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1.
Chemical quality and bioactive compounds of sweet potatoes under phosphate fertilization
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Oliveira, Pablo H. de A.
; Oliveira, Anna K. S. de
; Coêlho, Ester dos S.
; Silva, Valécia N. S. e
; Lopes, Welder de A. R.
; Santos, Gisele L. dos
; Ribeiro, João E. da S.
; Silva, Antonio G. C. da
; Santos Júnior, José T. dos
; Barros Júnior, Aurélio P.
; Silveira, Lindomar M. da
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT Sweet potato is among the most important food crops in the world. Due to its high genetic diversity, this species has cultivars that can respond in different ways depending on mineral fertilization. Among the nutrients, phosphorus is related to physiological and biochemical processes that can influence the final quality of the product. This study aimed to assess the influence of P doses on the quality and bioactive compounds of sweet potato cultivars - Paraná, BRS Amélia, and BRS Cuia. The pH, soluble solids (SS), titratable acidity (TA), SS/TA ratio, soluble sugars, and the bioactive compounds - flavonoids, anthocyanins, and carotenoids - were evaluated. The P doses influenced sweet potato cultivars. The dose of 120 kg ha-1 promoted increments in the parameters pH, SS, TA, and SS/TA ratio for the cultivar BRS Cuia. The same dose promoted an increase in total soluble sugars for the cultivar BRS Amélia. P dose of 240 kg ha-1 promoted higher levels of flavonoids and anthocyanins in the cultivar Paraná, and there was an increase in carotenoid content at the dose of 60 kg ha-1.
RESUMO A batata-doce está entre as culturas alimentícias mais importantes do mundo. Por apresentar alta diversidade genética, essa espécie possui cultivares que podem responder de maneiras diferentes em função da adubação mineral. Dentre os nutrientes, o fósforo está relacionado com processos fisiológicos e bioquímicos que podem influenciar na qualidade final do produto. Este estudo teve como objetivo avaliar a influência de doses de P na qualidade e compostos bioativos de cultivares de batata-doce - Paraná, BRS Amélia e BRS Cuia. Foram avaliados o pH, sólidos solúveis (SS), acidez titulável (AT), relação SS/AT, açúcares solúveis e os compostos bioativos - flavonoides, antocianinas e carotenoides. As doses de P influenciaram as cultivares de batata-doce. A dose de 120 kg ha-1 promoveu incrementos nos parâmetros pH, SS, AT e relação SS/AT para a cultivar BRS Cuia. A mesma dose promoveu incrementos nos açúcares solúveis totais para a cultivar BRS Amélia. A dose de 240 kg ha-1 promoveu maiores teores de flavonoides e antocianinas na cultivar Paraná, e houve aumento no teor de carotenoides na dose de 60 kg ha-1.
2.
Morphophysiology and gas exchange of pomegranate under salt stress and foliar application of nitrogen
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Figueiredo, Francisco R. A.
; Fátima, Reynaldo T. de
; Nóbrega, Jackson S.
; Silva, Toshik I. da
; Ferreira, Jean T. A.
; Ribeiro, João E. da S.
; Leal, Márcia P. da S.
; Soares, Lauriane A. dos A.
; Dias, Thiago J.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT Salinity is one of the abiotic stresses that affect gas exchange and growth of pomegranate. In this context, the application of nitrogen fertilizer through the leaves can minimize these effects. Thus, the objective of present study was to evaluate the effect of foliar nitrogen fertilization on pomegranate seedlings irrigated with brackish water. The design used was randomized blocks, in an incomplete factorial scheme (Central Composite Design) with five electrical conductivities of irrigation water - ECw (0.50, 1.15, 2.75, 4.35, and 5.00 dS m-1) and five doses of foliar nitrogen fertilization - FNF (0, 0.33, 1.15, 1.97, and 2.30 g L-1), with four replicates and two plants per experimental plot. Plant height, number of leaves, stem diameter, and gas exchange (stomatal conductance, net photosynthesis, intercellular CO2 concentration, transpiration rate, instantaneous carboxylation efficiency, instantaneous water use efficiency, and intrinsic water use efficiency) were evaluated at 60 days after the beginning of irrigation with saline water. Salinity of irrigation water negatively affects the gas exchange of pomegranate seedlings. Foliar nitrogen fertilization up to 1.31 g L-1 improves plant height and number of leaves in pomegranate seedlings under salt stress. Foliar nitrogen fertilization up to 1.59 g L-1 increases the net photosynthesis of pomegranate seedlings.
RESUMO A salinidade é um dos estresses abióticos que afeta as trocas gasosas e o crescimento de romãzeira. Neste sentido, à aplicação de adubo nitrogenado via foliar poderá minimizar estes efeitos. Com isso, o objetivo do presente estudo foi avaliar o efeito da aplicação foliar com nitrogênio em mudas de romã irrigadas com águas salobra. O delineamento utilizado foi de blocos casualizados, em esquema fatorial incompleto (Composto Central de Box), sendo cinco condutividade elétrica da água - CEa (0,50; 1,15; 2,75; 4,35 e 5,00 dS m-1) e cinco doses de adubação nitrogenada via foliar - ANF (0; 0,33; 1,15; 1,97 e 2,30 g L-1), com quatro repetições. A salinidade da água de irrigação afeta negativamente as trocas gasosas de mudas de romãzeira. A adubação nitrogenada foliar até 1,31 g L-1 melhora o crescimento em altura e no número de folhas em mudas de romãzeira sob estresse salino. Adubação nitrogenada foliar até a dose de 1,59 g L-1 aumenta a fotossíntese das mudas de romãzeira.
3.
Non-destructive method for estimating chrysanthemum leaf area
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Silva, Toshik I. da
; Ribeiro, João E. da S.
; Dias, Marlon G.
; Cruz, Renata R. P.
; Macêdo, Larissa F.
; Nóbrega, Jackson S.
; Sales, Giuliana N. B.
; Santos, Erli P. dos
; Costa, Franciscleudo B. da
; Grossi, José A. S.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT Chrysanthemum (Dendranthema grandiflora) is the second most produced and commercialized ornamental plant in the world. Measuring leaf area through non-destructive methods is fundamental for studies on its growth and production. The estimation of leaf area by linear dimensions of the leaves can be a strategy for this purpose. The objective of this study was to find allometric equations to estimate the leaf area of chrysanthemum. The linear, linear without intercept, quadratic, cubic, power, and exponential regression models were used for the analysis. The choice of equations was based on the highest coefficients of determination. The non-destructive method using allometric models has accuracy for estimating the leaf area (LA) of chrysanthemum from the product between leaf length (L) and leaf width (W). The LA of chrysanthemum can be estimated using the equation ŷ = 0.6611*LW0.9490 (L - leaf length; W - leaf width). This equation will allow researchers and producers to determine leaf area non-destructively.
RESUMO O crisântemo (Dendranthema grandiflora) é a segunda planta ornamental mais produzida e comercializada no mundo. A medição da área foliar por métodos não destrutivos é fundamental para estudos sobre seu crescimento e produção. A estimativa da área foliar por dimensões lineares das folhas pode ser uma estratégia para este fim. O objetivo deste estudo foi encontrar equações alométricas para estimar a área foliar do crisântemo. Os modelos de regressão linear, linear sem intercepto, quadrático, cúbico, potência e exponencial foram utilizados para a análise. A escolha das equações foi baseada nos maiores coeficientes de determinação. O método não destrutivo por meio de modelos alométricos tem acurácia para estimar a área foliar (AF) do crisântemo a partir do produto entre o comprimento da folha (C) e a largura da folha (L). A AF do crisântemo pode ser estimada pela equação ŷ = 0,6611*CL0,9490 (C - comprimento da folha; L - largura da folha). Essa equação permitirá que pesquisadores e produtores determinem a área foliar de forma não destrutiva.
4.
Foliar nitrogen fertilization attenuating harmful effects of salt stress on purple basil
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Nóbrega, Jackson S.
; Silva, Toshik I. da
; Lopes, Adriano S.
; Costa, Raimundo N. M.
; Ribeiro, João E. da S.
; Silva, Edcarlos C. da
; Bezerra, Ana C.
; Silva, Antônio V. da
; Dias, Thiago J.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT Salinity can have detrimental effects on plant development. To minimize this damage, strategies such as balanced maintenance of plants’ nutritional status have been proposed previously. The objective of this study is to investigate whether the optimization of foliar nitrogen fertilization can promote the growth and photochemical efficiency of purple basil subjected to salt stress. The experiment was performed using a randomized block design with an incomplete 5 × 5 factorial arrangement generated through experimental matrix Central Composite Design with two parameters: salinity of irrigation water at 0.5, 0.81, 2.75, 4.69, and 5.50 dS m-1; and nitrogen doses at 0, 58.58, 200, 341.42, and 400 mg L-1. It was found that an increase in the salinity of irrigation water reduced the growth and photochemical efficiency of purple basil. However, the foliar application of nitrogen at the concentration of 400 mg L-1 attenuated the harmful effects of salinity on both the absolute and relative growth rates of stem diameter, the relative growth of plant height, and chlorophyll A fluorescence. These results showed that foliar nitrogen fertilization is a suitable strategy to help mitigate salt stress in basil plants.
RESUMO A salinidade pode promover efeitos danosos ao desenvolvimento vegetal, sendo o necessário o uso de estratégias para minimizar os danos promovidos, como a manutenção equilibrada do estado nutricional da planta. Assim, o objetivo deste estudo foi avaliar o efeito da adubação nitrogenada foliar e da salinidade no crescimento e eficiência fotoquímica de manjericão roxo. O experimento foi conduzido com o delineamento de blocos casualizados, em arranjo fatorial incompleto 5 × 5 (salinidades da água de irrigação: 0,5; 0,81; 2,75; 4,69 e 5,50 dS m-1 × doses de nitrogênio: 0; 58,58; 200; 341,42 e 400 mg L-1), gerados através da matriz experimental Composto Central de Box. O aumento da salinidade da água de irrigação reduz o crescimento e a eficiência fotoquímica das plantas de manjericão roxo. Todavia, a aplicação foliar de 400 mg L-1 de N atenuou os efeitos deletérios da salinidade sobre as taxas de crescimento absoluto e relativo para o diâmetro do caule e relativo para a altura de plantas, assim como na fluorescência da clorofila a. Esses resultados mostram que a adubação foliar nitrogenada é uma estratégia para mitigar o estresse salino em plantas de manjericão.
5.
Abiotic factors and photosynthetically active photon density affect the physiological mechanisms of jaboticaba
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Coêlho, Ester dos S.
; Ribeiro, João E. da S.
; Silva, Elania F. da
; Silva, Toshik I. da
; Oliveira, Pablo H. de A.
; Dias, Thiago J.
; Barros Júnior, Aurélio P.
; Silva, Daniel V.
; Rodriguez, Ronald M.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
ABSTRACT In fruit species, the amount of solar energy absorbed can influence fruit quality; hence, ensuring optimal light distribution management in the canopy of plants is essential. Therefore, the objectives of this study were (i) to analyze the variations in gas exchange through the day and (ii) identify the photosynthetically active photon flux density (PPFD) that promotes higher chlorophyll fluorescence and electron transport rate in jaboticaba seedlings. The experimental design was completely randomized, with treatments consisting of 18 photosynthetic photon flux densities and three evaluations throughout the day. Six replicates were used, with two plants per plot. Gas exchange and chlorophyll a fluorescence in P. peruviana were altered due to fluctuating photosynthetic photon flux density (0; 25; 50; 75; 100; 125; 150; 175; 200; 400; 600; 800; 1,000; 1,200; 1,400; 1,600; 1,800; and 2,000 μmol m-2 s-1) and environmental conditions throughout the day (8:00 a.m., 12:00 and 4:00 p.m.). The higher PPFD (1,384.6 μmol m-2 s-1) and air temperature (39.74 °C) at noon (12:00 p.m.) favored gas exchange in this species. An increase in PPFD of up to 1,000 μmol m-2 s-1 positively influenced the gas exchange and chlorophyll a fluorescence of P. peruviana.
RESUMO Em espécies fruteiras, é essencial considerar o gerenciamento da distribuição da luz nas copas das plantas, pois a quantidade de energia solar absorvida pode influenciar na qualidade dos frutos. Diante disso, os objetivos deste estudo foram: (i) analisar as variações das trocas gasosas ao longo do dia; (ii) identificar a densidade de fluxo de fótons fotossinteticamente ativos (PPFD) que promove maior fluorescência da clorofila e maior taxa de transporte de elétrons em mudas de jaboticaba. O delineamento experimental foi inteiramente casualizado, sendo os tratamentos compostos por 18 densidades de fluxo de fótons fotossinteticamente ativos (0; 25; 50; 75; 100; 125; 150; 175; 200; 400; 600; 800; 1.000; 1.200; 1.400; 1.600; 1.800 e 2.000 μmol m-2 s-1) e três horários de avaliação ao longo do dia (08:00, 12:00 e 16:00 h). Foram utilizadas seis repetições, considerando duas plantas por parcela útil. Trocas gasosas e fluorescência da clorofila a de P. peruviana foram alterados em virtude da PPFD e das condições ambientais ao longo do dia. A alta PPFD (1.384,6 μmol m-2 s-1) e temperatura do ar (39,74 °C) no horário de 12 horas favoreceu as trocas gasosas dessa espécie. O aumento da PPFD até 1.000 µmol m-2 s-1 influenciou positivamente as trocas gasosas e fluorescência da clorofila a de P. peruviana.
6.
Nondestructive method for estimating the leaf area of sapodilla from linear leaf dimensions
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Ribeiro, João E. da S.
; Coêlho, Ester dos S.
; Pessoa, Ângela M. dos S.
; Oliveira, Anna K. S. de
; Oliveira, Agda M. F. de
; Barros Júnior, Aurélio P.
; Mendonça, Vander
; Nunes, Glauber H. de S.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
RESUMO A área foliar é um parâmetro de fundamental importância para estudos relacionados ao crescimento e fisiologia vegetal. O objetivo do trabalho foi construir equações alométricas que permitam estimar com precisão e rapidez a área foliar do sapotizeiro. Foram coletadas 250 folhas de diferentes formas e tamanhos em árvores matrizes de sapotizeiro localizadas na Universidade Federal Rural do Semi-Árido, Mossoró-RN, Brazil. Em cada folha, foi mensurado o comprimento, largura, produto entre comprimento e largura (LW), produto entre comprimento e comprimento, produto entre largura e largura, e área foliar. Modelos lineares e não lineares foram utilizados para construção das equações alométricas. As melhores equações foram escolhidas com base nos seguintes critérios: maior coeficiente de determinação, coeficiente de correlação linear de Pearson e índice de concordância de Willmott, e menor critério de informação de Akaike e raiz do quadrado médio do erro. Diante disso, verificou-se que os modelos que utilizaram o produto entre comprimento e largura apresentaram os melhores critérios para estimar a área foliar do sapotizeiro. Buscando reduzir o tempo das análises e maior precisão dos dados, as equações ŷ = 0.664 × LW1.018 e ŷ = 0.713 × LW e utilizando LW são as mais indicadas para estimar a área foliar do sapotizeiro.
ABSTRACT The leaf area is a parameter of fundamental importance in studies on plant growth and physiology. The objective of this study was to build allometric equations for the accurate and fast estimation of sapodilla leaf areas. In total, 250 leaves of different shapes and sizes were collected from sapodilla matrices trees growing at the Universidade Federal Rural do Semi-Árido, Mossoró-RN, Brazil. For each leaf, the length, width, product of length and width (LW), product of length and length, product of width and width, and leaf area were measured. Linear and nonlinear models were used to construct the allometric equations. The best equations were chosen on the basis of the following criteria: the highest coefficient of determination, Pearson’s linear correlation coefficient, and Willmott’s index of agreement; and the lowest Akaike information criterion and root mean square error. It was verified that the models that used the LW value presented the best criteria for estimating the leaf area. Specifically, the equations ŷ = 0.664 × LW1.018 and ŷ = 0.713 × LW, which use LW values, are the most suitable for estimating the leaf area of sapodilla quickly and accurately.
7.
Leaf area estimation of Congea tomentosa using a non-destructive method
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Dias, Marlon G.
; Mela, Débora
; Silva, Toshik I. da
; Ribeiro, João E. da S.
; Grossi, José A. S.
; Zuin, Affonso H. L.
; Martinez, Andressa C. P.
; Barbosa, José G.
.
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Revista Brasileira de Engenharia Agrícola e Ambiental
- Métricas do periódico
RESUMO Congea tomentosa é uma trepadeira indicada para cobertura de mandris, grades e cercas. A determinação da área foliar é útil para entender a relação planta-ambiente e facilitar estudos agronômicos sobre transpiração, necessidade de água, interceptação de luz e atividade fotossintética. O objetivo deste estudo foi obter uma equação alométrica para estimar a área foliar de C. tomentosa através da medição das dimensões foliares. As análises foram realizadas em 200 folhas de diferentes formas e tamanhos de 10 plantas adultas escolhidas aleatoriamente cultivadas em condições de campo. O comprimento da folha, a largura da folha, o produto do comprimento pela largura e a área foliar foram determinados. Modelos de regressão linear, linear sem intercepto, quadrático, cúbico, potência e exponencial foram utilizados para estimar a área foliar. O coeficiente de determinação, índice de concordância de Willmott, critério de informação de Akaike, raiz do quadrado médio do erro e índice BIAS foram usados para determinar o melhor modelo. A área foliar de C. tomentosa pode ser satisfatoriamente estimada por meio de um método não destrutivo que utiliza medidas de dimensões foliares. A equação ŷ = 0,63 × LW (Folha: L = comprimento, W = largura) estima a área foliar de C. tomentosa de forma prática e rápida, com 99,15% de precisão. A estimativa da área foliar de C. tomentosa utilizando modelos estatísticos é menos dispendiosa e de fácil acesso aos pesquisadores e produtores desta planta.
ABSTRACT Congea tomentosa is a climbing plant suitable for covering arbors, railings, and fences. Leaf area determination is useful in understanding the plant-environment relationship and facilitating agronomic studies on transpiration, water requirement, light interception, and photosynthetic activity. The objective of this study was to obtain an allometric equation to estimate the leaf area of C. tomentosa by measuring the leaf dimensions. Analyses were performed on 200 leaves of different shapes and sizes from 10 randomly chosen adult plants grown under field conditions. The leaf length, leaf width, product length and width, and leaf area were determined. Linear, linear without intercept, quadratic, cubic, power, and exponential regression models were used to estimate the leaf area. The coefficient of determination, Willmott’s concordance index, Akaike information criterion, root mean square error and BIAS index were used to determine the best model. The leaf area of C. tomentosa can be satisfactorily estimated using a non-destructive method that uses measurements of leaf dimensions. The equation ŷ = 0.63 × LW (Leaf: L = length, W = width) estimates the leaf area of C. tomentosa in a practical and fast way, with 99.15% of precision. Estimation of the leaf area of C. tomentosa using statistical models is less expensive and easily accessible to researchers and producers of this plant.
8.
Scaffold based on castor oil as an osteoconductive matrix in bone repair: biocompatibility analysis
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Lima, Fabianne Soares
; Matos, Luis Felipe
; Pacheco, Isnayra Kerolaynne
; Reis, Fernando
; Câmara, João Victor Frazão
; Pierote, Josué Junior Araujo
; Matos, José Milton
; Ribeiro, Alessandra
; Moura, Walter
; Fialho, Ana Cristina
.
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Abstract To analyze the biocompatibility of the scaffold produced from a natural polymer derived from castor oil through hemolytic activity and antimicrobial activity, to enable the clinical application. Three in vitro tests were performed: Hemolytic activity test - Polymer partially dissolved in contact with blood agar; Hemolytic activity test in sheep's blood - Polymer extract with red blood cells solution; Antimicrobial activity test - Solid polymer in direct contact with E. Coli and S. Aureus. For hemolytic tests, none of the samples showed hemolysis. Negative hemolytic activity is a good indicator, as the maintenance of the blood clot in the area of the lesion is essential for the formation of new tissue. For the antimicrobial activity test, no significant activity was observed against the bacteria used. The polymer is not toxic to red blood cells, being viable for clinical application as a matrix for tissue regeneration.
9.
Vitamin E and organic selenium for broilers from 22 to 42 days old: performance and carcass traits
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ALBUQUERQUE, DANIEL M.N.
; LOPES, JOÃO B.
; FERRAZ, MAÍRA S.
; RIBEIRO, MABELL N.
; SILVA, SANDRA R.G.
; COSTA, ELVÂNIA M.S.
; LIMA, DANIELA C.P.
; FERREIRA, JEFFERSON D.M.
; GOMES, PEDRO E.B.
; LOPES, JACKELLINE C.O.
.
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Anais da Academia Brasileira de Ciências
- Métricas do periódico
ABSTRACT This study was conducted to evaluate the effect of vitamin E and selenium on performance, viability, productive efficiency, and yields of carcass, major cuts, and organs of broilers from 22 to 42 days submitted to cyclic-heat stress. The experimental design was randomized blocks, in a 2 × 3 factorial arrangement with two levels of selenium (0.1 and 0.3 mg/kg) and three levels of vitamin E (300, 400, and 500 mg/kg), plus a control treatment. Animals were submitted to a natural condition of high cyclic temperature. Organic selenium levels of 0.1 and 0.3 mg/kg associated with 300, 400, and 500 mg/kg of vitamin E were tested. The level of vitamin E did not affect the performance or production efficiency of broilers in the period from 22 to 33 days and 22 to 42 days. However, the selenium inclusion level of 0.3 mg/kg improved the viability in both phases. The yields of carcass, major cuts, intestine, and heart were not influenced by the levels of selenium and vitamin E, whereas abdominal fat for the selenium level 0.1 mg/kg decreased linearly with the inclusion in vitamin E.
https://doi.org/10.1590/0001-3765201720150709
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10.
Synthesis, Characterization and Dielectric Properties of New 5-(4-Hydroxyphenyl)- 10,15,20-tri-4-[2-(3-pentadecylphenoxy)ethoxy]phenyl porphyrin and Their Ni, Co and Cu Complexes
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Mota, João P. F.
; Costa Júnior, Antônio E. da
; Ribeiro, Viviane G. P.
; Sampaio, Samuel G.
; Lima, Nayane M. A.
; Silva, Fernando L. F. da
; Clemente, Claudenilson S.
; Mele, Giuseppe
; Lomonaco, Diego
; Mazzetto, Selma E.
.
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Journal of the Brazilian Chemical Society
- Métricas do periódico
New asymmetric cardanol-based porphyrins, free-base and coordinated with Ni, Co and Cu, were synthesized and completely characterized as A3B type. Such porphyrins were obtained aiming improved solubility in polar solvents due insertion of an -OH phenolic group. Their thermal and dielectric properties were also evaluated. Changes in the synthetic route reduced the reaction time and improved the yields of the aldehyde precursor obtainment. Electronic absorption spectra of the new porphyrins in CH2Cl2, EtOH and acetone, indicated a decrease in the ε (molar absorptivity) values with increasing solvent polarity, except for the nickel complex which, in acetone, showed a slight increase of 2% in the ε value. The dielectric measurements showed that the conductivity (σ) and the loss tangent (tan δ) increased with frequency, but the permittivity (ε') decreased. The results showed that the coordination of the porphyrin promoted a significant change in thermal and dielectric properties, specially for to the Ni-complex compound, which presented the best dielectric properties with interesting values of permittivity and loss tangent at 100 MHz (19.46 and 0.011 a.u., respectively).
https://doi.org/10.21577/0103-5053.20160261
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11.
Antiprotozoal Activity of the Cyclopalladated Complexes Against Leishmania amazonensis and Trypanosoma cruzi
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Velásquez, Angela M. A.
; Souza, Rodrigo A. de
; Passalacqua, Thaís G.
; Ribeiro, Aline R.
; Scontri, Mateus
; Chin, Chung M.
; Almeida, Leticia de
; Cistia, Mayara L. Del
; Rosa, João A. da
; Mauro, Antonio E.
; Graminha, Marcia A. S.
.
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Journal of the Brazilian Chemical Society
- Métricas do periódico
The present study describes the antiprotozoal activities of four cyclopalladated compounds, [Pd(dmba)(μ-Cl)]2, [Pd(dmba)(NCO)(isn)], [Pd(dmba)(N3)(isn)] and [Pd(dmba)(μ-NCO)]2, (dmba: N,N'-dimethylbenzylamine and isn: isonicotinamide), against the diseases leishmaniasis (Leishmania amazonensis and Leishmania infantum), Chagas disease (Trypanosoma cruzi) and human African trypanosomiasis (Trypanosoma brucei). [Pd(dmba)(μ-NCO)]2 exhibited good leishmanicidal and trypanocidal activities against L. amazonensis and T. cruzi intracellular amastigote forms, with a 50% inhibitory concentration (IC50) value of less than 9 µM and selectivity indexes of 14.47 and 28.42, respectively. Stability essays were conducted in phosphate buffer saline (PBS) pH 7.0 and showed that [Pd(dmba)(μ-NCO)]2 is the most stable molecule. These findings indicate that this compound presented higher selectivity for these parasites than the other tested compounds. The data presented here suggest that this compound should be considered in the development of new and more potent drugs for the treatment of leishmaniasis and Chagas disease.
https://doi.org/10.5935/0103-5053.20150360
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12.
Growing knowledge: an overview of Seed Plant diversity in Brazil
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Zappi, Daniela C.
; Filardi, Fabiana L. Ranzato
; Leitman, Paula
; Souza, Vinícius C.
; Walter, Bruno M.T.
; Pirani, José R.
; Morim, Marli P.
; Queiroz, Luciano P.
; Cavalcanti, Taciana B.
; Mansano, Vidal F.
; Forzza, Rafaela C.
; Abreu, Maria C.
; Acevedo-Rodríguez, Pedro
; Agra, Maria F.
; Almeida Jr., Eduardo B.
; Almeida, Gracineide S.S.
; Almeida, Rafael F.
; Alves, Flávio M.
; Alves, Marccus
; Alves-Araujo, Anderson
; Amaral, Maria C.E.
; Amorim, André M.
; Amorim, Bruno
; Andrade, Ivanilza M.
; Andreata, Regina H.P.
; Andrino, Caroline O.
; Anunciação, Elisete A.
; Aona, Lidyanne Y.S.
; Aranguren, Yani
; Aranha Filho, João L.M.
; Araújo, Andrea O.
; Araújo, Ariclenes A.M.
; Araújo, Diogo
; Arbo, María M.
; Assis, Leandro
; Assis, Marta C.
; Assunção, Vivian A.
; Athiê-Souza, Sarah M.
; Azevedo, Cecilia O.
; Baitello, João B.
; Barberena, Felipe F.V.A.
; Barbosa, Maria R.V.
; Barros, Fábio
; Barros, Lucas A.V.
; Barros, Michel J.F.
; Baumgratz, José F.A.
; Bernacci, Luis C.
; Berry, Paul E.
; Bigio, Narcísio C.
; Biral, Leonardo
; Bittrich, Volker
; Borges, Rafael A.X.
; Bortoluzzi, Roseli L.C.
; Bove, Cláudia P.
; Bovini, Massimo G.
; Braga, João M.A.
; Braz, Denise M.
; Bringel Jr., João B.A.
; Bruniera, Carla P.
; Buturi, Camila V.
; Cabral, Elza
; Cabral, Fernanda N.
; Caddah, Mayara K.
; Caires, Claudenir S.
; Calazans, Luana S.B.
; Calió, Maria F.
; Camargo, Rodrigo A.
; Campbell, Lisa
; Canto-Dorow, Thais S.
; Carauta, Jorge P.P.
; Cardiel, José M.
; Cardoso, Domingos B.O.S.
; Cardoso, Leandro J.T.
; Carneiro, Camila R.
; Carneiro, Cláudia E.
; Carneiro-Torres, Daniela S.
; Carrijo, Tatiana T.
; Caruzo, Maria B.R.
; Carvalho, Maria L.S.
; Carvalho-Silva, Micheline
; Castello, Ana C.D.
; Cavalheiro, Larissa
; Cervi, Armando C.
; Chacon, Roberta G.
; Chautems, Alain
; Chiavegatto, Berenice
; Chukr, Nádia S.
; Coelho, Alexa A.O.P.
; Coelho, Marcus A.N.
; Coelho, Rubens L.G.
; Cordeiro, Inês
; Cordula, Elizabeth
; Cornejo, Xavier
; Côrtes, Ana L.A.
; Costa, Andrea F.
; Costa, Fabiane N.
; Costa, Jorge A.S.
; Costa, Leila C.
; Costa-e-Silva, Maria B.
; Costa-Lima, James L.
; Cota, Maria R.C.
; Couto, Ricardo S.
; Daly, Douglas C.
; De Stefano, Rodrigo D.
; De Toni, Karen
; Dematteis, Massimiliano
; Dettke, Greta A.
; Di Maio, Fernando R.
; Dórea, Marcos C.
; Duarte, Marília C.
; Dutilh, Julie H.A.
; Dutra, Valquíria F.
; Echternacht, Lívia
; Eggers, Lilian
; Esteves, Gerleni
; Ezcurra, Cecilia
; Falcão Junior, Marcus J.A.
; Feres, Fabíola
; Fernandes, José M.
; Ferreira, D.M.C.
; Ferreira, Fabrício M.
; Ferreira, Gabriel E.
; Ferreira, Priscila P.A.
; Ferreira, Silvana C.
; Ferrucci, Maria S.
; Fiaschi, Pedro
; Filgueiras, Tarciso S.
; Firens, Marcela
; Flores, Andreia S.
; Forero, Enrique
; Forster, Wellington
; Fortuna-Perez, Ana P.
; Fortunato, Reneé H.
; Fraga, Cléudio N.
; França, Flávio
; Francener, Augusto
; Freitas, Joelcio
; Freitas, Maria F.
; Fritsch, Peter W.
; Furtado, Samyra G.
; Gaglioti, André L.
; Garcia, Flávia C.P.
; Germano Filho, Pedro
; Giacomin, Leandro
; Gil, André S.B.
; Giulietti, Ana M.
; A.P.Godoy, Silvana
; Goldenberg, Renato
; Gomes da Costa, Géssica A.
; Gomes, Mário
; Gomes-Klein, Vera L.
; Gonçalves, Eduardo Gomes
; Graham, Shirley
; Groppo, Milton
; Guedes, Juliana S.
; Guimarães, Leonardo R.S.
; Guimarães, Paulo J.F.
; Guimarães, Elsie F.
; Gutierrez, Raul
; Harley, Raymond
; Hassemer, Gustavo
; Hattori, Eric K.O.
; Hefler, Sonia M.
; Heiden, Gustavo
; Henderson, Andrew
; Hensold, Nancy
; Hiepko, Paul
; Holanda, Ana S.S.
; Iganci, João R.V.
; Imig, Daniela C.
; Indriunas, Alexandre
; Jacques, Eliane L.
; Jardim, Jomar G.
; Kamer, Hiltje M.
; Kameyama, Cíntia
; Kinoshita, Luiza S.
; Kirizawa, Mizué
; Klitgaard, Bente B.
; Koch, Ingrid
; Koschnitzke, Cristiana
; Krauss, Nathália P.
; Kriebel, Ricardo
; Kuntz, Juliana
; Larocca, João
; Leal, Eduardo S.
; Lewis, Gwilym P.
; Lima, Carla T.
; Lima, Haroldo C.
; Lima, Itamar B.
; Lima, Laíce F.G.
; Lima, Laura C.P.
; Lima, Leticia R.
; Lima, Luís F.P.
; Lima, Rita B.
; Lírio, Elton J.
; Liro, Renata M.
; Lleras, Eduardo
; Lobão, Adriana
; Loeuille, Benoit
; Lohmann, Lúcia G.
; Loiola, Maria I.B.
; Lombardi, Julio A.
; Longhi-Wagner, Hilda M.
; Lopes, Rosana C.
; Lorencini, Tiago S.
; Louzada, Rafael B.
; Lovo, Juliana
; Lozano, Eduardo D.
; Lucas, Eve
; Ludtke, Raquel
; Luz, Christian L.
; Maas, Paul
; Machado, Anderson F.P.
; Macias, Leila
; Maciel, Jefferson R.
; Magenta, Mara A.G.
; Mamede, Maria C.H.
; Manoel, Evelin A.
; Marchioretto, Maria S.
; Marques, Juliana S.
; Marquete, Nilda
; Marquete, Ronaldo
; Martinelli, Gustavo
; Martins da Silva, Regina C.V.
; Martins, Ângela B.
; Martins, Erika R.
; Martins, Márcio L.L.
; Martins, Milena V.
; Martins, Renata C.
; Matias, Ligia Q.
; Maya-L., Carlos A.
; Mayo, Simon
; Mazine, Fiorella
; Medeiros, Debora
; Medeiros, Erika S.
; Medeiros, Herison
; Medeiros, João D.
; Meireles, José E.
; Mello-Silva, Renato
; Melo, Aline
; Melo, André L.
; Melo, Efigênia
; Melo, José I.M.
; Menezes, Cristine G.
; Menini Neto, Luiz
; Mentz, Lilian A.
; Mezzonato, A.C.
; Michelangeli, Fabián A.
; Milward-de-Azevedo, Michaele A.
; Miotto, Silvia T.S.
; Miranda, Vitor F.O.
; Mondin, Cláudio A.
; Monge, Marcelo
; Monteiro, Daniele
; Monteiro, Raquel F.
; Moraes, Marta D.
; Moraes, Pedro L.R.
; Mori, Scott A.
; Mota, Aline C.
; Mota, Nara F.O.
; Moura, Tania M.
; Mulgura, Maria
; Nakajima, Jimi N.
; Nardy, Camila
; Nascimento Júnior, José E.
; Noblick, Larry
; Nunes, Teonildes S.
; O'Leary, Nataly
; Oliveira, Arline S.
; Oliveira, Caetano T.
; Oliveira, Juliana A.
; Oliveira, Luciana S.D.
; Oliveira, Maria L.A.A.
; Oliveira, Regina C.
; Oliveira, Renata S.
; Oliveira, Reyjane P.
; Paixão-Souza, Bruno
; Parra, Lara R.
; Pasini, Eduardo
; Pastore, José F.B.
; Pastore, Mayara
; Paula-Souza, Juliana
; Pederneiras, Leandro C.
; Peixoto, Ariane L.
; Pelissari, Gisela
; Pellegrini, Marco O.O.
; Pennington, Toby
; Perdiz, Ricardo O.
; Pereira, Anna C.M.
; Pereira, Maria S.
; Pereira, Rodrigo A.S.
; Pessoa, Clenia
; Pessoa, Edlley M.
; Pessoa, Maria C.R.
; Pinto, Luiz J.S.
; Pinto, Rafael B.
; Pontes, Tiago A.
; Prance, Ghillean T.
; Proença, Carolyn
; Profice, Sheila R.
; Pscheidt, Allan C.
; Queiroz, George A.
; Queiroz, Rubens T.
; Quinet, Alexandre
; Rainer, Heimo
; Ramos, Eliana
; Rando, Juliana G.
; Rapini, Alessandro
; Reginato, Marcelo
; Reis, Ilka P.
; Reis, Priscila A.
; Ribeiro, André R.O.
; Ribeiro, José E.L.S.
; Riina, Ricarda
; Ritter, Mara R.
; Rivadavia, Fernando
; Rocha, Antônio E.S.
; Rocha, Maria J.R.
; Rodrigues, Izabella M.C.
; Rodrigues, Karina F.
; Rodrigues, Rodrigo S.
; Rodrigues, Rodrigo S.
; Rodrigues, Vinícius T.
; Rodrigues, William
; Romaniuc Neto, Sérgio
; Romão, Gerson O.
; Romero, Rosana
; Roque, Nádia
; Rosa, Patrícia
; Rossi, Lúcia
; Sá, Cyl F.C.
; Saavedra, Mariana M.
; Saka, Mariana
; Sakuragui, Cássia M.
; Salas, Roberto M.
; Sales, Margareth F.
; Salimena, Fatima R.G.
; Sampaio, Daniela
; Sancho, Gisela
; Sano, Paulo T.
; Santos, Alessandra
; Santos, Élide P.
; Santos, Juliana S.
; Santos, Marianna R.
; Santos-Gonçalves, Ana P.
; Santos-Silva, Fernanda
; São-Mateus, Wallace
; Saraiva, Deisy P.
; Saridakis, Dennis P.
; Sartori, Ângela L.B.
; Scalon, Viviane R.
; Schneider, Ângelo
; Sebastiani, Renata
; Secco, Ricardo S.
; Senna, Luisa
; Senna-Valle, Luci
; Shirasuna, Regina T.
; Silva Filho, Pedro J.S.
; Silva, Anádria S.
; Silva, Christian
; Silva, Genilson A.R.
; Silva, Gisele O.
; Silva, Márcia C.R.
; Silva, Marcos J.
; Silva, Marcos J.
; Silva, Otávio L.M.
; Silva, Rafaela A.P.
; Silva, Saura R.
; Silva, Tania R.S.
; Silva-Gonçalves, Kelly C.
; Silva-Luz, Cíntia L.
; Simão-Bianchini, Rosângela
; Simões, André O.
; Simpson, Beryl
; Siniscalchi, Carolina M.
; Siqueira Filho, José A.
; Siqueira, Carlos E.
; Siqueira, Josafá C.
; Smith, Nathan P.
; Snak, Cristiane
; Soares Neto, Raimundo L.
; Soares, Kelen P.
; Soares, Marcos V.B.
; Soares, Maria L.
; Soares, Polyana N.
; Sobral, Marcos
; Sodré, Rodolfo C.
; Somner, Genise V.
; Sothers, Cynthia A.
; Sousa, Danilo J.L.
; Souza, Elnatan B.
; Souza, Élvia R.
; Souza, Marcelo
; Souza, Maria L.D.R.
; Souza-Buturi, Fátima O.
; Spina, Andréa P.
; Stapf, María N.S.
; Stefano, Marina V.
; Stehmann, João R.
; Steinmann, Victor
; Takeuchi, Cátia
; Taylor, Charlotte M.
; Taylor, Nigel P.
; Teles, Aristônio M.
; Temponi, Lívia G.
; Terra-Araujo, Mário H.
; Thode, Veronica
; Thomas, W.Wayt
; Tissot-Squalli, Mara L.
; Torke, Benjamin M.
; Torres, Roseli B.
; Tozzi, Ana M.G.A.
; Trad, Rafaela J.
; Trevisan, Rafael
; Trovó, Marcelo
; Valls, José F.M.
; Vaz, Angela M.S.F.
; Versieux, Leonardo
; Viana, Pedro L.
; Vianna Filho, Marcelo D.M.
; Vieira, Ana O.S.
; Vieira, Diego D.
; Vignoli-Silva, Márcia
; Vilar, Thaisa
; Vinhos, Franklin
; Wallnöfer, Bruno
; Wanderley, Maria G.L.
; Wasshausen, Dieter
; Watanabe, Maurício T.C.
; Weigend, Maximilian
; Welker, Cassiano A.D.
; Woodgyer, Elizabeth
; Xifreda, Cecilia C.
; Yamamoto, Kikyo
; Zanin, Ana
; Zenni, Rafael D.
; Zickel, Carmem S
.
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Resumo Um levantamento atualizado das plantas com sementes e análises relevantes acerca desta biodiversidade são apresentados. Este trabalho se iniciou em 2010 com a publicação do Catálogo de Plantas e Fungos e, desde então vem sendo atualizado por mais de 430 especialistas trabalhando online. O Brasil abriga atualmente 32.086 espécies nativas de Angiospermas e 23 espécies nativas de Gimnospermas e estes novos dados mostram um aumento de 3% da riqueza em relação a 2010. A Amazônia é o Domínio Fitogeográfico com o maior número de espécies de Gimnospermas, enquanto que a Floresta Atlântica possui a maior riqueza de Angiospermas. Houve um crescimento considerável no número de espécies e nas taxas de endemismo para a maioria dos Domínios (Caatinga, Cerrado, Floresta Atlântica, Pampa e Pantanal), com exceção da Amazônia que apresentou uma diminuição de 2,5% de endemicidade. Entretanto, a maior parte das plantas com sementes que ocorrem no Brasil (57,4%) é endêmica deste território. A proporção de formas de vida varia de acordo com os diferentes Domínios: árvores são mais expressivas na Amazônia e Floresta Atlântica do que nos outros biomas, ervas são dominantes no Pampa e as lianas apresentam riqueza expressiva na Amazônia, Floresta Atlântica e Pantanal. Este trabalho não só quantifica a biodiversidade brasileira, mas também indica as lacunas de conhecimento e o desafio a ser enfrentado para a conservação desta flora.
Abstract An updated inventory of Brazilian seed plants is presented and offers important insights into the country's biodiversity. This work started in 2010, with the publication of the Plants and Fungi Catalogue, and has been updated since by more than 430 specialists working online. Brazil is home to 32,086 native Angiosperms and 23 native Gymnosperms, showing an increase of 3% in its species richness in relation to 2010. The Amazon Rainforest is the richest Brazilian biome for Gymnosperms, while the Atlantic Rainforest is the richest one for Angiosperms. There was a considerable increment in the number of species and endemism rates for biomes, except for the Amazon that showed a decrease of 2.5% of recorded endemics. However, well over half of Brazillian seed plant species (57.4%) is endemic to this territory. The proportion of life-forms varies among different biomes: trees are more expressive in the Amazon and Atlantic Rainforest biomes while herbs predominate in the Pampa, and lianas are more expressive in the Amazon, Atlantic Rainforest, and Pantanal. This compilation serves not only to quantify Brazilian biodiversity, but also to highlight areas where there information is lacking and to provide a framework for the challenge faced in conserving Brazil's unique and diverse flora.
https://doi.org/10.1590/2175-7860201566411
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13.
Tools used for evaluation of Brazilian children's quality of life
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Souza, João Gabriel S.
; Pamponet, Marcela Antunes
; Souza, Tamirys Caroline S.
; Pereira, Alessandra Ribeiro
; Souza, Andrey George S.
; Martins, Andréa Maria E. de B. L.
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OBJETIVO:Realizar uma revisão da literatura sobre instrumentos utilizados na avaliação da qualidade de vida de crianças, validados para o português e para a cultura brasileira.FONTES DE DADOS: Pesquisaram-se artigos científicos nos portais Medline, Lilacs e SciELO, por meio da combinação dos descritores "qualidade de vida", "criança" e "questionários", além de sua versão em inglês.SÍNTESE DOS DADOS: Dentre os instrumentos criados para avaliar a qualidade de vida em crianças e que foram validados para o português e para a cultura brasileira, destacam-se o Autoquestionnaire Qualité de Vie Enfant Imagé (AUQEI), o Child Health Questionnaire - Parent Form 50 (CHQ-PF50), o Pediatric Quality of Life Inventory (PedsQL(tm)) version 4.0 e o Kidscreen-52. Ressalta-se que alguns instrumentos não contemplam todas as idades da infância ou não possuem domínios considerados relevantes atualmente no contexto da infância, como o bullying. Além disso, devido à diversidade cultural do Brasil, podem ser necessárias adaptações dos instrumentos existentes ou validação de outros.CONCLUSÕES: Constata-se a existência de instrumentos validados no Brasil passíveis de serem utilizados para aferir a qualidade de vida de crianças. No entanto, considera-se a necessidade de adaptar ou validar outros instrumentos internacionais para suprirem as deficiências existentes.
OBJECTIVE:To review the available tools to evaluate children's quality of life validated for Brazilian language and culture.DATA SOURCES: Search of scientific articles in Medline, Lilacs and SciELO databases using the combination of descriptors "quality of life", "child" and "questionnaires" in Portuguese and English.DATA SYNTHESIS: Among the tools designed to assess children's quality of life validated for the Brazilian language and culture, the Auto questionnaire Qualité de Vie Enfant Imagé (AUQEI), the Child Health Questionnaire - Parent Form 50 (CHQ-PF50), the Pediatric Quality of Life Inventory (PedsQL(tm))version 4.0 and the Kidscreen-52 are highlighted. Some tools do not include all range of ages and some lack domains that are currently considered relevant in the context of childhood, such as bullying. Moreover, due to the cultural diversity of Brazil, it may be necessary to adapt some instruments or to validate other tools.CONCLUSIONS: There are validated instruments to evaluate children's quality of life in Brazil. However, the validation or the adaptation of other international tools have to be considered in order to overcome current deficiencies
OBJETIVO: Realizar una revisión de la literatura sobre instrumentos utilizados en la evaluación de la calidad de vida de niños, validados para el Portugués y para la cultura brasileña.FUENTES DE DATOS: Se investigaron artículos científicos en los portales Medline, Lilacs y SciELO, utilizando la combinación de descriptores "calidad de vida", "niño" y "cuestionarios", además de su versión en inglés. La búsqueda bibliográfica no se limitó a un periodo específico.SÍNTESIS DE LOS DATOS: Entre los instrumentos creados para evaluar la calidad de vida en niños y que fueron validados para el Portugués y para la cultura brasileña, se destacan el Autoquestionnaire Qualité de Vie Enfant Imagé (AUQEI), el Child Health Questionnaire - Parent Form 50 (CHQ-PF50), el Pediatric Quality of Life Inventory (PedsQL(tm)) version 4.0 y el Kidscreen-52. Se subraya que algunos instrumentos no contemplan todas las edades de la infancia o no poseen dominios considerados relevantes actualmente en el contexto de la infancia, como el bullying. Además, debido a la densidad cultural de Brasil, puede que sean necesarias adaptaciones de los instrumentos existentes o validación de otros.CONCLUSIONES: Se constata la existencia de instrumentos validados en Brasil pasibles de utilizarse para verificar la calidad de vida de niños. Sin embargo, se considera la necesidad de crear o validar otros instrumentos internacionales para suplir las necesidades existentes.
https://doi.org/10.1590/0103-0582201432214313
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14.
Immunogenicity of influenza H1N1 vaccination in mixed connective tissue disease: effect of disease and therapy
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Miossi, Renata
; Fuller, Ricardo
; Moraes, Júlio C. B.
; Ribeiro, Ana Cristina M.
; Saad, Carla G. S.
; Aikawa, Nadia E.
; Miraglia, Joao L.
; Ishida, Maria A.
; Bonfa, Eloisa
; Caleiro, M. Teresa C.
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OBJECTIVE: To assess the potential acute effects regarding the immunogenicity and safety of non-adjuvanted influenza A H1N1/2009 vaccine in patients with mixed connective tissue disease and healthy controls. METHODS: Sixty-nine mixed connective tissue disease patients that were confirmed by Kasukawa's classification criteria and 69 age- and gender-matched controls participated in the study; the participants were vaccinated with the non-adjuvanted influenza A/California/7/2009 (H1N1) virus-like strain. The percentages of seroprotec-tion, seroconversion, geometric mean titer and factor increase in the geometric mean titer were calculated. The patients were clinically evaluated, and blood samples were collected pre- and 21 days post-vaccination to evaluate C-reactive protein, muscle enzymes and autoantibodies. Anti-H1N1 titers were determined using an influenza hemagglutination inhibition assay. ClinicalTrials.gov: NCT01151644. RESULTS: Before vaccination, no difference was observed regarding the seroprotection rates (p = 1.0) and geometric mean titer (p = 0.83) between the patients and controls. After vaccination, seroprotection (75.4% vs. 71%, (p = 0.7), seroconversion (68.1% vs. 65.2%, (p = 1.00) and factor increase in the geometric mean titer (10.0 vs. 8.0, p = 0.40) were similar in the two groups. Further evaluation of seroconversion in patients with and without current or previous history of muscle disease (p = 0.20), skin ulcers (p = 0.48), lupus-like cutaneous disease (p = 0.74), secondary Sjogren syndrome (p = 0.78), scleroderma-pattern in the nailfold capillaroscopy (p = 1.0), lymphopenia #1000/mm³ on two or more occasions (p = 1.0), hypergammaglobulinemia $1.6 g/d (p = 0.60), pulmonary hypertension (p = 1.0) and pulmonary fibrosis (p = 0.80) revealed comparable rates. Seroconversion rates were also similar in patients with and without immunosuppressants. Disease parameters, such as C-reactive protein (p = 0.94), aldolase (p = 0.73), creatine phosphokinase (p = 0.40) and ribonucleoprotein antibody levels (p = 0.98), remained largely unchanged pre and post-vaccination. No severe side effects were reported. CONCLUSIONS: The non-adjuvanted influenza A/H1N1 vaccination immune response in mixed connective tissue disease patients is adequate and does not depend on the disease manifestations and therapy.
https://doi.org/10.6061/CLINICS/2013(02)OA02
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Atividade inseticida de óleos essenciais de Pelargonium graveolens l'Herit e Lippia alba (Mill) N. E. Brown sobre Spodoptera frugiperda (J. E. Smith)
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Niculau, Edenilson dos S.
; Alves, Péricles B.
; Nogueira, Paulo Cesar de L.
; Moraes, Valéria Regina de S.
; Matos, Andréia P.
; Bernardo, Antonio R.
; Volante, Ana C.
; Fernandes, João B.
; Silva, Maria F. G. F. da
; Corrêa, Arlene G.
; Blank, Arie F.
; Silva, Anderson de C.
; Ribeiro, Leandro do P.
.
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Insecticidal activity of essential oils of Pelargonium graveolens, Lippia alba and compounds geraniol, linalool, 1,8-cineole, limonene, carvone, citral and Azamax® were evaluated against Spodoptera frugiperda. Topical application assay showed essential oil of P. graveolens has acute toxicity against Spodoptera frugiperda larvae (third instar) with LD50 1.13 µg/mg per insect and LD90 2.56 µg/mg per insect. Three essential oils of L. alba also exhibited insecticidal activity with LD50 ranging from 1.20 to 1.56 µg/mg per insect and LD90 from 2.60 to 3.75 µg/mg per insect. Geraniol, linalool, carvone and citral caused significant mortality of 30, 90, 84 and 64% respectively, compared to negative control. The bioinsecticide, Azamax®, caused lower mortality than the compounds of the essential oils.
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