Author/Authors :
bachrouch, olfa université de carthage - institut national de la recherche agronomique de tunisie (inrat) - laboratoire de protection des végétaux, Tunis, Tunisia , aydi, abdelkarim northern border university - college of engineering - chemical and materials engineering department, Arar, Saudi Arabia , aydi, abdelkarim institut préparatoire aux etudes scientifiques et techniques(ipest) - laboratoire matériaux- molécules et applications, La Marsa, Tunisia , karoui, iness jabri institut préparatoire aux etudes scientifiques et techniques(ipest) - laboratoire matériaux- molécules et applications, La Marsa, Tunisia , hamdi, soumaya haouel université de carthage - institut national de la recherche agronomique de tunisie(inrat) - laboratoire de biotechnologie appliquée à l’agriculture, Tunis, Tunisia , sriti, jazia centre de biotechnologie à la technopole de borj cedria - laboratoire des substances bioactives, Hammam Lif, Tunisia , salem, nithal centre de biotechnologie à la technopole de borj cedria - laboratoire des substances bioactives, Hammam Lif, Tunisia , msaada, kamel centre de biotechnologie à la technopole de borj cedria - laboratoire des substances bioactives, Hammam Lif, Tunisia , hamami, majdi centre de biotechnologie à la technopole de borj cedria - laboratoire des substances bioactives, Hammam Lif, Tunisia , boushih, emna université de carthage - institut national de la recherche agronomique de tunisie (inrat) - laboratoire de biotechnologie appliquée à l’agriculture, Tunis, Tunisia , abderraba, manef institut préparatoire aux etudes scientifiques et techniques(ipest) - laboratoire matériaux- molécules et applications, La Marsa, Tunisia , limam, ferid centre de biotechnologie à la technopole de borj cedria - laboratoire des substances bioactives, Hammam Lif, Tunisia , ben jemâa, jouda médiouni université de carthage - institut national de la recherche agronomique de tunisie(inrat) - laboratoire de biotechnologie appliquée à l’agriculture, Tunis, Tunisia
Abstract :
This study was aimed at assessing the chemical composition and fumigant toxicity of Pistacia lentiscus L. essential oil leaves against Tribolium castaneum adults in the floor mill conditions. GC/MS analysis showed that essential oil contains α-Pinene (18.48%), β-Myrcene (22.59%) and Sabinene (8.67%) as major compounds. Response surface methodology was used to optimize the fumigant toxicity of Pistacia lentiscus L. essential oil leaves from Tunisia against adults of Tribolium castaneum L. (Herbst, 1797) developed during wheat flour storage. The effects of two parameters namely storage period and wheat flour occupation space, on T castaneum mortality were studied. Different storage periods (15, 30 and 45 days) and occupation spaces (0, 50 and 100 %) were experimented. The fitted mathematical model allowed us to determine optimal conditions of P. lentiscus leaves essential oil fumigant toxicity. Results clearly indicated that the space occupation was the main factor influencing the mortality percentage of T. castaneum adults. The selected optimal conditions were obtained for an occupation space of 30% and a storage period situated between 15 and 45 days. In these optimal conditions, mortality percentage can reach 85%.
