Chemical Composition and Biocontrol Activity of Different Essential Oils against Soil-Borne Fungal Pathogens.

The Plant Pathology Journal Pub Date : 2024-04-01 DOI:10.5423/ppj.oa.01.2024.0002

Yusuf Akdeniz, Tuba Genç Kesimci

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Abstract

In this study, the efficacy of the essential oil of Mentha longifolia, Achillea arabica and Artemisia absinthium plants were evaluated against important soil-borne fungal pathogens as Verticillium dahliae, Rhizoctonia solani, and Fusarium oxysporum. Essential oils were obtained from plants by hydrodistillation method and the chemical components of essential oils were determined by analyzing by gas chromatography-mass spectrometry. The main components found as piperitone oxide (13.61%), piperitenone oxide (15.55%), pulegone (12.47%), 1-menthone (5.75%), and camphor (5.75%) in M. longifolia, á-selinene 13.38%, camphor 13.34%, L-4-terpineneol 8.40%, (-)-á-Elemene 7.01%, 1,8-cineole 4.71%, and (-)-spathulenol 3.84% in A. arabica, and á-thujone (34.64%), 1,8-cineole (19.54%), pulegone (7.86%), camphene (5.31%), sabinene (4.86%), and germacrene-d (3.67%) in A. absinthium. The antifungal activities of the oils were investigated 0.05, 0.1, 0.25, 0.5, 1.00, and 2.00 μl/ml concentrations with the contact effect method. M. longifolia oil (1.00 and 2.00 μl/ml) has displayed remarkable antifungal effect and provided 100% inhibition on mycelial growth of V. dahliae, R. solani and F. oxysporum. The results obtained from this study may contribute to the development of new alternative and safe methods against soil-borne fungal pathogens.

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不同精油对土传真菌病原体的化学成分和生物控制活性

本研究评估了 Mentha longifolia、Achillea arabica 和 Artemisia absinthium 植物精油对重要土传真菌病原体（大丽轮枝菌、根瘤菌和镰孢菌）的功效。通过水蒸馏法从植物中提取精油，并通过气相色谱-质谱法测定精油的化学成分。在 M. longifolia 中发现的主要成分为氧化胡椒酮（13.61%）、氧化胡椒烯酮（15.55%）、pulegone（12.47%）、1-薄荷酮（5.75%）和樟脑（5.75%），á-硒烯 13.38%，樟脑 13.34%，L-4-萜品烯醇 8.40%、(-)-á-榄香烯 7.01%、1,8-蒎烯 4.71% 和 (-)-spathulenol 3.84%，以及苦艾中的á-thujone (34.64%)、1,8-蒎烯 (19.54%)、pulegone (7.86%)、莰烯 (5.31%)、sabinene (4.86%) 和 germacrene-d (3.67%)。用接触效应法研究了 0.05、0.1、0.25、0.5、1.00 和 2.00 μl/ml 浓度的精油的抗真菌活性。M. longifolia 油（1.00 和 2.00 μl/ml）具有显著的抗真菌效果，对 V. dahliae、R. solani 和 F. oxysporum 的菌丝生长具有 100% 的抑制作用。这项研究的结果可能有助于开发出新的替代性安全方法来对付土传真菌病原体。

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The Plant Pathology Journal

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