Determination of the Essential Oil Composition and the Antifungal Activities of Bilberry (<i>Vaccinium myrtillus</i> L.) and Bay Laurel (<i>Laurus nobilis</i> L.)

Bayar, Yusuf; Onaran, Abdurrahman; Yılar, Melih; Gül, Fatih

doi:10.1080/0972060x.2017.1417060

Cited by 16 publications

(13 citation statements)

References 18 publications

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“…and Lavandula angustufolia Mill. [48][49][50] (Bayar et al, 2018;Üstüner et al, 2018;Erdogan et al, 2016) have been shown to be able to inhibit the in vitro mycelial growth of different phytopathogenic fungi, including V. dahliae. Moreover, in inoculated olive plants, the essential oil of Thymus sp.…”

Section: Discussionmentioning

confidence: 99%

“…Some plant extracts from other botanical species such as Vaccinium myrtillus L., Laurus nobilis L., Eucalyptus camaldulensis Dehnh, Mentha piperita L., Thymus vulgaris L. and Lavandula angustufolia Mill. [ 48 , 49 , 50 ] (Bayar et al, 2018; Üstüner et al, 2018; Erdogan et al, 2016) have been shown to be able to inhibit the in vitro mycelial growth of different phytopathogenic fungi, including V. dahliae . Moreover, in inoculated olive plants, the essential oil of Thymus sp.…”

Section: Discussionmentioning

confidence: 99%

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Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays

Falcón-Piñeiro¹,

Remesal

Noguera

et al. 2021

JoF

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Verticillium wilt, caused by Verticillium dahliae, is the most devastating soil-borne fungal disease of olive trees worldwide. Currently, there is no effective measure available to control the pathogen in diseased plants in open field conditions. Searching more effective and sustainable solutions are a priority for the olive sector. The existing alternatives for disease control include the use of biological control microorganisms and compounds of natural origin from plants, such as Alliaceae. Propyl propane thiosulfinate (PTS) and propyl propane thiosulfonate (PTSO) are two organosulfur compounds derived from Allium cepa with a widely documented antimicrobial activity. The aim of this study was to evaluate the antifungal activity of PTS and PTSO against the defoliating and non-defoliating V. dahliae pathotypes. Firstly, several in vitro tests were performed (Minimum Antifungal Concentration, susceptibility studies according to the Kirby–Bauer disk-diffusion method, antifungal activity through aerial diffusion and effect on mycelial growth). The ability of both compounds to sanitize soil was evaluated using a sterile substrate inoculated with V. dahliae. Finally, challenges in growth chambers were carried out. PTS and PTSO generated growth inhibition zones in agar diffusion and the gas phase, and the mycelial growth of all the V. dahliae strains was significantly altered. The V. dahliae population in soil was considerably reduced after the sanitization. Finally, in planta assays demonstrated the ability of these compounds to reduce disease related parameters and their contribution to control the phytopathogen. In conclusion, the results showed that the PTS and PTSO from Allium cepa display in vitro and in vivo antifungal activity against V. dahliae and suggested that both compounds could be used as natural and environmentally friendly tools for Verticillium wilt management.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays

Falcón-Piñeiro¹,

Remesal

Noguera

et al. 2021

JoF

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“…For instance, the hydro-distilled essential oil from the leaves of Juniperus thurifera L. was able to inhibit the mycelial growth of different phytopathogenic fungi, including V. dahliae [192]. Similarly, the variable in vitro mycelial growth inhibition of S. sclerotiorum, F. oxysporum, and V. dahliae was observed with essential oils extracted from Vaccinium myrtillus L., Laurus nobilis L., and Eucalyptus camaldulensis Dehnh [193,194]. Finally, a study compared the antifungal effect of essential oils and plant extracts of Mentha piperita L., Thymus vulgaris L., and Lavandula angustufolia Mill., showing that essential oils provided better results for their ability to inhibit mycelial growth [195].…”

Section: Plant Extracts Essential Oils and Seaweedsmentioning

confidence: 99%

Verticillium Wilt of Olive and Its Control: What Did We Learn during the Last Decade?

Montes-Osuna

Mercado‐Blanco

2020

Plants

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Verticillium (Verticillium dahliae Kleb.) wilt is one of the most devastating diseases affecting olive (Olea europaea L. subsp. europaea var. europaea) cultivation. Its effective control strongly relies on integrated management strategies. Olive cultivation systems are experiencing important changes (e.g., high-density orchards, etc.) aiming at improving productivity. The impact of these changes on soil biology and the incidence/severity of olive pests and diseases has not yet been sufficiently evaluated. A comprehensive understanding of the biology of the pathogen and its populations, the epidemiological factors contributing to exacerbating the disease, the underlying mechanisms of tolerance/resistance, and the involvement of the olive-associated microbiota in the tree’s health is needed. This knowledge will be instrumental to developing more effective control measures to confront the disease in regions where the pathogen is present, or to exclude it from V. dahliae-free areas. This review compiles the most recent advances achieved to understand the olive–V. dahliae interaction as well as measures to control the disease. Aspects such as the molecular basis of the host–pathogen interaction, the identification of new biocontrol agents, the implementation of “-omics” approaches to unravel the basis of disease tolerance, and the utilization of remote sensing technology for the early detection of pathogen attacks are highlighted.

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“…The antifungal activity of the essential oils of Laurus nobilis plants inhibited in vitro mycelial growth of Fusarium oxysporum f. sp. radicis-lycopersici (Bayar et al, 2018), Fusarium oxysporum f. sp. radicis-cucumerinum (Soylu and Incekara, 2017) in a dose-dependent manner.…”

Section: Antifungal Activity Of Essential Oils Against Mycelial Growth Of Fungal Isolatesmentioning

confidence: 99%

“…Antifungal activities of essential oils of different plants against Fusarium spp. and P. funerea has been reported (Ozcan et al, 2006;Cheng et al, 2011;Ho et al, 2012;Park et al, 2017;Soylu and Incekara, 2017;Bayar et al, 2018). Although antifungal activities of laurel and fennel were investigated against Fusarium oxysporum, there is no study reporting antifungal activities of these essential oils against Pestalotiopsis funerea.…”

mentioning

confidence: 99%

Determination of chemical compositions and antifungal activities of laurel and fennel essential oils against fungal disease agents of cypress seedlings

Kara

Soylu

Türkmen

et al. 2020

Tekirdağ Ziraat Fakültesi Dergisi

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Fusarium oxysporum and Pestalotiopsis funerea are the most common fungal disease agents of conifer seedlings causing root rot and shoot or tip blight diseases. In this study, chemical compositions and antifungal activities of essential oils of fennel (Foeniculum vulgare Mill.) and laurel (Laurus nobilis L.) were determined against root rot and wilt disease agents F. oxysporum and P. funerea in vitro conditions. Chemical compositions of essential oils were determined by using GC-MS analysis. Antifungal volatile phase effects of essential oils were determined on inhibition of mycelial growth in vitro conditions by using different concentrations. The effect of most effective concentrations of essential oils on the morphology of fungal hypha was also determined by using light microscope. GC-MS analysis of essential oils of laurel and fennel plants revealed that eucalyptol (52.88%) and α-terpinyl acetate (11.77%) were major components of laurel; trans-anethole (81.55%) and limonene (5.88%) were major components of fennel essential oils. Volatile phase effects of fennel and laurel essential oils were found to completely inhibit mycelial growth of F. oxysporum at 30.0 and 50.0 µl petri -1 concentrations, respectively. Complete growth inhibition of P. funerea by essential oil of fennel and laurel were observed at relatively lower concentrations (20.0 and 25.0 µl petri -1 concentrations, respectively). Light microscopic observations on hyphae, exposed to volatile phase of the most efficient concentrations of essential oil, revealed considerable structural deformations such as cytoplasmic coagulation, vacuolations and protoplast leakage. In conclusion, our results suggest that essential oils have the potential for use in control of fungal diseases of conifer plants.

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Determination of the Essential Oil Composition and the Antifungal Activities of Bilberry (Vaccinium myrtillus L.) and Bay Laurel (Laurus nobilis L.)

Cited by 16 publications

References 18 publications

Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays

Antifungal Activity of Propyl-Propane-Thiosulfinate (PTS) and Propyl-Propane-Thiosulfonate (PTSO) from Allium cepa against Verticillium dahliae: In Vitro and in Planta Assays

Verticillium Wilt of Olive and Its Control: What Did We Learn during the Last Decade?

Determination of chemical compositions and antifungal activities of laurel and fennel essential oils against fungal disease agents of cypress seedlings

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