Antifungal activity of various essential oils against<i>Rhizoctonia solani</i>and<i>Macrophomina phaseolina</i>as major bean pathogens

Khaledi, Nima; Taheri, Parissa; Tarighi, Saeed

doi:10.1111/jam.12730

Cited by 72 publications

(54 citation statements)

References 56 publications

(65 reference statements)

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“…it was not further used for the field trials. Similar results were registered by Melo et al (2015) for common bean in the dry Caribbean region, where the essential oil of C. citratus inhibited the pathogen M. phaseolina, as well as other oils in different concentrations (Khaledi, Taheri, & Tarighi, 2015;Sánchez et al, 2008).…”

Section: In Vitro Effect Of Essential Oils Of L Alba and C Citratussupporting

confidence: 69%

Effect of agricultural inputs and essential oils on the soil of vegetables in Colombia's Caribbean region

Mena-Rodríguez¹,

Ortega-Cuadros²,

Merini³

et al. 2018

CTA

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The contribution of vegetables to food security and economic development in Colombia, as well as to environmental problems worldwide, justifies the interest to design sustainable production strategies for the agro-chain. This study was developed to evaluate the effect of the application of essential oils and agricultural inputs in chili peppers, beans and eggplants in Codazzi, Cesar, Colombia. The methodology included the compatibility analysis between pesticides used in these vegetables, and Lippia alba and Cymbopogon citratus oils in relation to their biocidal effect in vitro on native strains of Macrophomina phaseolina, Phytophthora capsici and Colletotrichum gloeosporioides. Applications of thiabendazole in an individual basis and combined with oils were carried out in the field. Physicochemical and microbiological indicators of soil, pests and diseases incidence and crop yield were measured. Oils controlled up to 97% of plant pathogens in vitro and exhibited compatibility with carbendazim and thiabendazole. In the field, up to 67 % of disease control was observed with C. citratus + thiabendazole compared to the control (p = 0.00), yields were close to the regional average, and better microbiological and physicochemical soil conditions were observed. In conclusion, there are differences in the edaphic effect between treatments, as the agrochemical and the oil combinations were more favorable than the individual effect of each product on the variables evaluated. The above exhorts to continue soil evaluations with oils to elucidate the duration of the described effects.

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Section: In Vitro Effect Of Essential Oils Of L Alba and C Citratussupporting

confidence: 69%

Effect of agricultural inputs and essential oils on the soil of vegetables in Colombia's Caribbean region

Mena-Rodríguez¹,

Ortega-Cuadros²,

Merini³

et al. 2018

CTA

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“…Phytochemicals contained in FB and FC could also induce cytotoxicity, however to a lesser degree than to one shown for CE and FA. The effect of plant extracts on fungal pathogens may be attributed to their content of secondary metabolites (e.g., alkaloids, phenolics, flavonoids and terpenoids) with known antifungal activity [45,46]. Antifungal activity of S. purpurea extract was associated with the concentration of sesquiterpenesas it inhibited the growth of mycelium of Fusarium oxysporum [25].…”

Section: Discussionmentioning

confidence: 99%

Antifungal Potential of Terpenes from Spondias Purpurea L. Leaf Extract against Moniliophthora Perniciosa that causes Witches Broom Disease of Theobroma Cacao

Pungartnik¹

2017

IJCAM

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The present in vitro study evaluates antifungal properties of Spondias purpurea plant extract against Moniliophthora perniciosa. Fractions of Ethanol Crude Extracts (CE) from S. purpurea were tested for their antifungal activity. CE inhibited mycelial growth of M. perniciosa by 60%at a dose of 10 mg/mL, while survival of broken hyphae of the fungus was inactivated by 90% at a dose of 8 mg/mL. Fractionation of CE yielded a terpene containing sub fraction (FA) with the highest fungicidal activity. FA acted as oxidant and its application induced oxidative stress in M. perniciosa that may be the responsible for the observed induced cell death. The chromatographic profile obtained with FA of S. purpurea revealed a variety of terpenes, which included Spathulenol (14.2%), Linolenic acid (8.4%), trans Caryophyllene (6.9%), and Alpha-muurolene (6.9%).This study describes for the first time effects of terpenes of S. purpurea related to induced oxidative stress in fungus. S. purpurea, therefore, may be a natural source for isolation of antifungal compounds against M. perniciosa. This characteristic may be useful in application as botanical fungicide in biological control.

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“…Application of resistant cultivars, plant extracts and essential oils, such as thymol oil and Galla chinensis extract, are the most effective, economic, and environmentally safe ways to control plant diseases (Forrer et al 2014;Khaledi et al 2015;Lenc et al 2015;Gill et al 2016). To date, two main types of resistance to FHB are widely accepted: type I -resistance to initial infection, type II -resistance to fungal spread within the spike.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of resistance and the role of some defense responses in wheat cultivars to Fusarium head blight

Khaledi¹,

Taheri²,

Falahati-Rastegar³

2018

Journal of Plant Protection Research

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Fusarium graminearum and F. culmorum are the causal agents of Fusarium head blight (FHB) in cereal crops worldwide. Application of resistant cultivars is the most effective and economic method for management of FHB and reducing mycotoxin production in wheat. Understanding the physiological and biochemical mechanisms involved in basal resistance of wheat to FHB disease is limited. In this research, after screening resistance levels of eighteen wheat cultivars planted in Iran, Gaskozhen and Falat were identified as partially resistant and susceptible wheat cultivars against Fusarium spp., respectively. Also, we investigated the role of hydroxyl radical (OH − ), nitric oxide (NO), callose deposition, lipid peroxidation and protein content in basal resistance of wheat to the hemi-biotrophic and necrotrophic Fusarium species causing FHB. Nitric oxide as a signaling molecule may be involved in physiological and defensive processes in plants. Our results showed that NO generation increased in seedlings and spikes of wheat cultivars after inoculation with Fusarium species. We observed earlier and stronger callose deposition at early time points after infection by Fusarium spp. isolates than in non-infected plants, which was positively related to the resistance levels in wheat cultivars. Higher levels of OH − and malondialdehyde (MDA) accumulation (as a marker of lipid peroxidation) were observed in the Falat than in the Gaskozhen cultivar, under non-infected and infected conditions. So, estimation of lipid peroxidation could be useful to evaluate cultivars' susceptibility. These findings can provide novel insights for better recognition of physiological and biochemical markers of FHB resistance, which could be used for rapid screening of resistance levels in wheat cultivars against this destructive fungal disease.

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Antifungal activity of various essential oils againstRhizoctonia solaniandMacrophomina phaseolinaas major bean pathogens

Abstract: Effect of EOs on CWDEs involved in pathogenesis is described in this study for the first time. Menthol can be used as a botanical fungicide to control destructive fungal diseases on bean.

Cited by 72 publications

References 56 publications

Effect of agricultural inputs and essential oils on the soil of vegetables in Colombia's Caribbean region

Effect of agricultural inputs and essential oils on the soil of vegetables in Colombia's Caribbean region

Antifungal Potential of Terpenes from Spondias Purpurea L. Leaf Extract against Moniliophthora Perniciosa that causes Witches Broom Disease of Theobroma Cacao

Evaluation of resistance and the role of some defense responses in wheat cultivars to Fusarium head blight

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