Toxic effect of biologically active compound Rutin extracted from Euphorbious plant <i>Codiaeum variegatum</i> against mosquito <i>Culex quinquefasciatus</i> (Diptera: Culicidae) larvae

Johnson, Abhay Deep

doi:10.5958/2349-2988.2017.00054.7

Cited by 5 publications

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Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae)

Escobar-Garcia,

Nascimento,

De Melo

et al. 2023

J Plant Dis Prot

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Diamondback moth, Plutella xylostella (Linnaeus) (Lepidoptera: Plutellidae), is a vegetable pest of the genus Brassica worldwide. The development of new, safer bio insecticides with less negative impacts on human health, ora, fauna, and speci c to the target is needed to combat this pest, particularly in smallscale organic agriculture. In this sense, the e ciency of 7 plant species in the form of aqueous botanical extracts was evaluated regarding the bio insecticide effect, using three extraction methods (orbital agitation, decoction, and infusion). There was a difference between the treatments, highlighting the decoction of Couroupita guianensis, which presented the highest e ciency (39%) for second-instar larvae of P. xylostella, followed by infusions of Codiaeum variegatum and Ruta graveolens, both with a 29% e ciency rate. The 3 extraction methods were statistically different, with decoction and orbital agitation presenting the best results.

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Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae)

Escobar-Garcia,

Nascimento,

De Melo

et al. 2023

J Plant Dis Prot

View full text Add to dashboard Cite

show abstract

Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae)

Escobar-Garcia,

Nascimento,

De Melo

et al. 2023

Preprint

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Diamondback moth, Plutella xylostella (Linnaeus) (Lepidoptera: Plutellidae), is a vegetable pest of the genus Brassica worldwide. The development of new, safer bio insecticides with less negative impacts on human health, flora, fauna, and specific to the target is needed to combat this pest, particularly in small-scale organic agriculture. In this sense, the efficiency of 7 plant species in the form of aqueous botanical extracts was evaluated regarding the bio insecticide effect, using three extraction methods (orbital agitation, decoction, and infusion). There was a difference between the treatments, highlighting the decoction of Couroupita guianensis, which presented the highest efficiency (39%) for second-instar larvae of P. xylostella, followed by infusions of Codiaeum variegatum and Ruta graveolens, both with a 29% efficiency rate. The 3 extraction methods were statistically different, with decoction and orbital agitation presenting the best results.

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Histopathology of the Midgut (Longitudinal section) of Aedes aegypti larvae after exposure to kaffir lime leaf extract from Bali, Indonesia

Adrianto,

Rambung,

Silitonga

2024

RJPT

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Various countries have reported the resistance of mosquitoes to synthetic insecticides and larvicides. Scientists take advantage of secondary metabolites from plants and develop them into natural larvicides. Kaffir lime leaves (Citrus hystrix) as a cooking spice is of concern in this study. The main aim of this study was to identify differences in midgut histopathological changes in Ae. aegypti larvae after exposure to C. hystrix leaf extract. This research is experimental research in the laboratory. There are five treatments with three replications. Then, 20 third-instar Ae. aegypti larvae were placed into each plastic container and recorded for 24 hours. Histopathological slices of the larval midgut were produced and stained with hematoxylin and eosin (HE). A light microscope was used to identify it. Data on changes in midgut larvae were analyzed using SPSS. Mortality of the larvae was shown in C. hystrix extract groups at doses of 1,500 and 3,500 ppm. Midgut changes occur in the length of the midgut lumen, the length of the epithelium, and the loss of the epithelial cell nucleus. The cell nuclei were not visible in the extract group at a dose of 3,500 ppm. The statistical test showed that there are differences in midgut histopathological changes in Ae. aegypti larvae after exposure to C. hystrix leaf extract. We need an in-depth study of the potency of the extract C. hystrix as an alternative larvicide against Ae. aegypti for the future.

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Toxic effect of biologically active compound Rutin extracted from Euphorbious plant Codiaeum variegatum against mosquito Culex quinquefasciatus (Diptera: Culicidae) larvae

Cited by 5 publications

References 0 publications

Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae)

Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae)

Aqueous botanical extracts, via different extraction methods, for control of the diamondback moth, Plutella xylostella (Lepidoptera: Plutellidae)

Histopathology of the Midgut (Longitudinal section) of Aedes aegypti larvae after exposure to kaffir lime leaf extract from Bali, Indonesia

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