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master's thesis
Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae)
Zagreb: University of Zagreb, Faculty of Agriculture, 2023. urn:nbn:hr:204:510047
Kovač, Mateo
University of Zagreb
Faculty of Agriculture
Agricultural Zoology

Institutional repository: Repository Faculty of Agriculture University of Zagreb

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Kovač, M. (2023). Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae) (Master's thesis). Zagreb: University of Zagreb, Faculty of Agriculture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:204:510047

Kovač, Mateo. "Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae)." Master's thesis, University of Zagreb, Faculty of Agriculture, 2023. https://urn.nsk.hr/urn:nbn:hr:204:510047

Kovač, Mateo. "Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae)." Master's thesis, University of Zagreb, Faculty of Agriculture, 2023. https://urn.nsk.hr/urn:nbn:hr:204:510047

Kovač, M. (2023). 'Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae)', Master's thesis, University of Zagreb, Faculty of Agriculture, accessed 30 December 2024, https://urn.nsk.hr/urn:nbn:hr:204:510047

Kovač M. Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae) [Master's thesis]. Zagreb: University of Zagreb, Faculty of Agriculture; 2023 [cited 2024 December 30] Available at: https://urn.nsk.hr/urn:nbn:hr:204:510047

M. Kovač, "Repelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae)", Master's thesis, University of Zagreb, Faculty of Agriculture, Zagreb, 2023. Available at: https://urn.nsk.hr/urn:nbn:hr:204:510047

Metadata
TitleRepelentno djelovanje eteričnih ulja na vrstu Tenebrio molitor L. (Coleoptera: Tenebrionidae)
Title (english)Repellent effects of essential oils on the species Tenebrio molitor L. (Coleoptera: Tenebrionidae)
AuthorMateo Kovač
MentorMaja Čačija (mentor)
Committee memberMaja Čačija (predsjednik povjerenstva)
Committee memberMartina Grdiša (član povjerenstva)
Committee memberIvan Juran (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Agriculture
(Agricultural Zoology)
Zagreb
Defense date and country2023-09-25, Croatia
Scientific / art field,
discipline and subdiscipline		BIOTECHNICAL SCIENCES
Agronomy
Abstract
Veliki brašnar (Tenebrio molitor L., 1758) je štetnik uskladištenih poljoprivrednih proizvoda. Odrasli se hrane brašnom, žitom i mesom dok ličinke oštećuju pakiranja uskladištenih poljoprivrednih proizvoda. Brašnarovom prisutnošću proizvodi se brže kvare te im se smanjuje tržna vrijednost. Zbog manjka djelatnih tvari za suzbijanje velikog brašnara, pojave rezistentnosti, kao i zbog Europskog Zelenog Plana (European Green Deal) primorani smo tražiti nova rješenja suzbijanja. Jedno od rješenja je korištenje eteričnih ulja koja pokazuju repelentno i insekticidno djelovanje, a ujedno pošteđuju okoliš. U radu je istraženo repelentno djelovanje eteričnih ulja citronele, timijana, klinčića, limunske trave i kadulje na ličinke velikog brašnara. Ispitano je šest koncentracija svakog eteričnog ulja (100, 200, 400, 600, 800 i 1000 μl/cm2 tretiranjem filter papira u Petrijevim posudama. Svaka koncentracija i kontrola postavljene su u pet ponavljanja. Broj ličinki na tretiranom ili netretiranom dijelu filter papira očitavan je svakih 24 sata tijekom pet dana te je izračunat koeficijent distribucije. Najbolje repelentno djelovanje na ličinke velikog brašnara pokazalo je eterično ulje kadulje, iza kojeg slijedi klinčić. Ostala ulja pokazala su se atraktivnima za brašnara. Primjena eteričnih ulja u zaštiti uskladištenih proizvoda pokazuje veliki potencijal, a repelentni učinak je važan jer rezultira smanjenom potrebom za suzbijanjem i samim time smanjenom upotrebom insekticida.
Abstract (english)
Beetle Tenebrio molitor L., 1758 is a well-known pest of grain and flour in food stores and grocery shops. The adults feed on flour, grain and meat, while the larvae damage the packaging of stored agricultural products. Due to the pest's presence, products deteriorate faster and their market value decreases. Due to the lack of active substances to control the yellow mealworm, the emergence of resistance, as well as the European Green Deal, we are forced to look for new control solutions. One of the solutions is the use of essential oils, which show repellent and insecticidal action, and at the same time protect the environment. This work investigated the repellent effect of essential oils of citronella, thyme, clove, lemongrass and sage on yellow mealworm larvae. Six concentrations of each essential oil (100, 200, 400, 600, 800 and 1000 μl/cm2) were tested by treating filter paper in Petri dishes. Each concentration and control were set in five replicates. The number of larvae on the treated or untreated part of the filter paper was read every 24 hours for five days and the distribution coefficient was calculated. The best repellent effect on the larvae was shown by sage essential oil, followed by clove. Other oils proved attractive to the mealworm. The use of essential oils in the protection of stored products shows great potential, and the repellent effect is important because it results in a reduced need for control and thus a reduced use of insecticides.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:204:510047
Study programmeTitle: Phytomedicine
Study programme type: university
Study level: graduate
Academic / professional title: magistar/ magistra inženjer/inženjerka fitomedicine (magistar/ magistra inženjer/inženjerka fitomedicine)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2023-10-30 07:24:49