683 resultados para traça-do-tomateiro
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O ingresso na profissão de professora faz as mulheres ascenderem socialmente, mas não possibilita que adquiram capital cultural, o pilar que sustenta o sucesso da escola. Esta é a conclusão de Eva Poliana Carlindo nesta obra, uma adaptação da tese de mestrado que ela defendeu no programa de pós-graduação da Faculdade de Ciências e Letras da Unesp. O estudo, baseado em conceitos teóricos do sociólogo francês Pierre Bordieu, se deu por meio da análise dos elementos que a autora considera como os mais significativos para se estudar a relação entre formação e atuação docente: experiências sociais e individuais e aquisições acadêmicas e intelectuais. As análises foram feitas a partir das respostas de quatro professoras dos primeiros anos do ensino fundamental de escolas públicas, durante entrevistas nas quais as docentes expõem suas histórias individuais e profissionais, ações e aspirações. Professoras Brasileiras traça um cenário que vem colaborar com as reflexões acerca da complexa tarefa de melhorar a qualidade do ensino básico no Brasil.
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As iniciativas e discussões em torno dos modelos de uma televisão cultural-educativa e/ou pública entre os anos 1960 e 1974 recebem nesta obra, de Eduardo Amando de Barros Filho uma análise histórica, algo raro na bibliografia sobre o tema. O estudo se baseia na trajetória da TV Cultura, de São Paulo, originariamente uma emissora privada ligada ao condomínio Diário e Emissoras Associados, de propriedade do empresário Assis Chateaubriand, e posteriormente adquirida pelo governo paulista. E conclui que as definições e iniciativas voltadas para a criação de uma TV como serviço público, educacional e cultural são limitadas e frágeis no país. O autor explora aspectos que envolveram a criação e o desenvolvimento da TV Cultura, tais como as visões e opiniões de órgãos de imprensa da época, os debates nos campos político e cultural, as ações que permitiram a concessão da emissora privada, a criação da Fundação Padre Anchieta, à qual a Cultura está vinculada, e sua relação com o governo de São Paulo. Dessa forma traça um painel histórico, que excede os limites das análises convencionais sobre meios de comunicação.
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV
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Pós-graduação em Agronomia (Proteção de Plantas) - FCA
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Pós-graduação em Agronomia (Proteção de Plantas) - FCA
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Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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Pós-graduação em Agronomia (Proteção de Plantas) - FCA
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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This paper searches to present Hegel’s understanding of pain and suffering. It was taken as source of investigation Hegel’s Encyclopedia of Philosophical Sciences in which pain and suffering are also considered. The fi rst step was to identify the references of pain and suffering in the original text, i.e., in German and then compared with the Portuguese translation here used. The analysis followed the sequence of Hegel’s text as it mentioned the terms pain and suffering. It can be said that for Hegel pain and suffering are posed by the rational man according to the historical determinations and the relations that are established. So, there is no meaning in pain and suffering themselves but only through the relations that they create and create them as well. Neither the empirical manifestation nor the interpretation can resume the all meaning that pain and suffering may have. The totality of empirical and interpretative approaches reveals the full signifi cance of pain and suffering that can be seen in the human.
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Pós-graduação em Agronomia (Horticultura) - FCA
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Pós-graduação em Agronomia (Entomologia Agrícola) - FCAV
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Bemisia tabaci (Hemiptera: Aleyrodidae) biotype B is one of the most limiting pests of tomato crops in the world. Tomato yield is currently dependent on the use of pesticides, which are problematic to farmers, consumers and the environment. A promising alternative to reduce the harmful effects caused by the indiscriminated use of synthetic insecticides is the use of insecticides of botanical origin. This study aimed to evaluate the effect of 3% (w/v) aqueous extracts from different structures of thirteen botanical species on the behavior of B. tabaci biotype B adults, as well as insecticidal activity of such aqueous extracts on B. tabaci eggs, nymphs, and adults infesting tomato plants. A distilled water solution was used as a negative control, and thiamethoxam insecticide (18 g/100 L of water) as a positive control. Leaf extract of Toona ciliata was observed to have the most efficient inhibitory effect in tests of extracts on whitefly behavior. Furthermore, the use of leaf extract of Toona ciliata led to the most drastic reduction in the number of adults and eggs on tomato leaflets. Leaf extract of Piper aduncum led to the greatest observed ovicidal effect (78.00% of non-hatched nymphs); however it was not effective against nymphs and adults. The leaf extracts of Trichilia pallida, Trichilia casaretti, and Toona ciliata showed the highest control indexes (67.9, 60.3, and 55.1%, respectively). For adults mortality, T. pallida was the most effective (72.8%). Our results indicate that application of extracts of T. pallida, T. ciliata, and T. casaretti are promising strategies to manage B. tabaci biotype B on tomato.
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The gene encoding TCTP (Translationally Controlled Tumour Protein) is present in all eukaryotes and its product is involved in various cellular processes. Although well characterized in mammals, there are only few works available in the literature related to the analysis of this protein in plants. In this present work, the expression of the gene encoding TCTP was analyzed in different organs/tissues of tomato plants (Solanum lycopersicum cv. Santa Clara). A quantification performed by RT-qPCR revealed the presence of TCTP transcript in all tissues/organs analyzed, with the highest expression level found in leaves. With the exception of fruits in intermediate stage of maturation, for which a small increase on the expression was detected, there was minimal variation in the relative expression of TCTP in other organ/tissues. In parallel, the effects of the constitutive expression of TCTP were investigated using transgenic tobacco lines able to overexpress this protein at different levels (T1, T2 and T3). Seedlings of these lines, and of a non-transgenic control line, were grown in MS culture medium for 21 days. At the end of this period, the length of roots and leaves was taken and the seedlings were photographed. According to Tukey's test, the analysis of the mean root length revealed a significant difference between T1 and T3 lines when compared to the control, although the same was not observed for the T2 line. For leaves, according to Kruskal-Wallis test, there was a statistical difference between the averages of leaf growth obtained for the different lines evaluated. According to these results, we can conclude that TCTP shows an ubiquitous expression in tomato plants, with the highest expression detected in leaves, and also that its overexpression promoted a higher root and leaf development in two of three transgenic tobacco lines tested