Individual and combined effects of Juniperus phoenicea and J. oxycedrus powders on insecticidal activity against Tribolium castaneum (Herbst) (Coleoptera: Tenebrionidae) and Rhyzopertha dominica (Fabricius) (Coleoptera: Bostrichidae)

IF 2.7 2区农林科学 Q1 ENTOMOLOGY

Journal of Stored Products Research Pub Date : 2025-01-29 DOI:10.1016/j.jspr.2025.102573

Imane Naimi, Hafida Bouamama, Touria Ba M'hamed

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引用次数: 0

Abstract

Tribolium castaneum (Herbst) and Rhyzopertha dominica (Fabricius) are two major beetle pests that affect the quality and commercial value of stored products. The aim of this study is to evaluate the insecticidal effect of Juniperus phoenicea and Juniperus oxycedrus, as well as their binary combinations, against adults of T. castaneum and R. dominica. Masses of 1, 1.5, 2, 2.5, and 3 g were used for each plant powder as well as for their binary combination (75% of J. phoenicea powder and 25% of J. oxycedrus). The results obtained revealed that the two powders tested separately revealed a notable effectiveness against T. castaneum and R. dominica. In particular, J. phoenicea is the most toxic against T. castaneum (LD₅₀ = 0.52 g) after 240 h of exposure, and R. dominica (LD₅₀ = 0.60 g) after 192 h of exposure. In combination, the powders showed increased toxicity against T. castaneum (LD₅₀ = 0.55 g) and R. dominica (LD₅₀ = 0.42 g) after 144 h of exposure. The potential of these powders may prove to be an effective and environmentally friendly method of preventing infestations of T. castaneum and R. dominica adults.

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Tribolium castaneum (Herbst) 和 Rhyzopertha dominica (Fabricius) 是影响储藏产品的质量和商业价值的两种主要甲虫。本研究的目的是评估鹅掌楸和欧洲桧以及它们的二元组合对蓖麻成虫和多角金龟子成虫的杀虫效果。每种植物粉末以及它们的二元组合（75% 的鹅掌楸粉末和 25% 的氧化桧粉末）的质量分别为 1、1.5、2、2.5 和 3 克。结果表明，分别测试的两种粉末对 T. castaneum 和 R. dominica 有显著的防治效果。特别是，在暴露 240 小时后，鹅掌楸对 T. castaneum 的毒性最强（LD50 = 0.52 克），而在暴露 192 小时后，对 R. dominica 的毒性最强（LD50 = 0.60 克）。这些粉末混合使用后，对蓖麻（LD50 = 0.55 g）和多颖夜蛾（LD50 = 0.42 g）的毒性在接触 144 小时后有所增加。这些粉末的潜力可能会被证明是一种有效且环保的方法，可预防蓖麻成虫和多角体蚜成虫的侵扰。

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来源期刊

Journal of Stored Products Research 生物-昆虫学

CiteScore

5.70

自引率

18.50%

发文量

112

审稿时长

45 days

期刊介绍： The Journal of Stored Products Research provides an international medium for the publication of both reviews and original results from laboratory and field studies on the preservation and safety of stored products, notably food stocks, covering storage-related problems from the producer through the supply chain to the consumer. Stored products are characterised by having relatively low moisture content and include raw and semi-processed foods, animal feedstuffs, and a range of other durable items, including materials such as clothing or museum artefacts.