102 resultados para Orchidaceae generalista
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Pós-graduação em Saúde Coletiva - FMB
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Pós-graduação em Ciências Biológicas (Biologia Vegetal) - IBRC
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Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
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Roxana Guadalupe Herrera Alvarez procura discutir nesta obra o processo de criação artística a partir das questões relativas ao conceito de realidade, desenvolvidas pelo pensador suíço Jean Piaget. A autora destoa, porém, da abordagem mais generalista de Howard Gardner - o primeiro a aplicar Piaget nos estudos sobre a criação artística e de quem se declara seguidora neste trabalho. Aqui ela utiliza a função simbólica piagetiana para analisar especificamente a obra do contista e romancista argentino Julio Cortázar (1914-84). Para a pesquisadora, Cortázar é um excelente ancoradouro para essa proposta: o escritor se revela como um criador de mundos, ao romper com os moldes literários clássicos, especialmente do conto, por meio de narrativas que desafiam a linearidade temporal e onde os personagens adquirem autonomia e profundidade psicológica inédita, inclusive negando o mundo como um lugar absoluto, conhecido e seguro. A produção do autor argentino também é fértil em reflexões constantes sobre o ato criador, o que permite à autora estabelecer, por esta via de mão dupla na obra cortazariana, uma relação profícua entre a criação de uma obra artística e os primórdios da consciência do artista que a criou.
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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The Orchidaceae is one of the most numerous and diversified families in the Plant Kingdom. Miltonia flavescens Lindl. is a native orchid to the southern region of Brazil. Studies related to the nutrition and fertilization of orchids are scarce, specific and existent only for few species. The objective of this work was to evaluate the effect of different doses of a slow release fertilizer (Osmocote (R) 9/15/12 + micro) on the development of M. flavescens var. stellata Regel cultivated in pots with pine bark and coconut fiber (1:1, v:v) as the substrate. The treatments consisted of: no fertilizer application (control), application of 2.5 g, 5 g and 10 g of fertilizer per liter of substrate. The experimental design was set in randomized blocks, with five replications and three plants per plot. The experiment was carried out along 25 months and the fertilizer was applied every five months. The evaluated plant parameters were: length of the longest pseudobulb, number of pseudobulbs, diameter of pseudobulbs, number of shoots, number of leaves and flowering. There was a significant increment on all evaluated characteristics with the increase of the fertilizer dose. The highest dose provided a more profuse flowering, with a larger number of flower stems and flowers, in addition to bigger flower stems and flowers. These results show that the supply of nutrients in an appropriate amount is of a great importance for the development and flowering of M. flavescens.
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Pós-graduação em Educação para a Ciência - FC
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Pós-graduação em Biociências - FCLAS
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Dendrobium is a large genus in the family Orchidaceae that exhibits vast diversity in floral characteristics, which is of considerable importance to orchid breeders, biotechnologists and collectors. Native species have high value as a result of their medicinal properties, while their hybrids are important as ornamental commodities, either as cut flowers or potted plants and are thus veritable industrial crops. Thus, preservation of Dendrobium germplasm is valuable for species conservation, breeding programs and the floriculture industry. Cryopreservation represents the only safe, efficient and cost-effective long-term storage option to facilitate the conservation of genetic resources of plant species. This review highlights 16 years of literature related to the preservation of Dendrobium germplasm and comprises the most comprehensive assessment of thorough studies performed to date, which shows reliable and reproducible results. Air-drying, encapsulation-dehydration, encapsulation-vitrification, vitrification and droplet-vitrification are the current cryopreservation methodologies that have been used to cryopreserve Dendrobium germplasm. Mature seeds, pollen, protoplasts, shoot primordia, protocorms and somatic embryos or protocorm-like bodies (PLBs) have been cryopreserved with different levels of success. Encapsulation-vitrification and encapsulation-dehydration are the most used protocol, while PLBs represent the main explant explored.
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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One of the most important strategies for biodiversity conservation is the establishment of protected areas, which protect areas important for the survival of several species. The park “Parque Natural Municipal Cachoeira da Marta”, located in Botucatu, São Paulo, is a unit of strictly protected area and aims to conserve the ecosystems and the biodiversity that exists in the area. The park has a management plan, but this does not include a survey of mammals present in the area, which is relevant as the group has a high degree of threat and a huge ecological importance. Thus, this study aimed to conduct a quick survey of terrestrial mammals of medium and large through the methodology of sand plots, with 25 plots distributed in five areas throughout the park. We recorded 4 orders, 6 families and 9 species (Nasua Nasua, Eira Barbara, Procyon cancrivorous, Leopardus pardalis, Leopardus sp., Dasypus novemcinctus, Tamandua tetradctyla, and Cavia aperea Myrmecophaga tridactyla). Most animals marked are generalist feeding habits, but it was also reported the presence of species more demanding regarding the quality of the habitat
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
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Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
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The present study aimed to survey the medium and large land mammals in three fragments at the Fazenda Experimental Lageado - UNESP/Botucatu, through the method of sand plots. 48 plots were used in total, 16 on each track. The paw prints found were photographed and identified from specific guides. 12 different species of mammals were found, these, 7 were classified at the level of species belonging to 9 families and 6 orders. The most representative order was Carnivora. Most of the species found have a generalist or omnivore habit, which can be related with the degree of the forest fragmentation. The only fragment of natural forest (semideciduous), presented the fewer numbers of species, which can be explained due to its isolation. The other fragment, which has near highway and other large fragment (Fazenda Experimental Edgárdia) was the most representative fragment, demonstrating the importance of nearest fragments to the continuity and survival of medium and large mammals