Efeitos de extratos de plantas na biologia de Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) mantida em dieta artificial

Santiago, Gilberto Pedreira; Pádua, Luiz Evaldo de Moura; Silva, Paulo Roberto Ramalho; Carvalho, Eulália Maria Sousa; Maia, Cláudio Belmino

doi:10.1590/s1413-70542008000300013

Cited by 25 publications

(8 citation statements)

References 11 publications

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“…Hebling 19 , assessed the bioactivity of R. communis on ants and demonstrated its effi cacy in combating Hymenopteran, Burg and Mayer 20 tested the effect of R. communis seed oil on aphids and different species of lice, describing how promising this oil was for the control of these insects. In a study of the effects of aqueous extract from the green fruits of castor on the larvae and pupae of Spodoptera frugiperda, Santiago 21 observed a reduction in the lifetime of these stages, and Rother 22 identifi ed toxic effects of leaf extracts of R. communis on Apis mellifera worker larvae.…”

Section: Discussionmentioning

confidence: 99%

Bioactivity of plant extracts on the larval and pupal stages of Aedes aegypti (Diptera, Culicidea)

Candido

Cavalcanti

Beserra

2013

Rev. Soc. Bras. Med. Trop.

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Introduction: Aedes aegypti is responsible for the transmission of the dengue and yellow fever viruses. This study evaluated the effects of extracts from Cnidosculos phyllacanthus, Ricinus communis, and Coutarea hexandra on the developmental periods of A.aegypti larvae and pupae. Crude extracts of C. phyllacanthus and C. hexandra and oil from R. communis and C. phyllacanthus were used. Methods: Bioassays of the larvicidal and pupicidal effects of these products at different concentrations and times of exposure were evaluated. The lethal and sublethal effects were determined using different concentrations in larvicidal tests. Mortality data were evaluated by Probit analysis to determine the LC 50 and LC 90 values. Results: The vegetable oils from C. phyllacanthus and R. communis demonstrated greater effi ciency for larval control with an LC 50 =0.28µl/mL and an LC 90 =1.48µl/ mL and LC 50 =0.029µl/mL and a LC 90 =0.26µl/mL, respectively. In pupal tests toxic effects for all insects were verifi ed after exposure to the products at signifi cant LC 50 and LC 90 values for 24 and 48h. The effects of sublethal concentrations of C. phyllacanthus (oil) were more effective on the insects. Conclusions: The vegetables oils from C. phyllacanthus and R. communis demonstrated greater potential from the control of different developmental periods in the life cycle of this insect.

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Section: Discussionmentioning

confidence: 99%

Bioactivity of plant extracts on the larval and pupal stages of Aedes aegypti (Diptera, Culicidea)

Candido

Cavalcanti

Beserra

2013

Rev. Soc. Bras. Med. Trop.

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“…Especialmente na segunda safra, por causa das condições climáticas favoráveis e dos restos culturais, este inseto-praga prejudica ainda mais a produção da cultura, com o surgimento de gerações consecutivas e cada vez mais resistentes aos inseticidas utilizados (Santiago et al, 2008).…”

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Tecnologia De Aplicação De Inseticidas No Controle Da Lagarta-Do-Cartucho Na Cultura Do Milho

Tavares

Silva

Alves

et al. 2017

RBMS

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RESUMO -A lagarta-do-cartucho (Spodoptera frugiperda) é uma praga-chave na cultura do milho, e aplicações de inseticidas têm sido necessárias para reduzir a população do inseto. O controle desta praga tem sido difícil porque a lagarta encontra-se comumente protegida no interior do cartucho, o que pode reduzir a deposição e eficácia do inseticida. Portanto, este trabalho objetivou avaliar o efeito de taxas de aplicação, pontas de pulverização e inseticidas no controle de S. frugiperda no milho. O experimento foi conduzido em delineamento em blocos casualizados, em esquema fatorial 2 x 2 x 2 + 1 com quatro repetições. Os fatores foram duas taxas de aplicação (100 e 200 L ha -1 ), duas pontas de pulverização (jato plano com e sem com indução de ar) e dois inseticidas (triflumuron e fenpropatrina). Também se utilizou um tratamento controle correspondente à aplicação de clorpirifós utilizando a ponta jato plano simples na taxa de 200 L ha -1 . As características avaliadas foram espectro de gotas, deposição de calda, eficácia biológica e produtividade da cultura. A taxa de aplicação de 100 L ha -1 produziu maior deposição de calda do que a 200 L ha -1 para ambas as pontas de pulverização e não reduziu a eficácia dos inseticidas. Ambos os inseticidas tiveram eficácias semelhantes no controle da lagarta-do-cartucho aos 10 dias após a aplicação (DAA), embora a eficácia do inseticida fenpropatrina tenha sido maior do que a do triflumuron aos 3 DAA. Palavras-chave: lagarta-do-cartucho, Zea mays, ponta de pulverização, taxa de aplicação, manejo de pragas. INSECTICIDE APPLICATION TECHNOLOGY ON FALL ARMYWORM CONTROL IN CORNABSTRACT -The fall armyworm (Spodoptera frugiperda) is a key pest in corn, and insecticide applications have been needed to reduce the insect population. The fall armyworm has been difficult to control because its larvae is commonly protected in the whorl of corn, which may reduce insecticide deposition and its efficacy. Therefore, this research aimed to evaluate the effects of application rate, nozzle type and insecticide on control of S. frugiperda in corn. Experiment was conducted in a randomized complete block design and a 2 x 2 x 2 + 1 factorial scheme with four replications. The factors were two application rates (100 e 200 L ha -1 ), two hydraulic nozzles (standard and air induction flat-fan) and two insecticides (triflumuron and fenpropathrin). An additional treatment was also included, composed of chlorpyrifos sprayed at 200 L ha -1 using a standard flat-fan nozzle. Parameters of interest were droplet spectrum, spray deposition, biological efficacy and crop yield. A 100 L ha -1 application rate produced greater spray deposition than at 200 L ha -1 for both nozzle types and did not reduce the insecticide efficacy. At 10 days after application (DAA) both insecticides provided similar efficacy on fall armyworm control, although it was greater using fenpropathrin than triflumuron at 3 DAA. Keywords: fall armyworm, Zea mays, spray nozzle, spray volume, pest management. A tecnologia de aplicação, contudo...

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“…Silva et al (2010) have found a reduction in the eggs viability from S. frugiperda larvae fed on artificial diet containing methanolic extract of Piper hispidum at concentrations 0.001, 0.006, 0.03, 0.2 and 1%. Santiago et al (2008), using aqueous extract 10% of Chenopodium ambrosioides and Licania rigida on S. frugiperda, have found lower viability compared to the control treatment, indicating a possible negative effect on insect fertility. According to Costa et al (2004), the viability of eggs and other parameters of fertility and fecundity are important effects of plant extracts on the reproduction of insects, which can be associated with eating disorders due to nutritional deficiency.…”

Section: Resultsmentioning

confidence: 91%

“…Currently, there are several researches involving insecticide plants in the control of S. frugiperda, which show promising results Santiago et al, 2008). By testing various aqueous extracts of Meliaceae on S. frugiperda, Góes et al (2003), revealed the existence of some plants with toxic activity, highlighting, among them Trichilia pallida, in addition to Azadirachta indica extract, which prevents the insect molting, leading them to death.…”

Section: Introductionmentioning

confidence: 99%

Bioactivity of ethanolic extracts of Euphorbia pulcherrima on Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

Almeida¹,

Ramos²,

Saqueti³

et al. 2017

Afr. J. Biotechnol.

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The fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae) is a polyphagous species which attacks many economically important crops in several countries. This insect is an important pest of corn, and currently the most widely used control method is chemical. In order to minimize environmental impacts, other forms of control have been tried, and accordingly, the investigation of plants with insecticidal effects becomes relevant. Thus the present study was conducted in order to evaluate the effect of the ethanolic extract of Euphorbia pulcherrima (poinsettia) leaves in fall armyworm biology. Extracts were prepared from leaves of the plant E. pulcherrima collected at different phenological stages (vegetative and reproductive), oven dried, crushed and then solubilized in ethanol, yielding the ethanol extract. The extracts were set aside in 0.5 and 1% concentrations for each phenological stage of the plant, incorporated into an artificial diet and offered to the larvae of S. frugiperda. The extract of vegetative and reproductive phase of E. pulcherrima leaves in concentrations of 0.5 and 1%, has showed that it affected mortality in the larvae, increasing the larval period and reducing the weight of larvae and pupae and viability of the eggs of the caterpillars. Ethanolic extract of E. pulcherrima leaves in the reproductive phase of the plant is effective to reduce the S. frugiperda population.

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Efeitos de extratos de plantas na biologia de Spodoptera frugiperda (J. E. Smith, 1797) (Lepidoptera: Noctuidae) mantida em dieta artificial

Cited by 25 publications

References 11 publications

Bioactivity of plant extracts on the larval and pupal stages of Aedes aegypti (Diptera, Culicidea)

Bioactivity of plant extracts on the larval and pupal stages of Aedes aegypti (Diptera, Culicidea)

Tecnologia De Aplicação De Inseticidas No Controle Da Lagarta-Do-Cartucho Na Cultura Do Milho

Bioactivity of ethanolic extracts of Euphorbia pulcherrima on Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae)

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