Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems

Ants are important because they damage agricultural equipment, including microirrigation systems. The aim of this research was to assess the efficiency of the incorporation of repellents in drip irrigation tubing as a method of protection against ant damage. Unlike previous studies, we tested a seri...

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Main Authors: Luis de Pedro, Juan Antonio Sanchez
Format: Article
Language:English
Published: MDPI AG 2022-04-01
Series:Insects
Subjects:
Online Access:https://www.mdpi.com/2075-4450/13/4/395
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author Luis de Pedro
Juan Antonio Sanchez
author_facet Luis de Pedro
Juan Antonio Sanchez
author_sort Luis de Pedro
collection DOAJ
description Ants are important because they damage agricultural equipment, including microirrigation systems. The aim of this research was to assess the efficiency of the incorporation of repellents in drip irrigation tubing as a method of protection against ant damage. Unlike previous studies, we tested a series of nontoxic compounds that are repellent to ants. First, we assessed their repellent effects on a local ant species via olfactometer trials. Then, the candidates showing the best results (cinnamon essential oil, p-anisaldehyde and ethyl anthranilate) were incorporated via compounding, injection and extrusion to polyethylene tubing to test their efficiency in the field. Field tests showed high damage levels in the control tubing containing no repellents, presumably caused by up to six different ant species (<i>Cardiocondyla batesii</i>, <i>Plagiolepis pygmaea</i>, <i>P. schmitzii</i>, <i>Solenopsis</i> sp., <i>Tapinoma nigerrimum</i> and <i>Tetramorium semilaeve</i>). In contrast, the pipes containing the three selected compounds remained almost intact, with the treatment including ethyl anthranilate showing no damage at all. These results suggest the strong repellent potential of the selected compounds, even when integrated into plastic, as well as the apparent success of the proposed methodology against the damage caused by ants. The diversity of damage-causing agents that exist in or above the soil strongly encourages further studies to determine the overall efficiency of repellents in protecting irrigation pipes.
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spelling doaj.art-5fa9e755cf324f319ec72f766bfbd8442023-12-01T21:06:05ZengMDPI AGInsects2075-44502022-04-0113439510.3390/insects13040395Natural Repellents as a Method of Preventing Ant Damage to Microirrigation SystemsLuis de Pedro0Juan Antonio Sanchez1Department of Crop Protection, Biological Control and Ecosystem Services, Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental, C/Mayor s/n, La Alberca, 30150 Murcia, SpainDepartment of Crop Protection, Biological Control and Ecosystem Services, Instituto Murciano de Investigación y Desarrollo Agrario y Medioambiental, C/Mayor s/n, La Alberca, 30150 Murcia, SpainAnts are important because they damage agricultural equipment, including microirrigation systems. The aim of this research was to assess the efficiency of the incorporation of repellents in drip irrigation tubing as a method of protection against ant damage. Unlike previous studies, we tested a series of nontoxic compounds that are repellent to ants. First, we assessed their repellent effects on a local ant species via olfactometer trials. Then, the candidates showing the best results (cinnamon essential oil, p-anisaldehyde and ethyl anthranilate) were incorporated via compounding, injection and extrusion to polyethylene tubing to test their efficiency in the field. Field tests showed high damage levels in the control tubing containing no repellents, presumably caused by up to six different ant species (<i>Cardiocondyla batesii</i>, <i>Plagiolepis pygmaea</i>, <i>P. schmitzii</i>, <i>Solenopsis</i> sp., <i>Tapinoma nigerrimum</i> and <i>Tetramorium semilaeve</i>). In contrast, the pipes containing the three selected compounds remained almost intact, with the treatment including ethyl anthranilate showing no damage at all. These results suggest the strong repellent potential of the selected compounds, even when integrated into plastic, as well as the apparent success of the proposed methodology against the damage caused by ants. The diversity of damage-causing agents that exist in or above the soil strongly encourages further studies to determine the overall efficiency of repellents in protecting irrigation pipes.https://www.mdpi.com/2075-4450/13/4/395antsmicroirrigation systemssubsurface drip irrigationrepellentsolfactometerp-anisaldehyde
spellingShingle Luis de Pedro
Juan Antonio Sanchez
Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems
Insects
ants
microirrigation systems
subsurface drip irrigation
repellents
olfactometer
p-anisaldehyde
title Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems
title_full Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems
title_fullStr Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems
title_full_unstemmed Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems
title_short Natural Repellents as a Method of Preventing Ant Damage to Microirrigation Systems
title_sort natural repellents as a method of preventing ant damage to microirrigation systems
topic ants
microirrigation systems
subsurface drip irrigation
repellents
olfactometer
p-anisaldehyde
url https://www.mdpi.com/2075-4450/13/4/395
work_keys_str_mv AT luisdepedro naturalrepellentsasamethodofpreventingantdamagetomicroirrigationsystems
AT juanantoniosanchez naturalrepellentsasamethodofpreventingantdamagetomicroirrigationsystems