Efficacy of Trichogramma evanescens and Bacillus thuringiensis var. kurstaki in control of Cydia pomonella (L.) in Turkey

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dc.contributor.authorÖztemiz, Sevcan
dc.contributor.authorKüden, Ali
dc.contributor.authorNas, Serpil
dc.contributor.authorLavkor, Işılay
dc.date.accessioned2020-05-01T09:12:09Z
dc.date.available2020-05-01T09:12:09Z
dc.date.issued2017
dc.departmentDÜ, Ziraat Fakültesi, Bitki Koruma Bölümüen_US
dc.descriptionWOS: 000403697300005en_US
dc.description.abstractThis study was conducted to evaluate the effectiveness of Trichogramma evanescens Westwood (Hymenoptera: Trichogrammatidae) release with as well as without Bacillus thuringiensis var. kurstaki (Berliner) in biological control of Cydia pomonella (L.) (Lepidoptera: Tortricidae) in the Galaxy Gala apple variety grafted onto M9 rootstock in 2016. Four treatments were analyzed: releasing T. evanescens alone (TE), applying B. thuringiensis var. kurstaki (BT) alone, applying both (TE + BT), and a control (C) without any application at all. The experiment design entailed randomized blocks with four replicates. In each generation of the egg stage, 100,000 parasitoids per hectare were released twice (1440 parasitoids/plot), with an interval of 7-10 days. In the larval stage, BT was applied twice for the first generation and once for the second. Weekly counts were performed regularly. The decrease in egg count was 52.15% in TE, 58.99% in BT, and 65.46% in TE + BT plots. The decrease observed in larval numbers was 68%, 73.33%, and 94.66%, respectively. Egg parasitization rates varied between 58.64% and 69.79%. At harvest, fruit infestation rates were 9.66% and 8.33% in TE and BT plots and just 2.0% in the TE + BT plot, versus 34% in the control plot. Promising results were achieved in biological control of C. pomonella when TE was combined with BT. The combined treatment of both biological control agents significantly decreased the population of the pests and crop damage. The natural enemy alone was not effective in keeping the population below the economic threshold level.en_US
dc.description.sponsorshipScientific and Technological Research Council of Turkey (TUBITAK)Turkiye Bilimsel ve Teknolojik Arastirma Kurumu (TUBITAK) [115Z680]en_US
dc.description.sponsorshipWe would like to thank the Scientific and Technological Research Council of Turkey (TUBITAK Project Number 115Z680) for the financial support provided for this study.en_US
dc.identifier.doi10.3906/tar-1701-124en_US
dc.identifier.endpage207en_US
dc.identifier.issn1300-011X
dc.identifier.issn1303-6173
dc.identifier.issue3en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage201en_US
dc.identifier.urihttps://doi.org/10.3906/tar-1701-124
dc.identifier.urihttps://hdl.handle.net/20.500.12684/5890
dc.identifier.volume41en_US
dc.identifier.wosWOS:000403697300005en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakTR-Dizinen_US
dc.language.isoenen_US
dc.publisherTubitak Scientific & Technical Research Council Turkeyen_US
dc.relation.ispartofTurkish Journal Of Agriculture And Forestryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectAppleen_US
dc.subjectbiopesticideen_US
dc.subjectbiological controlen_US
dc.subjectcodling mothen_US
dc.subjectegg parasitoiden_US
dc.subjectreleaseen_US
dc.titleEfficacy of Trichogramma evanescens and Bacillus thuringiensis var. kurstaki in control of Cydia pomonella (L.) in Turkeyen_US
dc.typeArticleen_US

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