Efficiency of spinetoram on biological, biochemical, and histological parameters in the invasive fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) in Egypt

Salem, Sherehan A. R.; Alhousini, Ebrahim M. E.; Al-Amgad, Zeinab; Mahmoud, Mervat A. B.

doi:10.1007/s41348-023-00835-4

J Plant Dis Prot

2023

DOI: 10.1007/s41348-023-00835-4

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Efficiency of spinetoram on biological, biochemical, and histological parameters in the invasive fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) in Egypt

Sherehan A. R. Salem,

Ebrahim M. E. Alhousini,

Zeinab Al-Amgad

et al.

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2024

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Cited by 2 publications

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Actinomycetes are a natural resource for sustainable pest control and safeguarding agriculture

Diab,

Mead,

Ahmad Khedr

et al. 2024

Arch Microbiol

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Actinomycetes are a natural resource for sustainable pest control and safeguarding agriculture

Diab,

Mead,

Ahmad Khedr

et al. 2024

Arch Microbiol

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Impacts of Sublethal Doses of Spinetoram on the Biological Traits and Detoxifying Enzymes of the Tomato Leaf Miner, Tuta absoluta (Lepidoptera: Gelechiidae)

Jiang,

Qian,

Zhou

et al. 2024

Insects

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Tuta absoluta is a major pest, damaging tomato crops in many countries. Spinetoram, a novel insecticide, is increasingly used for the management of various insect pests. However, limited information is available on its lethal effects on T. absoluta. Therefore, this study was carried out to evaluate the toxicity of spinetoram concentrations in T. absoluta by exposing third-instar larvae to this insecticide through leaf-dipping bioassays under laboratory conditions. The results showed that sublethal spinetoram concentrations (LC10 and LC20) extended the developmental duration of the larval and pupal stage, as well as the oviposition period, and decreased the pupal weight, pupation and eclosion rates, fecundity, sex ratio, and egg-hatching rate compared to the control group. LC10 and LC20 treatments up-regulated the activity of superoxide dismutase and catalase antioxidant enzymes in T. absoluta larvae by 51.14–88.72% and 39.34–87.76% at 12 h, 62.71–96.68% and 37.38–39.92% at 24 h, and 41.78–53.34% and 19.44–48.39% at 48 h, respectively, compared to the control. Conversely, the LC10 and LC20 treatments inhibited the activities of detoxifying enzymes, i.e., carboxylesterase (14.72–34.95%), acetylcholinesterase (9.02–48.86%), glutathione S-transferase (19.40–43.19%), and mixed-function oxidase (18.18–25.93%). These findings indicate that lethal concentrations of spinetoram influence the population dynamics of T. absoluta by reducing their survival and developmental potential and inhibiting the activity of detoxifying enzymes.

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Efficiency of spinetoram on biological, biochemical, and histological parameters in the invasive fall armyworm Spodoptera frugiperda (Lepidoptera: Noctuidae) in Egypt

Cited by 2 publications

References 64 publications

Actinomycetes are a natural resource for sustainable pest control and safeguarding agriculture

Actinomycetes are a natural resource for sustainable pest control and safeguarding agriculture

Impacts of Sublethal Doses of Spinetoram on the Biological Traits and Detoxifying Enzymes of the Tomato Leaf Miner, Tuta absoluta (Lepidoptera: Gelechiidae)

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