Antifungal activity of essential oils derived from some plants against phytopathogenic fungi

Yami, Habung; Shukla, Ankita

doi:10.21746/aps.2016.07.002

Cited by 4 publications

(3 citation statements)

References 9 publications

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“…However, disease management of this pathogen is still poorly understood, particularly after the application of biological agents. Several previous studies have indicated that the essential oils of A. calamus are effective in inhibiting fungal pathogens, both in humans and plants (Radušienė and Pečiulytė, 2008;Sharma et al, 2009;Yami and Shukla, 2016;Rita et al, 2017). Accordingly, our results indicated that A. calamus essential oil inhibited the growth of C. reteaudii, which causes leaf and shoot blight in Eucalyptus.…”

Section: Discussionsupporting

confidence: 63%

In Vitro and In Vivo Inhibition of Cylindrocladium reteaudii by Essential Oils of Acorus calamus Rhizomes

Sintawarak¹,

Uthairatsamee²,

Keawgrajang³

2020

Environ. Nat. Resour. J.

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Cylindrocladium reteaudii (Bugnic.) Boesew. is a severe pathogen which can cause leaf blight disease in Eucalyptus seedlings in tropical countries. This study investigated the antifungal activity of essential oils extracted from Acorus calamus L. rhizomes in inhibiting the growth of C. reteaudii, both in in vitro and in vivo experiments. The extraction of essential oils from rhizomes was carried out by hydro-distillation technique and the in vitro antifungal testing was done by using the poisoned food technique. The results indicated that an essential oil concentration of 2,000 ppm can completely inhibit the fungal growth with a 50% inhibitory concentration value of 54.76 ppm. For the in vivo experiment, it was found that an essential oil concentration of 500 ppm and Captan® of 1,000 ppm were not significantly different in inhibiting the growth of C. reteaudii. However, these two treatments significantly inhibited the fungal growth (p<0.05) when compared with the control treatments. Physiological and anatomical characteristics were investigated to check for the antifungal activity after the application of essential oils. Results showed that essential oil spraying had no effect on the leaf transpiration rate and temperature of the Eucalyptus seedlings, but the incident disease ratio was high when an essential oil concentration of more than 1,500 ppm was applied. Therefore, it can be inferred that the essential oils from A. calamus rhizomes at an optimum concentration can be an efficient antifungal compound with a potential to control leaf and shoot blight diseases in Eucalyptus seedlings in a nursery.

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Section: Discussionsupporting

confidence: 63%

In Vitro and In Vivo Inhibition of Cylindrocladium reteaudii by Essential Oils of Acorus calamus Rhizomes

Sintawarak¹,

Uthairatsamee²,

Keawgrajang³

2020

Environ. Nat. Resour. J.

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“…Application of essential oil is a very attractive method for controlling postharvest diseases (Hammer et al, 2003;Ahmet et al, 2005). Essential oils and their components are gaining increasing interest because of their relatively safe status, their wide acceptance by consumers, and their exploitation for potential multi-purpose functional use (Yami & Shukla 2016). Essential oils have been used successfully in combination with a variety of treatments, such as antibacterial agents, mild heat and salt compounds (Karatzas et al, 2000).…”

Section: Introductionmentioning

confidence: 99%

Management of Fusarium fruit rot of Luffa cylindrical, a new occurred disease at North Egypt caused by Fusarium incarnatum and Fusarium chlamydosporum

Abdel-Kader,

Khalil,

Gamal

et al. 2023

Preprint

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Fusarium rot of Luffa cylindrical was detected at Kafr-El-Dawar province, Beheira governorate, North Egypt during the growing season 2021. Surveyed disease incidence at Beheira, Kafr El-Shekh and Sharkia governorate showed fruit rot incidence recorded as 18.33%, 16.12%, and 12.42%, respectively. Two fungal isolates of Fusarium spp. were tested for their pathogenic ability to induce Fusarium rot disease and proved typical disease symptoms. Online BLAST program was used for rapid identification and confirmation of identity performance of ITS and DNA sequencing, then compared with sequences available in GenBank. The two fungal isolates were identified as Fusarium incarnatum and Fusarium chlamydosporum and registered under accession number MN480497 and MN480498, respectively. Under laboratory conditions, the tested organic acids, essential oils and organic salts had significant inhibitory effect against the linear growth of the two fungal isolates. Complete fungal growth (100%) was recorded at 0.75 g/l of Topsin-M70 (Thiophanate-methyl) and 0.5% of salicylic acid. Meanwhile, moderate effect was observed at benzoic acid, coumarine, and cinnamon, thyme oil and garlic oil treatments. Under field conditions for two successive seasons, similar trend was also observed. Foliar spray with the fungicide Topsin-M70 had superior effect on disease expression followed by all applied fungicide alternative treatments. The highest fruit rot disease reduction was recorded at salicylic acid and coumarin treatments followed by thyme oil, benzoic acid and potassium carbonate, garlic oil, boric acid and sodium bicarbonate, respectively. It may be concluded that the applied treatments are considered applicable, safe and cost-effective method for controlling such pre-harvest fruit diseases under field conditions.

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“…Secondary metabolites of plants provide extracts and essential oils with antifungal, antiviral, antibacterial and various other properties. Therefore, they may become active substances for alternative plant disease management (Yami, Shukla, 2016).…”

Section: Introductionmentioning

confidence: 99%

The Effect of Spice Extracts on Strawberry Pathogen Botrytis Cinerea

Šernaitė¹,

Valiuškaitė²,

Raisukevičiūtė³

et al. 2020

Rural Development 2019

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Botrytis cinerea, the causal agent of strawberry grey mould, has become a severe problem of horticultural farms due to its genetic variability and growing resistance to frequently used fungicides. Plant disease could induce significant losses of yields and plants thus it is necessary to discover and apply novel approaches to control strawberry pathogens. In addition, chemical plant protection products can leave undesirable residues in fruits and the environment. Plant protection should be more friendly to the environment and human than already used chemical measures. One of the alternatives could be plant-based extracts, produced from aromatic and medicinal herbs, spices, fruits. Therefore, the aim of this study was to determine the in vitro effect of cinnamon bark (Cinnamomum cassia L.) and clove bud (Syzygium aromaticum L.) extracts on B. cinerea colony growth. Experiments were carried out at LAMMC Institute of Horticulture, Lithuania. Both extracts were obtained from dried material by extraction with CO2. For in vitro assay, extracts were separately mixed with potato dextrose agar in concentrations from 200 to 1000 μl/l, poured into Petri dishes, then each dish was inoculated with 6 mm diameter B. cinerea disc and incubated at 22±2 o C in the dark for 7 days. The diameter of the pathogen colony was measured 2, 4 and 7 days after inoculation. Concentrations of the extracts, which demonstrated reduced growth of the pathogen, were considered to have an antifungal effect. The results showed that extracts of cinnamon bark and clove bud had a similar antifungal effect on B. cinerea and suppressed the growth of 100% from 600 μl/l concentrations 4 days after inoculation. At 600-1000 μl/l, no growth of the pathogen was detected for both extracts 7 days after inoculation. However, clove bud extract considered to be more effective, as the diameter of B. cinerea colonies was smaller compared to cinnamon bark extract at 200-400 μl/l concentrations. To conclude, spice extracts of cinnamon bark and clove bud demonstrated antifungal effect on B. cinerea in vitro and could possibly be applied for control of strawberry grey mould.

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Antifungal activity of essential oils derived from some plants against phytopathogenic fungi

Cited by 4 publications

References 9 publications

In Vitro and In Vivo Inhibition of Cylindrocladium reteaudii by Essential Oils of Acorus calamus Rhizomes

In Vitro and In Vivo Inhibition of Cylindrocladium reteaudii by Essential Oils of Acorus calamus Rhizomes

Management of Fusarium fruit rot of Luffa cylindrical, a new occurred disease at North Egypt caused by Fusarium incarnatum and Fusarium chlamydosporum

The Effect of Spice Extracts on Strawberry Pathogen Botrytis Cinerea

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