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Evaluation of antifungal effect of silver nanoparticles against the phytopathogenic fungi Rhizoctonia solani [electronic resource]

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Osman, Ahmed

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Language: English Summary language: Arabic Description: 29 - 36 pOther title:

تقدیر الفاعلیة الإبادیة لجزیئات الفضة النانویة ضد فطر ریزوكتونیا سولانى الممرض للنبات [Added title page title]

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Journal of applied plant protection Suez Canal university, 2022 v.11 (1) [electronic resource]

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In: Journal of Applied Plant Protection Suez Canal University 2022.v.11(1)Summary: Silver nanoparticles (AgNPs) are known to have antimicrobial effects, why it is being used in agriculture, water treatment and health sector. In this context, this study aimed to evaluate the in vitro antifungal activity of AgNPs against the phytopathogenic fungi Rhizoctonia solani isolated from infected tomato plants. The antifungal effect of AgNPs was compared to two conventional pesticides namely, thyophenate-methyl (Topsin-M) and ethylene-bis-dithiocarbamate (Mancozeb).Furthermore, the synergistic effect of AgNPs was evaluated when mixed with Topsin-M and Mancozeb. Comparable results for inhibition of mycelial growth were reported for AgNPs and Topsin-M with percentages of 92.2% and 94.1%, respectively. AgNPs were more efficient in inhibiting mycelial growth of R. solani compared to Mancozeb. Synergistic effects were observed when AgNPs were combined with the conventional fungicides. This study highlighted the promising efficiency of AgNPs in controlling phytopathogenic fungus alone or in combination with other conventional pesticides. Keywords:

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Previous	ART JAPPSU V11 No1 1 Pathological and physiological studies on anthracnose disease of guava fruits \| [electronic resource]	ART JAPPSU V11 No1 2 Management of citrus fruit rot by using hot water treatments in Ismailia governorate \| [electronic resource]	ART JAPPSU V11 No1 3 Comparing the antifungal potency of silver nanoparticles and traditional fungicides against Fusarium oxysporum \| [electronic resource]	ART JAPPSU V11 No1 4 Evaluation of antifungal effect of silver nanoparticles against the phytopathogenic fungi Rhizoctonia solani \| [electronic resource]	ART JAPPSU V8 NO1 [electronic resource]	ART JAPPSU V8 NO2 [electronic resource]	ART JAPPSU V8 NO3 [electronic resource]	Next

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Silver nanoparticles (AgNPs) are known to have antimicrobial effects, why it is being used in agriculture, water treatment and health sector. In this context, this study aimed to evaluate the in vitro antifungal activity of AgNPs against the phytopathogenic fungi Rhizoctonia solani isolated from infected tomato plants. The antifungal effect of AgNPs was compared to two conventional pesticides namely, thyophenate-methyl (Topsin-M) and ethylene-bis-dithiocarbamate (Mancozeb).Furthermore, the synergistic effect of AgNPs was evaluated when mixed with Topsin-M and Mancozeb.
Comparable results for inhibition of mycelial growth were reported for AgNPs and Topsin-M with percentages of 92.2% and 94.1%, respectively. AgNPs were more efficient in inhibiting mycelial growth of R. solani compared to Mancozeb.
Synergistic effects were observed when AgNPs were combined with the conventional fungicides. This study highlighted the promising efficiency of AgNPs in controlling phytopathogenic fungus alone or in combination with other conventional pesticides.
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