Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile

Essential oils (EOs) from lavandin are known for a large spectrum of biological properties but poorly and contrastingly documented for their activity against phytoparasitic nematodes. This study investigated the toxicity of EOs from three different lavandin cultivars, Abrialis, Rinaldi Cerioni, and...

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Autores principales:	Trifone D’Addabbo, Sebastiano Laquale, Maria Pia Argentieri, Maria Grazia Bellardi, Pinarosa Avato
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	essential oils <i>Lavandula hybrida</i> nematicidal activity <i>Meloidogyne incognita</i> <i>Pratylenchus vulnus</i> sustainable management Organic chemistry QD241-441
Acceso en línea:	https://doaj.org/article/dba19427d1ac400aa5100b011c71e6ca
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spelling	oai:doaj.org-article:dba19427d1ac400aa5100b011c71e6ca2021-11-11T18:27:36ZNematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile10.3390/molecules262164481420-3049https://doaj.org/article/dba19427d1ac400aa5100b011c71e6ca2021-10-01T00:00:00Zhttps://www.mdpi.com/1420-3049/26/21/6448https://doaj.org/toc/1420-3049Essential oils (EOs) from lavandin are known for a large spectrum of biological properties but poorly and contrastingly documented for their activity against phytoparasitic nematodes. This study investigated the toxicity of EOs from three different lavandin cultivars, Abrialis, Rinaldi Cerioni, and Sumiens, either to juveniles (<i>J2</i>) and eggs of the root-knot nematode <i>Meloidogyne incognita</i> and to infective stages of the lesion nematode <i>Pratylenchus vulnus</i>. The suppressive activity of treatments with EOs from the three lavandin cultivars in soil infested by <i>M. incognita</i> was also investigated in a greenhouse experiment on potted tomato. The compositional profiles of tested EOs were also analyzed by GC-FID and GC-MS. Linalool was the major component of all the three EOs, as accounting for about 66%, 48%, and 40% of total EO from <i>cv</i> Rinaldi Cerioni, Sumiens, and Abrialis, respectively. Linalool acetate was the second most abundant compound in the EOs from <i>cv</i> Abrialis (18.3%) and Sumiens (14.9%), while significant amounts of camphor (11.5%) and 1,8-cineole (12.1%) were detected in <i>cv</i> Rinaldi Cerioni and Sumiens EOs, respectively. The mortality of <i>M. incognita J2</i> peaked 82.0%, 95.8%, and 89.8% after a 24 h treatment with 100 mg·mL<sup>−1</sup> solutions of <i>cv</i> Abrialis, Rinaldi Cerioni, and Sumiens EOs, respectively. Infective specimens of <i>P. vulnus</i> were largely more sensitive than <i>M. incognita J2</i>, as there were peak mortality rates of 65.5%, 67.7%, and 75.7% after 4 h of exposure to Abrialis, Rinaldi Cerioni, and Sumiens EO, respectively. All three lavandin EOs significantly affected also <i>M. incognita</i> egg hatchability, which reduced to 43.6% after a 48 h egg mass exposure to a 100 µg·mL<sup>−1</sup> solution of <i>cv</i> Rinaldi Cerioni EO. Soil treatments with the three lavandin EOs strongly reduced, according to a dose–effect relationship, density of <i>M. incognita</i> eggs, and <i>J2</i> both on tomato roots and in soil, as well as significantly reduced gall formation on tomato roots. Finally, almost all soil treatments with the lavandin EOs also resulted in a positive impact on tomato plant growth.Trifone D’AddabboSebastiano LaqualeMaria Pia ArgentieriMaria Grazia BellardiPinarosa AvatoMDPI AGarticleessential oils<i>Lavandula hybrida</i>nematicidal activity<i>Meloidogyne incognita</i><i>Pratylenchus vulnus</i>sustainable managementOrganic chemistryQD241-441ENMolecules, Vol 26, Iss 6448, p 6448 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	essential oils <i>Lavandula hybrida</i> nematicidal activity <i>Meloidogyne incognita</i> <i>Pratylenchus vulnus</i> sustainable management Organic chemistry QD241-441
spellingShingle	essential oils <i>Lavandula hybrida</i> nematicidal activity <i>Meloidogyne incognita</i> <i>Pratylenchus vulnus</i> sustainable management Organic chemistry QD241-441 Trifone D’Addabbo Sebastiano Laquale Maria Pia Argentieri Maria Grazia Bellardi Pinarosa Avato Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile
description	Essential oils (EOs) from lavandin are known for a large spectrum of biological properties but poorly and contrastingly documented for their activity against phytoparasitic nematodes. This study investigated the toxicity of EOs from three different lavandin cultivars, Abrialis, Rinaldi Cerioni, and Sumiens, either to juveniles (<i>J2</i>) and eggs of the root-knot nematode <i>Meloidogyne incognita</i> and to infective stages of the lesion nematode <i>Pratylenchus vulnus</i>. The suppressive activity of treatments with EOs from the three lavandin cultivars in soil infested by <i>M. incognita</i> was also investigated in a greenhouse experiment on potted tomato. The compositional profiles of tested EOs were also analyzed by GC-FID and GC-MS. Linalool was the major component of all the three EOs, as accounting for about 66%, 48%, and 40% of total EO from <i>cv</i> Rinaldi Cerioni, Sumiens, and Abrialis, respectively. Linalool acetate was the second most abundant compound in the EOs from <i>cv</i> Abrialis (18.3%) and Sumiens (14.9%), while significant amounts of camphor (11.5%) and 1,8-cineole (12.1%) were detected in <i>cv</i> Rinaldi Cerioni and Sumiens EOs, respectively. The mortality of <i>M. incognita J2</i> peaked 82.0%, 95.8%, and 89.8% after a 24 h treatment with 100 mg·mL<sup>−1</sup> solutions of <i>cv</i> Abrialis, Rinaldi Cerioni, and Sumiens EOs, respectively. Infective specimens of <i>P. vulnus</i> were largely more sensitive than <i>M. incognita J2</i>, as there were peak mortality rates of 65.5%, 67.7%, and 75.7% after 4 h of exposure to Abrialis, Rinaldi Cerioni, and Sumiens EO, respectively. All three lavandin EOs significantly affected also <i>M. incognita</i> egg hatchability, which reduced to 43.6% after a 48 h egg mass exposure to a 100 µg·mL<sup>−1</sup> solution of <i>cv</i> Rinaldi Cerioni EO. Soil treatments with the three lavandin EOs strongly reduced, according to a dose–effect relationship, density of <i>M. incognita</i> eggs, and <i>J2</i> both on tomato roots and in soil, as well as significantly reduced gall formation on tomato roots. Finally, almost all soil treatments with the lavandin EOs also resulted in a positive impact on tomato plant growth.
format	article
author	Trifone D’Addabbo Sebastiano Laquale Maria Pia Argentieri Maria Grazia Bellardi Pinarosa Avato
author_facet	Trifone D’Addabbo Sebastiano Laquale Maria Pia Argentieri Maria Grazia Bellardi Pinarosa Avato
author_sort	Trifone D’Addabbo
title	Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile
title_short	Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile
title_full	Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile
title_fullStr	Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile
title_full_unstemmed	Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile
title_sort	nematicidal activity of essential oil from lavandin (<i>lavandula</i> × <i>intermedia</i> emeric ex loisel.) as related to chemical profile
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/dba19427d1ac400aa5100b011c71e6ca
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Nematicidal Activity of Essential Oil from Lavandin (<i>Lavandula</i> × <i>intermedia</i> Emeric ex Loisel.) as Related to Chemical Profile

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