Using nanoemulsions of the essential oils of a selection of medicinal plants from Jazan, Saudi Arabia, as a green larvicidal against Culex pipiens

Mahran, Hesham A.

doi:10.1371/journal.pone.0267150

Cited by 11 publications

(9 citation statements)

References 42 publications

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“…The spraying of insecticide indoors accounted for 60% of insecticide usage in vector control. The issues of resistance in adult vectors have diverted attention towards the use of growth regulators, bacterial and plant extracts in the control of immature stages of mosquitoes in their breeding habitats (Mahran 2022). Oil film made by the oil extracts of Azadirachta indica and many other plants was successful in killing immature stages of Anopheles, Culex, and Aedes mosquitoes (Ayinde et al 2020).…”

Section: Introductionmentioning

confidence: 99%

Bio-Efficacy of Grounded Sesamum Radiatum and Psoralea Corylitolia on Emergence of Anopheles Gambiae and Culex Quinquefasciatus

Ojianwuna¹

2022

Agrobiol. Rec.

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Mosquito larvae are highly distributed species in tropical regions where breeding sites are diverse and causing a number of public health diseases, when they emerge. This study tested the efficacy of two grounded insecticidal plant powders against the emergence of Anopheles and Culex species. Larvae of mosquitoes were collected using 350mL deep ladles and scooping spoon from Ethiope East LGA, Delta State, Nigeria. The mosquito larvae were exposed to 0.5, 1.0, and 1.5g of Psoralea corylitolia and Sesamum radiatum in 100mL of water. This corresponded to 0.005, 0.01, and 0.015g/mL concentration of experimental set up respectively. Mosquitoes were exposed to these treatments in 20 larvae per concentration in quadruplicates. Mean mortality and time of mortality were recorded. Probit model was used to determine LT50 and LT95. Mortality of larvae increased as concentration and time increased. Highest mortality was recorded in Culex mosquitoes exposed to 1.5g of Psoralea corylitolia and was closely followed by Anopheles mosquitoes exposed to same concentration of Sesamum radiatum. The differences between the mortalities were highly significant (P<0.00001). Emergence depreciated as the concentration increased with high mortality especially with 0.5g of Psoralea corylitolia exposed to Anopheles mosquito larvae. The insecticidal test plants did not determine the sex of mosquitoes and it was not significant (F sex ratio=1.127; P=0.357). Physicochemical parameters supported the mortality of both larvae exposed to Sesamum radiatum from 30 minutes till end of the post experimental exposure. Lethal time for 50% of mosquitoes ranged from 31 to 5858min whereas LT95 ranged from 1435 to 10218min for the two insecticidal test plants respectively. There is need for more study with the trial of oil of Sesamum radiatum and the determination of the gas chromatograph of this novel plant to ascertain the active components.

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Section: Introductionmentioning

confidence: 99%

Bio-Efficacy of Grounded Sesamum Radiatum and Psoralea Corylitolia on Emergence of Anopheles Gambiae and Culex Quinquefasciatus

Ojianwuna¹

2022

Agrobiol. Rec.

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“…While there have been recent advances in the research of micro and nanoemulsions of caraway EO [93] and encapsulation of caraway EO [94][95][96][97], in most cases, the research lacks efficacy tests or comparisons with pure EO under the same testing conditions. Better nanoemulsion performance has been demonstrated in contact insecticide or larvicide testing, most likely due to the better penetration ability of the smaller EO particles in the emulsion [46][47][48][49].…”

Section: Discussionmentioning

confidence: 99%

“…The choice of surfactant affects the formation and performance of the emulsion. The contact toxicity of EO emulsions against various pests has shown higher mortality rates at lower applied doses [46][47][48][49] compared to non-formulated EOs. On the other hand, the fumigant toxicity of emulsions can be lower compared to nonformulated EOs [50,51].…”

Section: Introductionmentioning

confidence: 99%

In Vivo Bioassay of the Repellent Activity of Caraway Essential Oil against Green Peach Aphid

Girardi,

Berķe-Ļubinska,

Mežaka

et al. 2023

Insects

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An in vivo dual choice bioassay with white cabbage as a host plant was used to determine the repellent effect of three different accessions of caraway (Carum carvi L.) essential oils (EOs) against the green peach aphid Myzus persicae (Sulzer). The dominant components of the EO were D-Carvone (47.3–74.4%) and D-limonene (25.2–51.9%), which accounted for 99.2–99.5% of the EOs determined by GC/MS. The EO with the highest D-limonene content (51.9%) showed the highest repellence (Repellency Index (RI) = +41%), which was stable up to 330 min. The incorporation of several surfactants with different hydrophilic-lipophilic balance values (from 12.4 to 16.7) with caraway EO caused a general inhibition of the repellent effect during the testing period (RI from +41% to −19%). Overall, the findings indicate that caraway EO could be used as a green peach aphid repellent, but more work is needed to formulate the EO into a ready-to-use product.

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“…The chemical nature of the component elements in the essential oils influences the size of the particles obtained: when oxygenated monoterpenes and sesquiterpene hydrocarbons predominate in the oil component, smaller particles are obtained [36,40]; at the opposite pole are organosulfur compounds from garlic oil [40], phenylpropanoids and alkane hydrocarbon from clove oil [41].…”

Section: Nanostructured Formulations Of the Essential Oil-advantages ...mentioning

confidence: 99%

“…Nanoemulsification of the essential oils does not always increase the insecticidal effects on the target species. Mahran and collaborators [41] showed that this technique did not improve the performance of clove (Syzygium aromaticum (L.) Merr. & L. M. Perry (Myrtaceae)) and ginger (Zingiber officinalis Roscoe (Zingiberaceae)) oils on the larvae of Culex pipens L. (Diptera: Culicidae).…”

Section: Nanostructured Formulations Of the Essential Oil-advantages ...mentioning

confidence: 99%

An Overview of the Mechanisms of Action and Administration Technologies of the Essential Oils Used as Green Insecticides

Popescu,

Gostin,

Blidar

2024

AgriEngineering

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The need to use environmentally friendly substances in agriculture for pest control has become increasingly urgent in recent years. This was generated by humanity’s awareness of the harmful effects of chemicals with increased persistence, which accumulated in nature and harmed living beings. Essential oils are among the most important biopesticides and could significantly contribute to the expansion of ecological agriculture, replacing traditional methods. However, for judicious use, it is necessary to have a thorough knowledge of the mechanisms by which these oils act on both harmful and useful insects. An important step in transitioning from theory to practice is adapting essential oil application technologies for open fields, overcoming the difficulties created by their high volatility and low remanence, which results in a rapid reduction in the toxic effect. The review proposes an in-depth, up-to-date analysis of the existing literature on these subjects, aiming to provide researchers with some potential future study directions and practitioners with a solid base of information regarding the interaction between insects and essential oils.

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Using nanoemulsions of the essential oils of a selection of medicinal plants from Jazan, Saudi Arabia, as a green larvicidal against Culex pipiens

Cited by 11 publications

References 42 publications

Bio-Efficacy of Grounded Sesamum Radiatum and Psoralea Corylitolia on Emergence of Anopheles Gambiae and Culex Quinquefasciatus

Bio-Efficacy of Grounded Sesamum Radiatum and Psoralea Corylitolia on Emergence of Anopheles Gambiae and Culex Quinquefasciatus

In Vivo Bioassay of the Repellent Activity of Caraway Essential Oil against Green Peach Aphid

An Overview of the Mechanisms of Action and Administration Technologies of the Essential Oils Used as Green Insecticides

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