Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)

Essential oils (EOs) have historically been used for centuries in folk medicine, and nowadays they seem to be a promising control strategy against wide spectra of pathogens, diseases, and parasites. Studies on free-living nematodes are scarce. The free-living microbivorous nematode <i>Panagrol...

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Main Authors: Violeta Oro, Slobodan Krnjajic, Marijenka Tabakovic, Jelena S. Stanojevic, Snezana Ilic-Stojanovic
Format: Article
Language:English
Published: MDPI AG 2020-11-01
Series:Plants
Subjects:
Online Access:https://www.mdpi.com/2223-7747/9/11/1588
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author Violeta Oro
Slobodan Krnjajic
Marijenka Tabakovic
Jelena S. Stanojevic
Snezana Ilic-Stojanovic
author_facet Violeta Oro
Slobodan Krnjajic
Marijenka Tabakovic
Jelena S. Stanojevic
Snezana Ilic-Stojanovic
author_sort Violeta Oro
collection DOAJ
description Essential oils (EOs) have historically been used for centuries in folk medicine, and nowadays they seem to be a promising control strategy against wide spectra of pathogens, diseases, and parasites. Studies on free-living nematodes are scarce. The free-living microbivorous nematode <i>Panagrolaimus</i> sp. was chosen as the test organism. The nematode possesses extraordinary biological properties, such as resistance to extremely low temperatures and long-term survival under minimal metabolic activity. Fifty EOs from 22 plant families of gymnosperms and angiosperms were tested on <i>Panagrolaimus</i> sp. The aims of this study were to investigate the in vitro impact of EOs on the psychrophilic nematode <i>Panagrolaimus</i> sp. in a direct contact bioassay, to list the activity of EOs based on median lethal concentration (LC50), to determine the composition of the EOs with the best nematicidal activity, and to compare the activity of EOs on <i>Panagrolaimus</i> sp. versus plant parasitic nematodes. The results based on the LC50 values, calculated using Probit analysis, categorized the EOs into three categories: low, moderate and highly active. The members of the laurel family, i.e., <i>Cinnamomum cassia</i> and <i>C. burmannii</i>, exhibited the best nematicidal activity. Aldehydes were generally the major chemical components of the most active EOs and were the chemicals potentially responsible for the nematicidal activity.
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spelling doaj.art-2baccbdc7dac4e16be6b5796e605d2962023-11-20T21:37:52ZengMDPI AGPlants2223-77472020-11-01911158810.3390/plants9111588Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)Violeta Oro0Slobodan Krnjajic1Marijenka Tabakovic2Jelena S. Stanojevic3Snezana Ilic-Stojanovic4Department of Plant Diseases, Institute for Plant Protection and Environment, 11000 Belgrade, SerbiaInstitute for Multidisciplinary Research, University of Belgrade, 11000 Belgrade, SerbiaAgroecology and Cropping Practices Group, Maize Research Institute, 11000 Belgrade, SerbiaFaculty of Technology Leskovac, University of Nis, 16000 Leskovac, SerbiaFaculty of Technology Leskovac, University of Nis, 16000 Leskovac, SerbiaEssential oils (EOs) have historically been used for centuries in folk medicine, and nowadays they seem to be a promising control strategy against wide spectra of pathogens, diseases, and parasites. Studies on free-living nematodes are scarce. The free-living microbivorous nematode <i>Panagrolaimus</i> sp. was chosen as the test organism. The nematode possesses extraordinary biological properties, such as resistance to extremely low temperatures and long-term survival under minimal metabolic activity. Fifty EOs from 22 plant families of gymnosperms and angiosperms were tested on <i>Panagrolaimus</i> sp. The aims of this study were to investigate the in vitro impact of EOs on the psychrophilic nematode <i>Panagrolaimus</i> sp. in a direct contact bioassay, to list the activity of EOs based on median lethal concentration (LC50), to determine the composition of the EOs with the best nematicidal activity, and to compare the activity of EOs on <i>Panagrolaimus</i> sp. versus plant parasitic nematodes. The results based on the LC50 values, calculated using Probit analysis, categorized the EOs into three categories: low, moderate and highly active. The members of the laurel family, i.e., <i>Cinnamomum cassia</i> and <i>C. burmannii</i>, exhibited the best nematicidal activity. Aldehydes were generally the major chemical components of the most active EOs and were the chemicals potentially responsible for the nematicidal activity.https://www.mdpi.com/2223-7747/9/11/1588essential oils<i>Panagrolaimus</i> sp.LC50aldehydes
spellingShingle Violeta Oro
Slobodan Krnjajic
Marijenka Tabakovic
Jelena S. Stanojevic
Snezana Ilic-Stojanovic
Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)
Plants
essential oils
<i>Panagrolaimus</i> sp.
LC50
aldehydes
title Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)
title_full Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)
title_fullStr Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)
title_full_unstemmed Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)
title_short Nematicidal Activity of Essential Oils on a Psychrophilic <i>Panagrolaimus</i> sp. (Nematoda: Panagrolaimidae)
title_sort nematicidal activity of essential oils on a psychrophilic i panagrolaimus i sp nematoda panagrolaimidae
topic essential oils
<i>Panagrolaimus</i> sp.
LC50
aldehydes
url https://www.mdpi.com/2223-7747/9/11/1588
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