Prolonged Repellent Activity of Plant Essential Oils against Dengue Vector, Aedes aegypti

Haris, Abdullah; Azeem, Muhammad; Abbas, Muhammad Ghazanfar; Mumtaz, M.; Mozūratis, Raimondas; Binyameen, Muhammad

doi:10.3390/molecules28031351

Cited by 9 publications

(5 citation statements)

References 46 publications

(54 reference statements)

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“…Similar to the insecticidal activity, Z. officinale extract displayed the strongest repellent effect, deterring S. oryzae to a greater extent than other extracts. This finding supports previous studies reporting the repellent properties of ginger against various insect pests (Edris et al, 2016;Haris et al, 2023). The repellent activity could be attributed to the volatile compounds present in the extract, which S. oryzae finds aversive and avoids.…”

Section: Discussionsupporting

confidence: 91%

Biopesticidal Potential of Indigenous Plant Extracts against Rice Weevil in Stored Wheat

Atta,

Sabir,

Farooq

et al. 2024

Plant Prot.

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Stored products are significantly affected by certain well-known stored grain pests, with Sitophilus oryzae L. (Coleoptera: Curculionidae) being one of the most destructive pests of stored products. It is a primary pest that causes substantial quantitative and qualitative losses. The present study was conducted to investigate the insecticidal efficacy of different plant extracts from four commonly grown plants in Pakistan: ginger (Zingiber officinale), neem (Azadirachta indica), clove (Syzygium aromaticum), and tobacco (Nicotiana tabacum) against S. oryzae infesting stored wheat. Crude extracts from these plants were applied to stored wheat at various dose rates (20, 40, 60, 80 mg). Adults of S. oryzae were introduced to the treated wheat and observed for mortality, repellency, and grain damage. The results of the study indicated that the maximum mortality of S. oryzae (99.17%) was recorded due to the application of crude extract of Z. officinale, while the minimum mortality of S. oryzae (67.50%) was recorded due to the crude extract of N. tabacum at an 80 mg dose rate after a 10-day exposure interval. The maximum grain damage due to S. oryzae (0.19%) was observed in N. tabacum treated crude extract at an 80 mg dose rate, while the minimum grain damage due to S. oryzae (0.04%) was observed in Z. officinale treated crude extract at an 80 mg dose rate. Z. officinale also exhibited the maximum repellent effect on S. oryzae (95.77%). This study concluded that Z. officinale emerged as a potent, readily available biopesticide against S. oryzae, surpassing current alternatives with near-eradication efficacy, minimal grain damage, and a proactive repellent effect, paving the way for sustainable and eco-friendly pest management. Further research is needed to optimize extraction methods, dosage recommendations, and assess long-term effects on grain quality and storage stability.

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Section: Discussionsupporting

confidence: 91%

Biopesticidal Potential of Indigenous Plant Extracts against Rice Weevil in Stored Wheat

Atta,

Sabir,

Farooq

et al. 2024

Plant Prot.

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“…scoparia essential oils was investigated against adult female Ae. aegypti by using the human bait method, as previously described [ 43 ]. One and ten percent solutions of an essential oil prepared in ethanol were used to test the repellency against Ae.…”

Section: Methodsmentioning

confidence: 99%

“…The repellent activity of the extracted A. scoparia essential oils was investigated against adult female Ae. aegypti by using the human bait method, as previously described [43].…”

Section: Mosquito Repellency Bioassaymentioning

confidence: 99%

Chemical Composition of Essential Oils from Natural Populations of Artemisia scoparia Collected at Different Altitudes: Antibacterial, Mosquito Repellent, and Larvicidal Effects

Parveen,

Abbas,

Keefover-Ring

et al. 2024

Molecules

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The current study aimed to evaluate the presence of chemical variations in essential oils (EOs) extracted from Artemisia scoparia growing at different altitudes and to reveal their antibacterial, mosquito larvicidal, and repellent activity. The gas chromatographic–mass spectrometric analysis of A. scoparia EOs revealed that the major compounds were capillene (9.6–31.8%), methyleugenol (0.2–26.6%), β-myrcene (1.9–21.4%), γ-terpinene (1.5–19.4%), trans-β-caryophyllene (0.8–12.4%), and eugenol (0.1–9.1%). The EO of A. scoparia collected from the city of Attock at low elevation was the most active against Staphylococcus aureus, Bacillus subtilis, Escherichia coli, and Pseudomonas aeruginosa bacteria (minimum inhibitory concentration of 156–1250 µg/mL) and showed the best mosquito larvicidal activity (LC50, 55.3 mg/L). The EOs of A. scoparia collected from the high-altitude areas of Abbottabad and Swat were the most repellent for females of Ae. aegypti and exhibited repellency for 120 min and 165 min, respectively. The results of the study reveal that different climatic conditions and altitudes have significant effects on the chemical compositions and the biological activity of essential oils extracted from the same species.

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“…Similarly, a previous study reported that β-caryophyllene and nerolidol showed some repellency towards female Ae. aegypti when tested individually, whereas the combination of β-caryophyllene and nerolidol exhibited an excellent mosquito-repellent activity for an extended period of time [ 20 ]. To our knowledge, very few studies have described the mosquito-repellent activity of the L. camara EO or extracts.…”

Section: Discussionmentioning

confidence: 99%

Chemical Composition, Repellent, and Oviposition Deterrent Potential of Wild Plant Essential Oils against Three Mosquito Species

Abbas,

Azeem,

Bashir

et al. 2024

Molecules

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In this study, the chemical composition, repellent, and oviposition deterrent effects of five plant essential oils (EOs) extracted from Lantana camara (Verbenaceae), Schinus terebinthifolia (Anacardiaceae), Callistemon viminalis (Myrtaceae), Helichrysum odoratissimum (Asteraceae), and Hyptis suaveolens (Lamiaceae) were evaluated against Aedes aegypti, Anopheles gambiae, and Culex quinquefasciatus. When tested at 33.3 µg/cm2, L. camara, S. terebinthifolia, C. viminalis, and H. odoratissimum were effective repellents against Ae. aegypti (89%, 91%, 90%, and 51% repellency, respectively), but they were less repellent against An. gambiae (66%, 86%, 59%, and 49% repellency, respectively). Interestingly, L. camara, S. terebinthifolia, C. viminalis, and H. odoratissimum exhibited 100% repellency against Cx. quinquefasciatus at 33.3 μg/cm2. In time-span bioassays performed at 333 μg/cm2, the EO of L. camara exhibited 100% repellence against Ae. aegypti and An. gambiae for up to 15 min and against Cx. quinquefasciatus for 75 min. The oviposition bioassays revealed that L. camara exhibited the highest activity, showing 85%, 59%, and 89% oviposition deterrence against Ae. aegypti, An. gambiae, and Cx. quinquefasciatus, respectively. The major compounds of L. camara, S. terebinthifolia, and C. viminalis were trans-β-caryophyllene (16.7%), α-pinene (15.5%), and 1,8-cineole (38.1%), respectively. In conclusion, the L. camara and S. terebinthifolia EOs have the potential to be natural mosquito repellents.

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Prolonged Repellent Activity of Plant Essential Oils against Dengue Vector, Aedes aegypti

Cited by 9 publications

References 46 publications

Biopesticidal Potential of Indigenous Plant Extracts against Rice Weevil in Stored Wheat

Biopesticidal Potential of Indigenous Plant Extracts against Rice Weevil in Stored Wheat

Chemical Composition of Essential Oils from Natural Populations of Artemisia scoparia Collected at Different Altitudes: Antibacterial, Mosquito Repellent, and Larvicidal Effects

Chemical Composition, Repellent, and Oviposition Deterrent Potential of Wild Plant Essential Oils against Three Mosquito Species

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