Journals / Türkiye Entomoloji Dergisi / 2021 / Cilt: 45 - Sayı: 1

Toxic efficacy of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plant crude extracts against nymphs and adults of Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae) under laboratory conditions

Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae)’nın nimf ve erginlerine karşı Cuscuta campestris Yunck. (Solanales: Convolvulaceae) ve Lupinus albus L. (Fabales: Fabaceae) bitki ham özütlerinin laboratuvar koşulları altında toksik etkinliği

Pages
65–75
Publication Date
2021-03-01
DOI
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AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

HPLC-DAD results showed that the high concentration of kaempferol and quercetin for each extract.

📌 3 Key Takeaways

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Objective & Hypothesis:The planthopper, Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae), is an important agricultural pest of grapevine, kiwifruit and tea in Asia and in some countries of Eastern Europe.
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Key Findings & Data:The efficacy of the crude extracts of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plants was evaluated under laboratory conditions for control of O. japonica nymphs and adults collected in 2019 from Rize (Turkey).
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Conclusion & Impact:HPLC-DAD results showed that the high concentration of kaempferol and quercetin for each extract.
🔬Design:Research Article
📍Scope:2019 Verileri
⚙️Variables:Biyolojik mücadele · tarla küskütü · insektisidal aktivite

Abstract

The planthopper, Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae), is an important agricultural pest of grapevine, kiwifruit and tea in Asia and in some countries of Eastern Europe. The efficacy of the crude extracts of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plants was evaluated under laboratory conditions for control of O. japonica nymphs and adults collected in 2019 from Rize (Turkey). Their toxic efficacies were investigated by two different methods. Fixed-dose death rates were used for LT50 calculation and dosage test results were used for LC50 calculation. Also, the phenolic constituents of active plant extracts were examined using HPLC-DAD. Generally, the LT50 values obtained using ethyl acetate extracts were lower than those with methanol extracts. LT50 values of adults were found lower than in nymphs. The test plants crude extracts had high activity at and below 2 g/L (LC90) for two different plants. HPLC-DAD results showed that the high concentration of kaempferol and quercetin for each extract. Extracts of both plants gave promising results for use in O. japonica control, but more detailed studies on the active constituents of these candidate plants need to be undertaken.

Özet

Yalancı kelebek, Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae), Asya'da ve bazı Doğu Avrupa ülkelerinde üzüm, çay ve kivide önemli bir tarımsal zararlıdır. 2019 yılında Rize (Türkiye)’den toplanan O. japonica nimfleri ve erginlerinin kontrolüne karşı Cuscuta campestris Yunck. (Solanales: Convolvulaceae) ve Lupinus albus L. (Fabales: Fabaceae)’un ham özütlerinin laboratuvar koşullarında etkinliği değerlendirilmiştir. Bunların toksik etkileri iki farklı yöntemle araştırılmıştır. Sabit doz ölüm oranları LT50 ve dozaj test sonuçları LC50 hesaplamaları için kullanılmıştır. Ayrıca aktif bitki özütlerinin fenolik bileşenleri HPLC-DAD kullanılarak incelenmiştir. Genellikle, etil asetat özütleri kullanılırken elde edilen LT50 değerleri, metil alkol özütlerinden düşük olmuştur. Erginlerin LT50 değerleri nimflere göre daha düşük bulunmuştur. Deneme bitkilerinin ham özütleri, iki farklı bitki için 2 g/L (LC90) civarında ve altında yüksek aktivite göstermiştir. HPLC-DAD sonuçları, her bir özüt için yüksek kaempferol ve quercetin konsantrasyonunu göstermiştir. Her iki bitkinin özütleri, O. japonica'nın kontrolünde kullanımı için umut vericidir, ancak bu aday bitkilerin aktif bileşenleri üzerinde daha ayrıntılı çalışmaların yapılması gerekmektedir.

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Cite This Article

AKİNER, M. M., SELVİ, E. K., ÖZTÜRK, M., GÜNEY, İ., USTA, A. (2021). Toxic efficacy of Cuscuta campestris Yunck. (Solanales: Convolvulaceae) and Lupinus albus L. (Fabales: Fabaceae) plant crude extracts against nymphs and adults of Orosanga japonica (Melichar, 1898) (Hemiptera: Ricaniidae) under laboratory conditions. Türkiye Entomoloji Dergisi, Cilt: 45 - Sayı: 1, 65–75. https://ajindex.com/articles/115997

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