Antifungal Activities of Ageratum conyzoides L. Extract against Rice Pathogens Pyricularia oryzae Cavara and Rhizoctonia solani Kühn

Nguyen, Cuong C.; Nguyen, Thanh Q. C.; Kanaori, Kenji; Binh, Tran Duy; Dao, Xuyen H. T.; Vàng, Lê Văn; Kamei, Kaeko

doi:10.3390/agriculture11111169

Cited by 6 publications

(4 citation statements)

References 49 publications

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“…These results were consistent with Arie et al (2015) where 10% fresh Bandotan extract reduced severity of anthracnose disease in banana plant caused by the fungus Colletotrichum musae. Spraying dry Bandotan ethanol extract (2 mg/ ml in 0.2% DMSO) on rice plant effectively reduced the severity of blight caused by infection with Pyricularia oryzae Cavara and Rhizoctonia solani Kühn fungi (Nguyen et al, 2021).…”

Section: Resultsmentioning

confidence: 99%

“…In vitro tests of Bandotan dry extract have been conducted against Pyricularia oryzae Cavara and Rhizoctonia solani Kühn which are pathogenic fungi of rice plant (Nguyen et al, 2021). Javed and Bashir ( 2012) proved that the dried flower, leaf, stem, and root extract of Bandotan at a concentration of 2% reduced the dry weight of Fusarium solani culture products.…”

Section: Resultsmentioning

confidence: 99%

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Bandotan (Ageratum conyzoides L.) as Bio-Fungicide for Controlling Fusarium oxysporum in Chili (Capsicum annuum L.)

Agustrina,

Fadhilla,

Tamara

et al. 2024

Jurnal Biodjati

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Fusarium oxysporum L. is a fungus responsible for causing plant wilt disease in various horticultural crops. Meanwhile, Bandotan (Ageratum conyzoides L.) is commonly known as a weed that contains secondary metabolites with antifungal activity. Therefore, this study aimed to determine the effect of Bandotan stem and leaf extract on the growth of Fusarium oxysporum in chili (Capsicum annuum L.) infected during the germination phase. Evaluation of stem and leaf extract was carried out separately using a one-factor Complete Randomized Design (CRD). A total of four experimental units were used consisting of C+ (sprouts not infected with Fusarium sp. and not given stem or leaf of Bandotan extract), C- (sprouts infected with Fusarium sp. but not given stem or leaf of Bandotan extract), T1 (sprouts soaked with stem or leaf of Bandotan extract and infected with Fusarium sp.), and T2 (sprouts infected with Fusarium sp., and given stem or leaf of Bandotan extract). Each experimental unit was repeated five times, and parameters observed included disease severity, as well as dry and wet weight. The results showed that based on ANOVA test at the 5% significance level, the administration of 60% dry Bandotan stem extract to chili sprouts before Fusarium sp. infection significantly reduced disease severity. However, when the treatment was carried out after sprouts were infected, disease severity was not reduced. The administration of Bandotan leaf extract to sprouts both before and after being infected with Fusarium sp. reduced disease severity but a decrease in dry weight was also observed

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Bandotan (Ageratum conyzoides L.) as Bio-Fungicide for Controlling Fusarium oxysporum in Chili (Capsicum annuum L.)

Agustrina,

Fadhilla,

Tamara

et al. 2024

Jurnal Biodjati

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“… 47 Compared with other reported extracts of plants, the ethanol extract of M. cortex had a better inhibition rate against R. solani than the extracts from Larrea tridentata (100% at 2000 μg/mL) and Ageratum conyzoides ethanol extract (below 70% at 1000 μg/mL). 14 , 48 Therefore, it is necessary to further extract and narrow the scope of antifungal active substances of M. cortex .…”

Section: Discussionmentioning

confidence: 99%

Anti-Fungal Activity of Moutan cortex Extracts against Rice Sheath Blight (Rhizoctonia solani) and Its Action on the Pathogen’s Cell Membrane

Zhao

Wang

et al. 2022

ACS Omega

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Rice sheath blight (RSB) caused by Rhizoctonia solani is one of the most destructive diseases of rice (Oryza sativa). Although chemical fungicides are the most important control methods, their long-term unreasonable application has brought about problems such as environmental pollution, food risks, and non-target poisoning. Therefore, considering the extraction of fungistatic substances from plants may be an alternative in the future. In this study, we found that the Moutan cortex ethanol extract has excellent antifungal activity against R. solani, with a 100% inhibition rate at 1000 μg/mL, which aroused our great exploration interest. In-depth exploration found that the antifungal active ingredients of M. cortex were mainly concentrated in the petroleum ether extract of the M. cortex ethanol extract, which still maintained a 100% inhibition rate with 250 μg/mL, and its effective medium concentration (EC 50 ) was 145.33 μg/mL against R. solani. Through the measurement of extracellular relative conductivity and OD 260 , the petroleum ether extract induced leakage of intracellular electrolytes and nucleic acids, indicating that the cell membrane was ruined. Therefore, we preliminarily determined that the cell membrane may be the target of the petroleum ether extract. Moreover, we found that petroleum ether extract reduced the content of ergosterol, a component of the cell membrane, which may be one of the reasons for the cell membrane destruction. Furthermore, the increase of MDA content would lead to membrane lipid peroxidation, further aggravating membrane damage, resulting in increased membrane permeability. Also, the destruction of the cell membrane was observed by the phenomenon of the mycelium being transparent and broken. In conclusion, this is the first report of the M. cortex petroleum ether extract exhibiting excellent antifungal activity against R. solani. The effect of the M. cortex petroleum ether extract on R. solani may be on the cell membrane, inducing the disorder of intracellular substances and metabolism, which may be one of the antifungal mechanisms against R. solani.

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“…Essential oils and extracts of the weed showed very strong antifungal activity against Drechslera sp., Puccinia arachidis , Botryodiplodia theobromae , Fusarium verticillioides , Alternaria cucumeria , Curvularia lunata , Pyricularia oryzae, Rhizoctonia solani , Aspergillus flavus , etc. [ 66 , 67 , 68 , 69 , 70 ], thereby providing an effective and eco-friendly solution for the management of fungal pathogens.…”

Section: Biological Activitymentioning

confidence: 99%

Ecology, Biology, Environmental Impacts, and Management of an Agro-Environmental Weed Ageratum conyzoides

Kaur

Singh

et al. 2023

Plants

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Ageratum conyzoides L. (Billy goat weed; Asteraceae) is an annual herbaceous plant of American origin with a pantropical distribution. The plant has unique biological attributes and a raft of miscellaneous chemical compounds that render it a pharmacologically important herb. Despite its high medicinal value, the constant spread of the weed is noticeable and alarming. In many countries, the weed has severely invaded the natural, urban, and agroecosystems, thus presenting management challenges to natural resource professionals and farmers. Its interference with agricultural crops, grassland forbs, forest ground flora, and its ability to replace native plant species are of serious concern. Therefore, it is pertinent to monitor its continuous spread, its entry into new geographic regions, the extent of its impact, and the associated evolutionary changes. While management strategies should be improvised to control its spread and reduce its adverse impacts, the possible utilization of this noxious weed for pharmacological and agronomic purposes should also be explored. The objective of this review is to provide a detailed account of the global distribution, biological activities, ecological and environmental impacts, and strategies for the management of the agro-environmental weed A. conyzoides.

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Antifungal Activities of Ageratum conyzoides L. Extract against Rice Pathogens Pyricularia oryzae Cavara and Rhizoctonia solani Kühn

Cited by 6 publications

References 49 publications

Bandotan (Ageratum conyzoides L.) as Bio-Fungicide for Controlling Fusarium oxysporum in Chili (Capsicum annuum L.)

Bandotan (Ageratum conyzoides L.) as Bio-Fungicide for Controlling Fusarium oxysporum in Chili (Capsicum annuum L.)

Anti-Fungal Activity of Moutan cortex Extracts against Rice Sheath Blight (Rhizoctonia solani) and Its Action on the Pathogen’s Cell Membrane

Ecology, Biology, Environmental Impacts, and Management of an Agro-Environmental Weed Ageratum conyzoides

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