Ações do laboratório de fitopatologia da EBDA com foco na diagnose de doenças de frutíferas.

A fruticultura atualmente representa um dos mais importantes segmentos da agricultura brasileira, constituindo-se em uma atividade socioeconômica por seu potencial de geração de emprego e renda, principalmente, no âmbito das propriedades familiares. A Bahia se destaca em produtividade e qualidade, visto que ocupa o segundo lugar na produção e exportação de frutas frescas do País

Clínica fitopatológica da EBDA ? identificação de agentes etiológicos de doenças em diversos hospedeiros.

As plantas cultivadas são acometidas por diversas doenças principalmente em agroecossistemas simplificados, podendo causar grandes perdas na produção e prejuízos aos agricultores. Neste sentido, é recomendada a resolução dos problemas relacionados à ocorrência de doenças de plantas, com base, frequentemente, na conservação dos recursos naturais e no aumento da diversidade biológica, de modo a atender a demanda crescente de práticas mais sustentáveis para a agricultura, sem riscos à saúde humana.PDF. 156_11

Neural network and state-space models for studying relationships among soil properties.

O estudo da relação entre as propriedades do solo é de grande importância na área agronômica objetivando um manejo racional dos recursos naturais do meio ambiente e um aumento na produtividade agrícola. Tradicionalmente este estudo tem sido realizado usando modelos de regressão estática os quais não levam em consideração a estrutura espacial envolvida. Este trabalho teve o objetivo de avaliar a relação entre uma variável de determinação mais cara e demorada (por exemplo, nitrogênio total do solo) e outras de mais barata e rápida determinação (p.e., carbono orgânico do solo, pH, etc.). Duas importantes classes de modelos (espaço de estados linear e redes neurais) são usadas para predição e comparadas aos modelos de regressão uni- e multivariados aqui usados como referência. Para tal, em uma área experimental cultivada com aveia, situada em Jaguariúna, SP (22º41? S e 47º00? W), amostras de um solo classificado como Latossolo foram coletadas na camada arável ao longo de uma transeção espacial de 194 m, eqüidistantes de 2 m. Os modelos de rede neural recorrente e de espaço de estados padrão tiveram uma melhor performance preditiva da variável nitrogênio total do solo quando comparados aos modelos de regressão padrão. Entre os modelos de regressão padrão o Autoregressivo Vetorial teve um melhor desempenho preditivo da variável nitrogênio total do solo

Controle da evapotranspiração da cana-de-açúcar irrigada no Semiárido brasileiro.

O objetivo deste trabalho é analisar variação sazonal do controle da cana-de-açúcar ao processo de evapotranspiração sob as condições climáticas do Semiárido brasileiro. O experimento foi realizado no município de Juazeiro, Bahia. A evapotranspiração da cultura foi quantificada por meio do método do balanço de energia com base na razão de Bowen. Para analisar o controle da cana-de-açúcar ao processo de evapotranspiração foi utilizado o fator de desacoplamento. Para o ciclo, os valores de Ω foram, em média, iguais a 0,68, demonstrando um desacoplamento moderado. Observou-se pouca alteração no valor médio final, sendo igual a 0,69, quando se retirou o efeito do tombamento da cultura. Estes resultados indicam que, o sistema clima induziu ao maior controle da cana-de-açúcar no processo de troca de vapor d?água com a atmosfera

Influence Of Family Environment On Children's Oral Health: A Systematic Review

Objective: To review current models and scientific evidence on the influence of parents' oral health behaviors on their children's dental caries. Sources: MEDLINE articles published between 1980 and June, 2012. Original research articles on parents' oral health behavior were reviewed. A total of 218 citations were retrieved, and 13 articles were included in the analysis. The studies were eligible for review if they matched the following inclusion criteria: (1) they evaluated a possible association between dental caries and parents' oral-health-related behaviors, and (2) the study methodology included oral clinical examination. The main search terms were "oral health", "parental attitudes", "parental knowledge", and "dental caries". Summary of the findings: 13 experimental studies contributed data to the synthesis. Original articles, reviews, and chapters in textbooks were also considered. Conclusion: Parents' dental health habits influence their children's oral health. Oral health education programs aimed at preventive actions are needed to provide children not only with adequate oral health, but better quality of life. Special attention should be given to the entire family, concerning their lifestyle and oral health habits. © 2013 Sociedade Brasileira de Pediatria. Published by Elsevier Editora Ltda. All rights reserved.892116123Mattila, M.L., Rautava, P., Ojanlatva, A., Paunio, P., Hyssälä, L., Helenius, H., Will the role of family influence dental caries among seven-year-old children? 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