Toxicity of Phenylpropanoids from Alpinia galanga (Zingiberaceae) extracts against Spodoptera exigua Hübner (Lepidoptera: Noctuidae)

Yooboon, Thitaree; Pengsook, Anchulee; Poonsri, Waraporn; Pluempanupat, Wanchai; Bullangpoti, Vasakorn

doi:10.1007/s12600-020-00830-7

Cited by 4 publications

(3 citation statements)

References 32 publications

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“…To evaluate the contact toxicity in our research, we found that the LD 50 for larvae treated with isolated extracts were lower than LD 50 of crude extract. There are several studies indicating that phytochemicals from O. canum (Lamiaceae), O. sanctum (Lamiaceae), Rhinacanthus nasutus (Acanthaceae), Abrus precatorius (Fabaceae), Murraya koenigii (Rutaceae), Curculigo orchioides (Hypoxidaceae), Evolulus alsinoides (Convolvulaceae), Phyllanthus debilis (Phyllanthaceae), Swertia corymbosa (Gentianaceae), Zanthoxylum limonella (Rutaceae), Acorus calamus (Acoraceae), Piper retrofractum (Piperaceae), Hymenoxys robusta (Asteraceae) and Alpinia galanga (Zingiberaceae) had bioefficacy in protecting agricultural products from other Spodoptera species 20–22,58,59 …”

Section: Discussionmentioning

confidence: 99%

“…There are several studies indicating that phytochemicals from O. canum (Lamiaceae), O. sanctum (Lamiaceae), Rhinacanthus nasutus (Acanthaceae), Abrus precatorius (Fabaceae), Murraya koenigii (Rutaceae), Curculigo orchioides (Hypoxidaceae), Evolulus alsinoides (Convolvulaceae), Phyllanthus debilis (Phyllanthaceae), Swertia corymbosa (Gentianaceae), Zanthoxylum limonella (Rutaceae), Acorus calamus (Acoraceae), Piper retrofractum (Piperaceae), Hymenoxys robusta (Asteraceae) and Alpinia galanga (Zingiberaceae) had bioefficacy in protecting agricultural products from other Spodoptera species. [20][21][22]58,59 The effective LD 50 value of camphor, an isolated extract, caused a higher mortality than the crude extract. Similarly, many studies reported that the pure extract, ⊍-thujone from Hyptis marrubioides Epling, linalool and 1,8-cineole from Ocimum basilicum L. had more toxic effects on S. frugiperda larvae.…”

Section: Discussionmentioning

confidence: 99%

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Insecticidal efficacy and possibility of Combretum trifoliatum Vent. (Myrtales: Combretaceae) extracts in controlling Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

Changkeb,

Nobsathian,

Le Goff

et al. 2023

Pest Management Science

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BACKGROUNDThe fall armyworm Spodoptera frugiperda (J.E. Smith), is an important pest of agronomical crops. It is interesting to discover secondary metabolites in plants that are environmentally safer than synthetic pesticides. For this purpose, Combretum trifoliatum crude extract and its isolated compounds were investigated for their insecticidal activities against S. frugiperda.RESULTSThe median lethal dose (LD50) was evaluated in the second‐instar larvae using the topical application method. The isolated compounds, apigenin and camphor, demonstrated a highly toxic effect on larvae at a lower LD50 dose than crude extract. Moreover, when the larvae were exposed to crude extract concentrations, the development to pupa and adult stages was reduced by more than 50%. The ovicidal toxicity was examined using a hand sprayer. The extract concentration 5, 10, and 20 μg/egg significantly decreased the egg hatchability. In addition, crude extract showed a significant difference in inhibiting acetylcholinesterase (AChE) activity while crude extract and camphor showed significant inhibitory effects on carboxylesterase (CE) and glutathione‐S‐transferase (GST) activities.CONCLUSIONThe crude ethanol extract of Combretum trifoliatum was toxic to S. frugiperda in terms of larval mortality, negatively affecting biological parameters, and decreasing egg hatchability. Additionally, the activities of cholinergic and detoxifying enzymes were affected by crude extract and its isolated compounds. These results highlight that Combretum trifoliatum might be efficient as a bioinsecticide to control S. frugiperda. © 2023 Society of Chemical Industry.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Insecticidal efficacy and possibility of Combretum trifoliatum Vent. (Myrtales: Combretaceae) extracts in controlling Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

Changkeb,

Nobsathian,

Le Goff

et al. 2023

Pest Management Science

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“…Secondary metabolites from plants that belong to significant groups of alkaloids, phenolics, sterols, steroids, flavonoids, tannins, anthocyanins, lignins, terpenes, etc., are known to control insect pests in many ways and are predominantly safe compared to chemical pesticides 9,10 . For instance, some recent studies using the crude extracts and isolated compounds obtained from Bauhinia scandens , 11 Alpinia galanga , 12,13 and Piper retrofractum 14 have been reported as very effective against Plutella xylostella , Spodoptera exigua , and Spodoptera litura . Similarly, monoterpenes like thymol, 1,8‐cineole, linalool, pulegone, methyl eugenol, trans ‐anethole, carvacrol, and α ‐terpineol were toxic to insects 7 ; especially thymol has been reported as very effective insecticidal compound against several insect pests 15–18 …”

Section: Introductionmentioning

confidence: 99%

Insecticidal and growth inhibitory effects of some thymol derivatives on the beet armyworm,Spodoptera exigua(Lepidoptera: Noctuidae) and their impact on detoxification enzymes

Pengsook

Tharamak

Keosaeng

et al. 2021

Pest Management Science

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BACKGROUND: Thymol is a known natural product with insecticidal activity against several insect species. A recent study on structural modifications of thymol to thymyl esters and their efficacy against Spodoptera litura suggested that such an approach could develop generalized novel insecticides/insect growth inhibitors and requires further studies to establish the efficacy against lepidopterans.RESULTS: Thymol and structurally modified eight esters were evaluated against beet armyworm, Spodoptera exigua using the topical application. Thymyl butanoate was the most toxic compound with a median lethal dose (LD 50 ) of 2.33 and 1.62 ∼g/larva after 24 and 48 h posttreatment, respectively. All thymyl esters were potentially better than the parent compound thymol, except thymyl dibromoacetate, in their efficacy against Spodoptera exigua. Essentially, there were three levels of activity visà-vis the compounds used, that is, with the LD 50 range of 1.5 to 5.0, 7.0 to 15.0, and > 20 ∼g/larva, respectively. Ovicidal activity and reduction in larval growth were also determined by treating third instars at sub-lethal doses, that is, LD 50 doses of second instars. Thymyl butanoate treated larvae inhibited glutathione S-transferase, carboxylesterase, and acetylcholinesterase activities, whereas the other thymyl esters induced these enzymes. CONCLUSION: Thymyl butanoate exhibited higher toxicity against Spodoptera exigua and is the first to report about > 15.5× more toxicity than thymol and > 6.5× than thymyl cinnamate, which suggests that the efficacy was species-specific versus the chemical structural variation of the esters.

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Toxicity of isolated phenolic compounds from Acorus calamus L. to control Spodoptera litura (Lepidoptera: Noctuidae) under laboratory conditions

Wiwattanawanichakun

Saehlee

Yooboon

et al. 2022

Chem. Biol. Technol. Agric.

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Background Spodoptera litura (Lepidoptera: Noctuidae), the tobacco cutworm, is an prominent agricultural pest. To reduce the use of chemical pesticides that cause health problems and that leave residue in the environment, some botanical pesticides have been developed. Our research aimed to evaluate the insecticidal efficacy of Acorus calamus L. extract for the control of S. litura under laboratory conditions. Results After 24 h of topical application, the A. calamus methanolic crude extract showed toxicity against secondary instar S. litura larvae (LD50 ~ 7.438 µg/larva). Chrysin (5,7-dihydroxy flavone), one of the isolated phenolic compounds, showed optimal control efficiency (LD50 ~ 2.752 µg/larva) and showed a reduction in carboxylesterase activities, which have detoxification reduction roles in larvae. Conclusion Chrysin in the crude extract of A. calamus may be an active compound to control this pest, and it may be applied as an alternative to minimize the usage of chemical insecticides. Graphical Abstract

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Toxicity of Phenylpropanoids from Alpinia galanga (Zingiberaceae) extracts against Spodoptera exigua Hübner (Lepidoptera: Noctuidae)

Cited by 4 publications

References 32 publications

Insecticidal efficacy and possibility of Combretum trifoliatum Vent. (Myrtales: Combretaceae) extracts in controlling Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

Insecticidal efficacy and possibility of Combretum trifoliatum Vent. (Myrtales: Combretaceae) extracts in controlling Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

Insecticidal and growth inhibitory effects of some thymol derivatives on the beet armyworm,Spodoptera exigua(Lepidoptera: Noctuidae) and their impact on detoxification enzymes

Toxicity of isolated phenolic compounds from Acorus calamus L. to control Spodoptera litura (Lepidoptera: Noctuidae) under laboratory conditions

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