Article (Scientific journals)
How to get rid of the two spotted spider mites?
Attia, Sabrine; Grissa, Kaouthar Lebdi; Heuskin, Stéphanie et al.
2014In Revue des Régions Arides, 35 (3), p. 1739-1748
Peer reviewed
 

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Keywords :
Tetranychus urticae; Phytoseilus persimilis; essential oils; fumigation; toxicity; pest management
Abstract :
[en] Two essential oils were tested for their toxicity against eggs and adults of Tetranychus urticae Koch as well as adults of Phytoseiulus persimilis Athias-Henriot, by using a filter paper diffusion bioassay without allowing direct contact. Responses varied according to oil type and dose, and mite species. The chemical analyses with GC-MS and GC-FID revealed that the two oils differed in their most abundant components. The most abundant components in the Citrus oil were linalyl acetate (41.95%), sabinene (18.60%) and linalool (18.14%) whereas pulegone (41.86%) and menthone (28.33%) were most prevalent in the Mentha oil. Mortality and fecundity were measured with 15 oils concentrations ranged from 0.01 to 8μl/l of air. Tetranychid mortality increased with increasing concentrations with LC50 value of 5.39 and 4.09 μl/l for C. aurantium and M. pulegium, respectively. However few mortality was observed in the case of P. persimilis with LC50 value of 0.46 and 0.26 μl/l for C. aurantium and M. pulegium respectively. For both oils a reduction of fecundity was observed at 0.01 μ/l in the case of T. urticae. The essential oils described herein have potential interest as fumigants for the bio-control of T. urticae.
Disciplines :
Entomology & pest control
Agriculture & agronomy
Chemistry
Author, co-author :
Attia, Sabrine
Grissa, Kaouthar Lebdi
Heuskin, Stéphanie ;  Université de Liège - ULiège > Chimie et bio-industries > Analyse, qual. et risques - Labo. de Chimie analytique
Lognay, Georges ;  Université de Liège - ULiège > Chimie et bio-industries > Analyse, qual. et risques - Labo. de Chimie analytique
Mailleux, Anne-Catherine
Hance, Thierry
Language :
English
Title :
How to get rid of the two spotted spider mites?
Publication date :
2014
Journal title :
Revue des Régions Arides
ISSN :
0330-7956
Publisher :
Institut des Régions Arides (IRA), Médenine, Tunisia
Special issue title :
Axtes du 4ème Meeting International "Aridoculture et Cultures Oasiennes: Gestion des Ressources et Applications Biotechnologiques en Aridoculture et Cultures Sahariennes : perspectives pour un développement durable des zones arides
Volume :
35
Issue :
3
Pages :
1739-1748
Peer reviewed :
Peer reviewed
Available on ORBi :
since 22 January 2015

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