsions

Cited by 17 publications

References 0 publications

Evaluación de nanoformulaciones en el desarrollo in vitro de hongos fitopatógenos

Evaluación de nanoformulaciones en el desarrollo in vitro de hongos fitopatógenos

Nanomaterials as Alternative Control Means Against Postharvest Diseases in Fruit Crops

Etiology, Symptomatology and Management of Black Spot of Aloe vera (Aloe barbadensis Miller) through Botanicals and Biocontrol Agents – A Brief Review

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