Nanoformulation prototype of the essential oil of Lippia sidoides and thymol to population management of Sitophilus zeamais (Coleoptera: Curculionidae)

Oliveira, Alexandre Passos; Santana, Alex Fabiano Bertollo; Santana, Emile Dayara Rabelo; Lima, Ana Paula Santana; Faro, Ruan R.N.; Nunes, Rogéria de Souza; Lima, Alyne Dantas; Blank, Arie Fitzgerald; Araújo, Ana Paula Albano; Cristaldo, Paulo F.; Bacci, Leandro

doi:10.1016/j.indcrop.2017.05.046

Cited by 50 publications

(24 citation statements)

References 42 publications

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“…Despite this, other constituents found in this EO, such as isopulegol, citronellol and βpinene were efficient in controlling other pests (LEE et al, 2003;KAUFMAN et al, 2010;GIATROPOULOS et al, 2012). According to OLIVEIRA et al (2017) the target species of the control and the way this target is exposed to EO influence the mortality of individuals. The EO of L. microphylla also provided high mortality rates; however, it was more efficient in topical applications.…”

Section: Discussionmentioning

confidence: 97%

Insecticidal activity of essential oils in controlling fall armyworm, Spodoptera frugiperda

et al. 2019

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Fall armyworm, Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) is one of the main pests in maize crop with developing resistance to chemical products and Bt technology. Therefore, alternative control methods such as essential oils are important steps in the implementation management strategies for this pest. This study aimed to evaluate the efficiency of essential oils (EOs) of Corymbia citriodora, Myrciaria dubia (Myrtaceae), Lippia microphylla (Verbenaceae) and Piper umbelattum (Piperaceae) in controlling S. frugiperda. The OEs were extracted and mortality tests were conducted with topic and volatile applications, in 30 second-instar caterpillars originated from insect rearing and artificial diet. As a control, we conducted tests with distilled water and acetone. EOs that provided mortality rates above 80% were submitted to chemical analysis for constituent identification. The efficient EOs were only those of C. citriodora and L. microphylla. For EO of C. citriodora, the LD80 was 7.06 ± 0.73 mg.g -1 in topical application and 5.85 ± 0.75 μL via volatile application. On the other hand, for EO of L. microphylla, DL80 was 9.95 ± 1.25 mg.g -1 in topical application and 18.56 ± 3.55 μL via volatile application. Chemical analysis showed that the main constituents were citronella for the EO of C. citriodora and (E)-caryophyllene and (E)-nerolidol to the EO of L. microphylla. EOs of C. citriodora and L. microphylla are promising for controlling S. frugiperda, with emphasis on the volatile effect of C. citriodora oil.

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Section: Discussionmentioning

confidence: 97%

Insecticidal activity of essential oils in controlling fall armyworm, Spodoptera frugiperda

et al. 2019

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“…Alike, nanoformulation containing 18% of Lippia sidoides Cham. EO or thymol killed off 50% of Sitophilus zeamais (Motschulsky) adults at concentrations ranging from 1.1 to 3.7 μg/mg [ 57 ]. Another work found that Achillea Arabica Kotschy, A. cretica L. and A. millefolium L [ 19 ].…”

Section: Discussionmentioning

confidence: 99%

Pimpinella anisum Essential Oil Nanoemulsion Toxicity against Tribolium castaneum? Shedding Light on Its Interactions with Aspartate Aminotransferase and Alanine Aminotransferase by Molecular Docking

et al. 2020

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The insecticidal activity is the result of a series of complex interactions between toxic substances as ligands and insect’s enzymes as targets. Actually, synthetic insecticides used in pest control programs are harmful to the environment and may affect non-target organisms; thus, the use of natural products as pest control agents can be very attractive. In the present work, the toxic effect of aniseed (Pimpinella anisum L.) essential oil (EO) and its nanoemulsion (NE) against the red flour beetle Tribolium castaneum, has been evaluated. To assess the EO mode of action, the impact of sub-lethal concentrations of aniseed EO and NE was evaluated on enzymatic and macromolecular parameters of the beetles, including aspartate aminotransferase (AST), alanine aminotransferase (ALT), total protein, total lipids and glucose. Finally, a molecular docking study was conducted to predict the mode of action of the major EO and NE components namely E-anethole, Limonene, alpha-himalachalene, trans-Verbenol and Linalool at binding site of the enzymes AST and ALT. Herein, the binding location of the main compounds in both proteins are discussed suggesting the possible interactions between the considered enzymes and ligands. The obtained results open new horizons to understand the evolution and response of insect-plant compounds interactions and their effect predicted at the molecular levels and side effects of both animal and human.

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“…Their rapid breakdown in the environment, together with low accumulation in the soil organic matter, can help to decrease the degradation of agricultural soils (Ansari et al, 2012;Archana Singh, 2014;Blázquez, 2014;Carrubba and Catalano, 2009;Pavela and Benelli, 2016;Raja, 2013). Botanical pesticides have been shown to provide effective control of different species of agricultural pests, in many cases being more effective than synthetic chemicals, due to their varied mechanisms of action (Sola et al, 2014a,b;Tambwe et al, 2014;Oliveira et al, 2017;Štefanidesová et al, 2017). An important point is that the formulation of new commercial products (using, for example, nanotechnological techniques) could further enhance the performance of these natural compounds, reducing both the dosages required and their toxicity towards nontarget organisms, especially the soil microbiota (Chhipa, 2017;de Oliveira et al, 2014;Mattos et al, 2017;Mossa, 2016).…”

Section: Future Trends In Sustainable Agriculturementioning

confidence: 99%

Use of botanical insecticides for sustainable agriculture: Future perspectives

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et al. 2019

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Recent decades have witnessed major growth in the use of agrochemicals worldwide,for maximizing the food production for a rapidly growing human population. However, the indiscriminate use of these substances especially the pesticides has led to the accumulation of toxic residues in food, soil, air, and water, as well as the development of resistance in pests. Moreover, pesticides affect soil enzymes, which are essential catalysts that govern soil quality. In order to meet the food security, it is necessary to produce more food, sustainably and safely, in a diminishing area of available arable land and with decreased water resources. Given this situation, there is an increased interest in the use of alternative substances to synthetic agrochemicals that present less risk to the environment and human health while increasing the food safety. Promising results have been obtained using compounds derived from aromatic plants for the control of agricultural pests. Such compounds of botanical origin can be highly effective, with multiple mechanisms of action, while at the same time having low toxicity towards nontarget organisms. However, the large-scale application of these substances for pest control is limited by their poor stability and other technological issues. In this backdrop, the present work discusses perspectives for the use of compounds of botanical origin, as well as strategies employing the encapsulation techniques that can contribute to the development of systems for use in sustainable agricultural practices.

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Nanoformulation prototype of the essential oil of Lippia sidoides and thymol to population management of Sitophilus zeamais (Coleoptera: Curculionidae)

Cited by 50 publications

References 42 publications

Insecticidal activity of essential oils in controlling fall armyworm, Spodoptera frugiperda

Insecticidal activity of essential oils in controlling fall armyworm, Spodoptera frugiperda

Pimpinella anisum Essential Oil Nanoemulsion Toxicity against Tribolium castaneum? Shedding Light on Its Interactions with Aspartate Aminotransferase and Alanine Aminotransferase by Molecular Docking

Use of botanical insecticides for sustainable agriculture: Future perspectives

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