The effects of some essential oils on the life table parameters of green peach aphid Myzus persicae (Sulzer, 1776) (Hemiptera: Aphididae)

Abstract

In this study, essential oils (EOs) of Citrus limon (L.), Citrus sinensis (L.) (Sapindales: Rutaceae), Allium sativum (L.) (Asparagales: Amaryllidaceae) and Brassica nigra (L.) (Brassicales: Brassicaceae) were evaluated for their insecticidal effects on the green peach aphid Myzus persicae (Sulzer, 1776) (Hemiptera: Aphididae). The lethal and sublethal effects of these EOs on M. persicae were studied under laboratory conditions. This study was conducted at Yozgat Bozok University, Faculty of Agriculture, Department of Plant Protection in 2023. The experiments were evaluated at different concentrations for 24 hours after treatment. The lethal concentrations (LC50, LC90) of the EOs were calculated based on the data obtained. The life table parameters of newly born aphids were studied at sublethal concentrations (LC40, LC30) of EOs, and these parameters were calculated using the Euler-Lotka equation. The results show that the mortality rate increases with growing concentration of essential oils. The lethal concentration (LC50) of essential oils were calculated to be 3.47, 4.37, 4.51, and 5.16 µL/L, respectively. The sublethal concentrations (LC40, LC30) of essential oils caused an increase in adult longevity, a decrease in fecundity of surviving aphids and intrinsic rate of increase. From the data obtained, the EOs of C. limon and C. sinensis were more effective than other EOs in the study. It was found that other essential oils (A. sativum and B. nigra) may also be effective against M. persicae, even if their effect is low.

Keywords

• Green peach aphid
• intrinsic rate of increase
• net reproduction rate
• essential oils
• lethal concentration

Bazı bitkisel yağların şeftali yeşil yaprakbiti Myzus persicae (Sulzer, 1776) (Hemiptera: Aphididae)’nin yaşam çizelgesi parameterleri üzerindeki etkileri

Öz

Bu çalışmada, Citrus limon (L.), Citrus sinensis (L.) (Sapindales: Rutaceae), Allium sativum (L.) (Asparagales: Amaryllidaceae) ve Brassica nigra (L.) (Brassicales: Brassicaceae) bitkisel yağlarının, şeftali yaprakbiti Myzus persicae (Sulzer, 1776) (Hemiptera: Aphididae) üzerindeki insektisidal etkileri değerlendirilmiştir. Bu bitkisel yağların M. persicae üzerindeki öldürücü ve öldürücü olmayan etkileri laboratuvar koşullarında incelenmiştir. Bu çalışma 2023 yılında Yozgat Bozok Üniversitesi, Ziraat Fakültesi Bitki Koruma Bölümünde yürütülmüştür. Denemeler uygulamadan 24 saat sonra farklı bitkisel yağ konsantrasyonları için değerlendirilmiştir. Elde edilen verilere göre bitkisel yağların letal dozları (LC50, LC90) hesaplanmıştır. Bitkisel yağların öldürücü olmayan dozlarında (LC30, LC40) yaşam çizelgesi parametreleri belirlenmiştir ve bu parametreler Euler-Lotka eşitliğine göre hesaplanmıştır. Sonuçlar bitkisel yağ dozlarının artmasıyla ölüm oranın arttığını göstermektedir. Bitkisel yağların M. persicae üzerindeki LC50 dozları sırasıyla 3.47, 4.37, 4.51 ve 5.16 µL/L olarak hesaplanmıştır. Bitkisel yağların öldürücü olmayan dozları ise (LC30, LC40) ergin ömrünün artmasına, doğurganlığının azalmasına ve kalıtsal üreme oranının azalmasına neden olmuştur. Elde edilen verilere göre C. limon, C. sinensis bitkisel yağlarının çalışmadaki diğer bitkisel yağlardan daha etkili olduğu görülmüştür. Diğer bitkisel yağların da (A. sativum ve B. nigra) M. persicae’ye karşı düşük de olsa etkili olabileceği belirlenmiştir.

Anahtar Kelimeler

• Şeftali yeşil yaprakbiti
• kalıtsal üreme yeteneği
• net üreme gücü
• bitkisel yağlar
• letal doz

Kaynakça

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