Essential oils to control <i>Botrytis cinerea in vitro</i> and <i>in vivo</i> on plum fruits

Aminifard, Mohammad Hossein; Mohammadi, Seyed Abolghasem

doi:10.1002/jsfa.5765

Cited by 55 publications

(21 citation statements)

References 28 publications

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“…This control efficacy of CEO in controlling postharvest blue mold was also observed by Regnier et al [33] and Jhalegar et al [34] applying CEO treatment to protect ‘Valencia’ orange and ‘Kinnow’ mandarin from P. digitatum infection. These results were highly in agreement with the previous reports that the use of plant essential oils could reduce postharvest various diseases of citrus and other fruits [17,19,20,23,34,35]. Therefore, the application of CEO would provide a promising approach to help control blue mold disease development and reduce postharvest fungal rots loss of harvested citrus fruit.…”

Section: Resultssupporting

confidence: 92%

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Clove Essential Oil as an Alternative Approach to Control Postharvest Blue Mold Caused by Penicillium italicum in Citrus Fruit

et al. 2019

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Penicillium italicum causes blue mold disease and leads to huge economic losses in citrus production. As a natural antifungal agent, clove essential oil (CEO), which is a generally recognized as safe (GRAS) substance, shows strong in vitro activity against fungal pathogens. However, few studies on CEO for controlling postharvest blue mold disease caused by P. italicum in citrus fruit have been reported. Our aims were to investigate the control efficacy and possible mechanisms involved of CEO against P. italicum. In the present study, CEO treatment inhibited the disease development of blue mold when applied at 0.05% to 0.8% (v/v), and with the effective concentration being obtained as 0.4% (v/v). Besides its direct antifungal activity, CEO treatment also spurred a rapid accumulation of H2O2 compared with untreated fruits, which might contribute to enhancing an increase in the activities of defense-related enzymes, such as β-1,3-glucanase (β-Glu), chitinase (CHI), phenylalanine ammonia-lyase (PAL), peroxidase (POD), polyphenol oxidase (PPO), and lipoxygenase (LOX) in citrus fruit. Results of real time-quantitative polymerase chain reaction (RT-qPCR) showed that the gene expressions of β-Glu, CHI, PAL, POD and PPO were up-regulated in CEO-treated fruits. At the same time, CEO treatment led to down-regulated expression of the LOX gene in citrus fruit. Clove essential oil effectively control the disease incidence of blue mold decay in citrus fruit by motivating the host-defense responses, suppressing the malondialdehyde (MDA) accumulation while enhancing the activities and gene expressions of defense-related enzymes. Our study provides an alternative preservative applying CEO to reduce postharvest fungal decay in citrus fruit.

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Section: Resultssupporting

confidence: 92%

“…[9,11,19,20], Aspergillus spp. [7,10,21], and Botrytis cinerea [22,23,24]. Among EOs, clove essential oil (CEO) has been well known and used for antimicrobial, fungicidal, antiviral, antioxidant, antitumor, anesthetic, insecticidal, and cosmetic applications [25].…”

Section: Introductionmentioning

confidence: 99%

Clove Essential Oil as an Alternative Approach to Control Postharvest Blue Mold Caused by Penicillium italicum in Citrus Fruit

et al. 2019

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“…In vitro clove oil and marjoram oil were completely inhibited growth of S. sclerotiorum at 2.5 and 5% concentrations. This result is in agreement with the findings of Aminifard and Mohammadi (2013) and Zhenhua et al, (2013). The mycelial growth of S. sclerotiorum was inhibited completely by cinnamon, clove and mint oil (Al-Taisan et al, 2014).…”

Section: Discussionsupporting

confidence: 94%

Efficacy of Compost and Some Essential Oils Alone or in Combination in Controlling Cucumber White Mould Disease Under Protected House Conditions فعالیة السماد العضوی (الکمبوست) وبعض الزیوت العطریة بمفردها أو معًا فی مکافحة مرض العفن الأبیض فی الخیار تحت ظروف البیوت المحمیة

Ahmed

Elsisi

2020

Journal of Plant Protection and Pathology

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Three concentrations i.e 1, 2.5 and 5% of five essential oils were tested to study their effect on growth of Sclerotinia sclerotiorum. Results showed that Clove and Marjoram oils were inhibited growth of S. sclerotiorum. Under greenhouse conditions results revealed that amending vegetarian compost to soil increased the activity of all plant oils than the individual treatment in reducing disease severity of Sclerotinia rot. Clove oil alone or in combination with compost completely prevented the disease incidence. Seedling soaking with nigella, marjoram and clove oils and their combinations with or without compost against Sclerotinia rot disease. Clove oil combined with compost completely prevented the disease incidence in 2017 and disease severity recorded 2.36 % in 2018 growing season. Moreover, increase of fruit yield was recorded with the combined treatments between compost + clove oil then compost + marjoram and clove oils during growing seasons 2017 and 2018 respectively. All tested treatments positively increased the activity of peroxidase (PO), Polyphenol Oxidase (PPO) and PAL enzymes in cucumber. Moreover, chitinase and β 1,3glucanase were greatly increased in treated cucumber with treatments compared with control. The results of SDS (PAGE) showed that 15 protein bands with molecular weights ranging from 234.433 to 50.017 kDa are contained in cucumber plants. New protein bands expressed as a result of treating cucumber with plant oils. One band with 90.783 KDa was appeared in plants treated with marjoram and Clove oils, while absent in other treated plants.

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“…Treatments with E. staigeriana EO in the vineyard reduced significant incidence and severity of disease caused by B. cinearea and also reduced the severity of disease caused by C. acutatum , demonstrating its effectiveness when applied in the field. Most of the EOs have been reported to inhibit phytopathogenic fungi in vitro and postharvest conditions, however, to our knowledge the in vivo efficacy of the EOs against the fungal rots of grapes has not been studied in the field.…”

Section: Discussionmentioning

confidence: 99%

Alternative control of grape rots by essential oils of two Eucalyptus species

et al. 2019

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BACKGROUND Essential oils (EOs) are volatile natural compounds produced by plant secondary metabolism, and some of them exhibit antimicrobial activity. The objective of the present study was to determine the chemical composition the EOs of Eucalyptus staigeriana and Eucalyptus globulus, and their effect in vitro and in vivo against Botrytis cinerea and Colletotrichum acutatum, the most important fungal rot diseases of grapes. Moreover, grapes collected from field experiments were used to evaluate the impact of the alternative control on the alcoholic fermentation and wine composition. RESULTS The major compound of E. staigeriana EO were citral 30.91% (19.74% geranial, 11.17% neral), 1.8‐cineole (24.59%) and limonene (19.47%), while 1.8‐cineole represented 68.26% of E. globulus EO. The two EOs showed in vitro antifungal activity against both pathogens. Eucalyptus staigeriana EO exhibited the highest activity inhibiting mycelial growth (MG) and conidial germination at 0.5 μL mL−1. Moreover, this EO was able to reduce the incidence and severity of grey rot caused by B. cinerea and the severity of ripe rot caused by C. acutatum The alternative control did not significantly influence alcoholic fermentation, the physicochemical characteristics, and the volatile composition of wines. CONCLUSION These results are promising and indicate that E. staigeriana EO might be further investigated as a natural alternative for the control of fungal rots on wine grapes. © 2019 Society of Chemical Industry

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Essential oils to control Botrytis cinerea in vitro and in vivo on plum fruits

Abstract: This research confirms the antifungal effects of black caraway, fennel and peppermint essential oils both in vitro and in vivo on plum fruits postharvest. Therefore these essential oils could be an alternative to chemicals to control postharvest phytopathogenic fungi on plum fruits.

Cited by 55 publications

References 28 publications

Clove Essential Oil as an Alternative Approach to Control Postharvest Blue Mold Caused by Penicillium italicum in Citrus Fruit

Clove Essential Oil as an Alternative Approach to Control Postharvest Blue Mold Caused by Penicillium italicum in Citrus Fruit

Alternative control of grape rots by essential oils of two Eucalyptus species

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