Toxic, Repellent, and Deterrent Effects of Citronella Essential Oil on<i>Bemisia tabaci</i>(Hemiptera: Aleyrodidae) on Chili Plants

Saad, Khalid A.; Roff, M. N. Mohamad; Idris, A. B.

doi:10.18474/jes16-32.1

Cited by 18 publications

(14 citation statements)

References 35 publications

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“…Pumnuan and Insung (2016a) demonstrated that lemongrass and citronella grass EOs applied at 3 μg L -1 air caused 100% and 82.5% mortality, respectively, on mushroom mite (Dolichocybe indica) using the fumigation method. In addition, Saad et al (2017) proved that citronella EO had extensive insecticidal properties such as contact toxicity, repellency, and ovipositional deterrence on Bemisia tabaci, causing high mortality when applied at 6.66 μL L -1 air.…”

Section: Resultsmentioning

confidence: 99%

Acaricidal activity of essential oil nanoemulsion against the African red mite (Eutetranychus africanus)

Doungnapa

Pumnuan

Insung

2021

Chil. j. agric. res.

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The African red mite (Eutetranychus africanus [Tucker]) is an important pest species of some economic plants.The objective of the present study was to evaluate the effectiveness of nanoemulsions consisting of citronella grass, lemongrass, clove, and cinnamon essential oils and their main chemical compounds against the African red mite; their toxicity, egg-laying inhibition, and repellent effect on the mite were determined. Essential oil nanoemulsions (nEOs) were prepared by mixing the essential oils with different surfactants and co-surfactants. Approximately 10 to 15 female mites were transferred to treated leaves placed on soaked cotton and kept in a Petri dish. Mite mortality and number of eggs laid were checked after 24 h. As for the repellency test, the selected test consisted of dipping a half leaf into the nEOs, while the other half leaf was dipped in a control (water). The repellency rate was evaluated after 24 h. Results revealed that citronella grass nEOs exhibited a highly toxic effect on the mite and only a 0.6% concentration caused 100% mite mortality. Geraniol, one of the main chemical compounds of citronella grass, represented the highest egg-laying inhibition at a 0.2% concentration with a mean of 0.1 egg compared with 4.7 eggs in the control. Furthermore, nEOs from citronella grass at a 0.1% concentration were extremely repellent against the mite with 95% repellency after 24 h. Therefore, the citronella grass essential oil nanoemulsion is appropriate for use to effectively control the African red mite.

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Section: Resultsmentioning

confidence: 99%

Acaricidal activity of essential oil nanoemulsion against the African red mite (Eutetranychus africanus)

Doungnapa

Pumnuan

Insung

2021

Chil. j. agric. res.

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“…Other authors used both assays discussed in this chapter for the evaluation of EOs. Wu et al [51] presented the potent contact and repellent activity effect of EOs obtained from Zingiber zerumbet (L.) Smith rhizomes on the cigarette beetles (Lasioderma serricorne), whereas Saad et al [52] used citronella EO against the sweet potato whitefly, contributing to the list of pests that could be controlled by the use of EOs.…”

Section: T Castaneum L Bostrychophila S Oryzae S Granarius Rhmentioning

confidence: 99%

The application of essential oils as a next-generation of pesticides: recent developments and future perspectives

Fierăscu

Fierascu

Dinu-Pîrvu

et al. 2019

Zeitschrift Für Naturforschung C

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Abstract The overuse of synthetic pesticide, a consequence of the rush to increase crop production, led to tremendous adverse effects, as they constitute a major pollutant for both soils and water, with a high toxicity towards humans and animals and, at the same time, led to development of pest resistance. In the last period, the researches were directed towards finding new solutions with a lower toxicity, less damaging behaviour towards the environment, and a better specificity of action. In this context, the use of essential oils, a complex and unique mixture of compounds, can be considered for the next-generation pesticides. This review aims to present the main applications of the essential oils as insecticides, herbicides, acaricides, and nematicides, as they emerged from the scientific literature published in the last 5 years (2015 to present). From the identified articles within the time period, only those dealing with essential oils obtained by the authors (not commercially available) were selected to be inserted in the review, characterized using established analytical techniques and employed for the envisaged applications. The review is concluded with a chapter containing the main conclusions of the literature study and the future perspectives, regarding the application of essential oils as next-generation pesticides.

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“…Saad et al [ 54 ] attributed the decrease in B. tabaci oviposition to the volatile compounds found in citronella ( Cymbopogon nardus L.) essential oil, which may have affected the development of the female whitefly, reducing its reproductive capacity. An example of this activity was reported by Rao et al [ 55 ], who found that Dysdercus koenigii nymphs treated with Artemisia annua essential oil showed ovarian development issues, decreasing the number of produced oocytes with a consequent influence on egg production.…”

Section: Resultsmentioning

confidence: 99%

Characterization of Nanospheres Containing Zanthoxylum riedelianum Fruit Essential Oil and Their Insecticidal and Deterrent Activities against Bemisia tabaci (Hemiptera: Aleyrodidae)

et al. 2018

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The aim of our study was to produce and characterize poly-ε-caprolactone (PCL) nanospheres containing essential oils from Zanthoxylum riedelianum fruit and to evaluate their stability gains as well as their insecticidal and deterrent activities against whitefly (Bemisia tabaci). The PCL nanospheres exhibited a homogeneous spherical morphology, with particle diameters between 106.7 nm and 129.2 nm, pH of approximately 6, zeta potential (ZP) lower than −19.0 mV and encapsulation efficiency higher than 98%. Only 43% of the nanoencapsulated essential oil (NSEO) was degraded in response to ultraviolet light, whereas the essential oil (EO) degraded by 76% over the same period. In a free-choice test, the NSEO and EO reduced the number of whitefly eggs by approximately 70%. NSEO and EO at 1.5% killed 82.87% and 91.23% of 2nd-instar nymphs of whitefly, respectively. Although NSEO displayed lower insecticidal activity, it offers a greater advantage over the free EO, due to protection conferred by polymer against photodegradation. Therefore, its usage may optimize the maintenance of essential oils in the field through photoprotection and controlled release. Our results suggest that the EO of Z. riedelianum fruit can be used for B. tabaci management strategy; nevertheless, the benefits of NSEO require further evaluation at the field level.

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Toxic, Repellent, and Deterrent Effects of Citronella Essential Oil onBemisia tabaci(Hemiptera: Aleyrodidae) on Chili Plants

Cited by 18 publications

References 35 publications

Acaricidal activity of essential oil nanoemulsion against the African red mite (Eutetranychus africanus)

Acaricidal activity of essential oil nanoemulsion against the African red mite (Eutetranychus africanus)

The application of essential oils as a next-generation of pesticides: recent developments and future perspectives

Characterization of Nanospheres Containing Zanthoxylum riedelianum Fruit Essential Oil and Their Insecticidal and Deterrent Activities against Bemisia tabaci (Hemiptera: Aleyrodidae)

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