Essential oils from Betula lenta, Cinnamomum cassia, Citrus aurantium var. Amara and Acorus calamus as biopesticides against cowpea weevil

Brito, R. R. de; Fontes, Lúcia da Silva; Silva, Paulo Henrique Soares da; Santana, Carolina de Sousa; Barbosa, Douglas Rafael e Silva

doi:10.1007/s42690-021-00541-4

Cited by 10 publications

(5 citation statements)

References 18 publications

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“…High mortality with short survival was probably due to the combined effect of contact as well as fumigant effect inside closed scintillating vial. The fumigant and contact effect of the essential oil against S. zeamais adults was tested and described by various researchers [ 12 , 20 , 24 ], where small volume of concentration can cause higher mortality.…”

Section: Discussionmentioning

confidence: 99%

“…We observed that, when exposure period is more, there was a progressive increase in the toxicity of the oils to the test insect showing appreciable mortality of S. zeamais . De Carvalho et al [ 24 ] tested contact effect of essential oil against A. calamus where he found LC 50 of 0.61 μl/20 g of beans. When maize grains were treated with 0.01 % oil and tested against Acorus sp., it significantly reduced the grain loss for 21 days of the treatment [ 21 ].…”

Section: Discussionmentioning

confidence: 99%

“…which are valuable for controlling insect pests [ [17] , [18] , [19] , [20] ]. Among the several phytochemical constituents, the major acting against insect pests are β-asarone and shybunone, which are present in various concentrations [ [21] , [22] , [23] , [24] ]. The major constituents of essential oil of diploid North American A. calamus is shyobunones (13–45 %) while tetra or hexapliody East Asian calamus contains β-Asarone (42.5–78 %) [ [25] , [26] ].…”

Section: Introductionmentioning

confidence: 99%

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Insecticidal toxicity of essential oil of Nepalese Acorus calamus (Acorales:Acoraceae) against Sitophilus zeamais (Coleoptera:Curculionidae)

Aryal,

Poudel,

Kafle

et al. 2023

Heliyon

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Insecticidal toxicity of essential oil of Nepalese Acorus calamus (Acorales:Acoraceae) against Sitophilus zeamais (Coleoptera:Curculionidae)

Aryal,

Poudel,

Kafle

et al. 2023

Heliyon

View full text Add to dashboard Cite

“…This may be attributed to the increase in the concentration of active substances, which also increased their effects on egg hatching. The two-spotted spider mite can be controlled with essential oils which possess odor-producing compounds including monoterpenes, sesquiterpenes, phenols, oxides, esters, aldehydes, and ketones [53]. Plants use these active compounds to protect against various arthropods such as insects and mites [54].…”

Section: Discussionmentioning

confidence: 99%

Acaricidal and Antioxidant Activities of Anise Oil (Pimpinella anisum) and the Oil’s Effect on Protease and Acetylcholinesterase in the Two-Spotted Spider Mite (Tetranychus urticae Koch)

et al. 2022

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The two-spotted spider mite, Tetranychus urticae, also known as the red spider, is one of the most harmful pests in agriculture and causes large losses of many crops. These mites have rapidly developed a resistance to many chemical pesticides in recent years. In this study, the essential oil of seeds of the anise plant (Pimpinella anisum) was extracted by hydrodistillation, and the chemical composition of the oil was analyzed. The antioxidant activity of the volatile oil was determined by the DPPH radical scavenging assay. The acaricidal activity of the anise oil, a natural acaricide, was evaluated for its ability to protect green bean plants from mite injury. The two-spotted spiders were spread on green bean seedlings for 1 week; then, different plants were sprayed with different concentrations of anise oil (10, 20, 30, or 40 µL/L). Our results revealed that anethole was the major component of anise oil, at 53.23%. The acaricidal effect of the various concentrations on T. urticae was recorded after 24, 48, and 72 h of treatment. Our findings suggest that anise oil showed significant acaricidal activity against T. urticae in a dose- and time-dependent manner. Anise oil at a concentration of 40 µL/L killed 96.0% of the red spiders after 72 h. Also, all concentrations of anise oil inhibited acetylcholinesterase, and the spiders’ protease activity declined when the plants were treated with 30 or 40 µL/L of anise oil. The concentrations of 10 and 20 µL/L did not significantly affect the protease activity of T. urticae mites. We can conclude that anise oil exhibited acaricidal activity against T. urticae and that this was highly correlated with the inhibition of acetylcholinesterase and protease activities in the mites.

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“…Despite its high productivity, several obstacles remain, including the intense attack of insect pests, with Callosobruchus maculatus (F). (Coleoptera: Chysomelidae: Bruchinae) being one of the most destructive ones [3][4][5][6]. This insect can attack grains in both the field and during storage [7], causing major losses, such as reduced grain weight, market value, and germination capacity [8].…”

Section: Introductionmentioning

confidence: 99%

Ozonation of Cowpea Grains: Alternative for the Control of Callosobruchus maculatus and Maintenance of Grain Quality

Ramos

Silva

et al. 2023

Agriculture

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Nowadays, the modified atmosphere with ozone is one of the main alternatives for controlling insect pests in stored grains, as it allows grain quality to be maintained while causing no environmental damage. In light of this, the purpose of this study was to assess the toxicity of ozone to C. maculatus in cowpea grains as well as how it affects the physiological and physical properties of the grains. The toxicity was determined by estimating lethal doses (mg/g) at the top and bottom of the fumigation chamber for 50% and 95% of adult insects (LD50 and LD95). Cowpea grain samples were removed after being exposed to ozone, and the effect of ozonation on the physical and physiological quality of the grains was assessed. The electrical conductivity, water content, and germination were all examined in this manner. The lethal doses LD50 were 65.97 and 45.52 mg/g when the insects were distributed at the top and bottom of the fumigation chamber, respectively. As a result, ozone toxicity was higher at the bottom than at the top. The increase in ozone doses resulted in a decrease in water content. The germination rate exceeded 90% in both locations where ozone was applied. The electrical conductivity remained constant, ranging between 152.01 and 239.59 S cm−1 g −1. The findings indicate that ozone is toxic to C. maculatus but has no effect on grain quality. Ozone may therefore be used to manage C. maculatus in cowpea that has been stored.

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Essential oils from Betula lenta, Cinnamomum cassia, Citrus aurantium var. Amara and Acorus calamus as biopesticides against cowpea weevil

Cited by 10 publications

References 18 publications

Insecticidal toxicity of essential oil of Nepalese Acorus calamus (Acorales:Acoraceae) against Sitophilus zeamais (Coleoptera:Curculionidae)

Insecticidal toxicity of essential oil of Nepalese Acorus calamus (Acorales:Acoraceae) against Sitophilus zeamais (Coleoptera:Curculionidae)

Acaricidal and Antioxidant Activities of Anise Oil (Pimpinella anisum) and the Oil’s Effect on Protease and Acetylcholinesterase in the Two-Spotted Spider Mite (Tetranychus urticae Koch)

Ozonation of Cowpea Grains: Alternative for the Control of Callosobruchus maculatus and Maintenance of Grain Quality

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