Região Metropolitana de Goiânia (RMG)
URI Permanente desta comunidade
Navegar
Navegando Região Metropolitana de Goiânia (RMG) por Por Unidade Acadêmica "Ciências Agrárias"
Agora exibindo 1 - 20 de 195
Resultados por página
Opções de Ordenação
Item Efeito do manejo do solo com plantas de cobertura, cultivares/híbridos e nitrogênio na cultura do milho(Universidade Federal de Goiás, 2008-02-26) AGUIAR, Renata Alves de; SILVEIRA, Pedro Marques da; http://lattes.cnpq.br/4242408931816325The corn is the main cereal produced in Brazil and its productivity is very affected by the improper use of nitrogen, which is the nutrient absorbed in larger quantities and therefore responsible for a significant share in production costs. Due to the importance of nitrogen for the corn crop becomes necessary studies to reduce the amount of nitrogen applied to the crop, reducing losses and increasing the efficiency of its use, beside minimize environmental risks. One way have been studied to reduce the amount of nitrogen applied and increase the efficiency of use of inorganic nitrogen, from the fertilizer, it is the combination of plants that cover the ground with nitrogened fertilizer. The study aimed to determine the economic viability and the effect of soil management with the use of soil cover plants, hybrids and nitrogen doses in coverage in the vegetative and reproductive characteristics, related to productivity of corn. The corn, in the experiment, was planted at begning of February in the field trial of Embrapa Arroz e Feijão, Red Latosol Distrophic. The experimental design was a randomized complete block with three replicates the arrangement of plots in sub-sub-divided. The plots were formed by four types of soil management: direct planting of corn on the black mucuna stubble (Mucuna aterrima Merr.); direct planting of corn on the of crotalária juncea stubble (Crotalaria juncea L.); direct planting of corn on vegetation spontaneous (aside) and planting corn in the system of conventional tillage (arado of aiveca). The subplots were formed by five doses of nitrogen in coverage: 0, 45, 90, 180 and 360 kg ha-1 of nitrogen in coverage, and the sub-sub-plots of four hybrids of corn: BRS 3003, AG 1051, Green Corn HT-1, HT-2 Green Corn. The analysis of the benefit / cost was performed on the basis of prices of materials and services raised in April 2007. The benefit / cost in the various systems was held in the Excel spreadsheets, and economically viable a relationship exceeding 1.0. It was concluded that: there is effect of hybrid and soil management on vegetative characteristics such as plant height and the first spik and on productive characteristics as income from pulp and grain and mass in a thousand grains of corn, and there is no interaction between hybrid, soil management and dose of nitrogen in coverage of the productivity of corn. The best soil management as the benefit / cost is the fallow without any addition of nitrogen in coverage, followed by the system of conventional tillage with 45 kg ha-1 and without the addition of nitrogen.Item Educação ambiental e meio ambiente no contexto de Palmas Capital Ecológica(Universidade Federal de Goiás, 2010-06-14) AIRES, Berenice Feitosa da Costa; BASTOS, Rogério Pereira; http://lattes.cnpq.br/6015137404238990Analyze the representations of the Environment and Environmental Education of teachers and students of basic education Palmas (TO) was the main goal of our investigat ion. The focus of research is centered on representations because we think they reveal the world of the subject and open spaces both for reflection and for action. Through literature review and rescued some forms of environmental education has been practiced and how the environment has been conceived, trying to show how the place and everyday relationships are constructive representations and relevance to the development of formal education, especially by experiments that occurs at the local level, but are not disconnected from global experiences. Thus, the study focuses on the pedagogical practices of teachers in the EA of private education, city and state and graphical representations of students in elementary and secondary education about the environment. For the realization of this theoretical research using sources from different areas of knowledge and empirical research, using the analysis of questionnaires, documents, maps, observations, records, photographs and statistical analysis (Chi-square and Fischer's exact test). From the data collected, the practice of EA was revealed as a variety of representations of students and teachers about the environment. The results offer a view as has been the practice in environmental education in the area surveyed, mainly in relation to the activities of EA developed in basic education. From the elaborate framework of representations and pedagogical practices found and the end of the investigation, it was possible to formulate some guidelines for programs of continuing education of teachers in EA, and some principles for the construction of meaningful practice of EA considering the context of basic education Palmas (TO). It is emphasized that the importance of this research area is to contribute to the reflection on the values that can permeate the environmental education and also by providing assistance, not just getting in dealing conceptual.Item Análise da competitividade potencial da cadeia exportadora de feijões brasileira(Universidade Federal de Goiás, 2012-04-25) ALMEIDA, Paulo Roberto Vieira de; FIGUEIREDO, Reginaldo Santana; http://lattes.cnpq.br/1098394550647665; SOUZA, Eliane Moreira Sá de; http://lattes.cnpq.br/4454182958023791; WANDER, Alcido Elenor; http://lattes.cnpq.br/8250997651281553Beans are an important component in the Brazilian diet and various countries across the globe. In Brazil is grown by farmers in various profiles at different scales, regions and farming systems. Brazil has a problem with self-sufficient in beans, historically presented as a major importer of grain, has a low market share in world exports that occurs far from the fact that these markets consume certain types of beans that Brazil has no tradition of produce, the type that is predominantly produced and consumed in Brazil is common bean. The international market beans can be better explored, but is necessary to organize the national production chain. Because of the importance of beans in the Brazilian domestic market, and low expression in exports, we chose to analyze the potential competitiveness of the export chain of brazilian beans. The competitive analysis contemplated the production sector and the export sector, it was developed through 9 drivers and 48 sub-factors that together indicate how is the condition of potential competitiveness of the chain. The evaluation was conducted from the perspective of key players and use of secondary data. Through the data collected it was found that the bean export chain is not currently so structured as other commodities, the production of exportable grain is still insufficient, there are difficulties in finding producers with production that meets the requirements of foreign markets, there are few producers with high production capacity, we observed the presence of active medium and high specificity and the level of informality in the chain is high. The worst drivers in the production sector were on account of the institutional environment, market relations and conditions of the logistics and storage, already in the export sector the driver institutional environment presented negative condition of competitiveness. The computer simulations performed using the events selected by experts showed that the conditions for improvements in the medium term has a greater positive effect on the export sector than in production sector, the negative effect of tax rates affects more than the production sector while technological improvements have multiple positive effects on other indicators. The results indicate that some drivers link that the profits are more concentrated in the export sector and because of the production costs are higher, the condition of competitiveness in production sector is more negative, nevertheless the general condition of competitiveness of the chain is positive and indicates that is interesting to invest in export of beans, though some interventions should be made to improve the indicators of the production sector.Item A teoria da imprevisão e sua aplicação aos contratos de venda futura de commodities agrícolas no Brasil:possibilidade jurídica e efeitos econômicos(Universidade Federal de Goiás, 2010-12-07) ALVES, André Luiz Aidar; WANDER, Alcido Elenor; http://lattes.cnpq.br/8250997651281553; AGUIAR, Maria do Amparo Albuquerque; http://lattes.cnpq.br/1567037897337008Judicial decisions produce direct effects on the market, by increasing or reducing the costs of economic trades, mainly in a country like Brazil, where the Judiciary is the main arena of solution of conflicts of interests. In this scenario, the Brazilians judges tend to be tolerant with relativizing the effects of laws and contracts, modifying obligation in order to generate equity and practice social justice. One of the main legal mechanisms for the judicial breaches of contracts is the Theory of Frustration. An important legal instrument, which serves to prevent distortions in contractual relations, gains a part at the expense of an excessive burden of the other, the Theory of Frustration is often invoked by producers of agricultural commodities, especially soya, to terminate or resurvey future sales contracts, one of the main mechanisms of funding the Brazilian agribusiness. Occurs that opportunistic breaches of these contracts create instability in the agricultural sector, producing additional costs for production and causing loss of competitiveness.Item Expansão canavieira e seus efeitos na violência em Goianésia(Universidade Federal de Goiás, 2012-08-10) ALVES, Glauco Leão Ferreira; LIMA, Dalva Maria Borges Dias; http://lattes.cnpq.br/5291000127026087; WANDER, Alcido Elenor; http://lattes.cnpq.br/8250997651281553In Goiás, the process of occupation of the territory still happens today. Livestock, rice, corn and soybeans that once moved over the cerrado, gradually transferring go area for cane sugar. The sugarcane expansion was influenced by increased demand for ethanol due to growth in sales of flex-fuel vehicles, especially in the last decade. Thus, there was an increase in cultivated area for sugar cane, showing a change in consumption of energy. The concern from various sectors of society is that in many regions, the sugar cane harvest is still done manually by pruning and many social and environmental problems are arising from this form of management, such as fires and poor working conditions. In Goianésia largest municipality of sugarcane Microregion of Ceres, violence has increased, mainly related to drug use in the years 2009 and 2010. There are reports of drug use to provide more force some workers to cut cane or to provide relief from stress as a result of one day of paid work for productivity.Item Gestão rural: um estudo na Fazenda Parrode(Universidade Federal de Goiás, 2009-10-15) ALVES, Ivan; AGUIAR, Maria do Amparo Albuquerque; http://lattes.cnpq.br/1567037897337008; SOUZA, Eliane Moreira Sá de; http://lattes.cnpq.br/4454182958023791This work has as general objective to identify the control instruments to facilitate the financial administration of the rural unit of denominated production Fazenda Parrode. So that objective was rendered was done necessary the execution of specific objectives that they were applied in the following order: to characterize the process managerial financier of the rural unit of production " Fazenda Parrode "; to identify the relevant financial indicators to the process of managerial control; to develop a balanced scorecard for Fazenda Parrode as focus in the financial perspective. The methodology used in this dissertation was the field and bibliographical research where it was possible to clean the pertinent data to the approached theme, being used as instruments of collection of the data the direct observation, the interview with questionnaire and the questions in relation to the factors observed by the researcher. The results are presented from way to take the reader to an identification of the current situation of the rural unit, demonstrating the financial indicators, the instruments of financial control and the analysis of each area of the administrative administration of the organization and the elaboration of a strategic map that will support decision making.Item Análise da Sustentabilidade Ambiental em Estabelecimentos Agrícolas em Goiás(Universidade Federal de Goiás, 2010-06-18) ALVES, Luiz Batista; MIZIARA, Fausto; http://lattes.cnpq.br/3275079358565458; BASTOS, Rogério Pereira; http://lattes.cnpq.br/6015137404238990In this work are presented and discussed other forms of studies related to analysis of environmental sustainability with the use of methods that permit the human environment to demonstrate its environmental impacts on rural properties in the town of Silvânia, State of Goiás. The choice of the municipality of Silvânia occurred because of present permanent preservation areas susceptible to exploitation by various activities in the city, allowing checking the environmental sustainability in land reform settlements in comparison with other rural property. The Project for Sustainable Development (PDS), established in 1999 comes meet the new brazilian environmental laws, seeking the durability and perpetuity of the settlements (family farm) in order to provide less environmental impact. On the other hand, has been observed that in large farms (agricultural employer) occurs deforestation to expand the area explored, giving rise to a particular crop, in seeking increases in production. Studies have shown the link between deforestation and biodiversity conservation consequences that hinder sustainable development. Still, the methodology of the indices applied to the settlement of São Sebastião da Garganta and João de Deus, the results showed considerable levels of sustainability. Analyzing the settlements in comparison with the Farm Silvânia through satellite images, it appears that the agrarian reform, there were minor differences of deforestation between periods and a greater difference occurred in the Farm Silvânia as favoring extensive livestock farming. But we can not say that the settlements have a higher level of environmental sustainability, where by means of observation of annual averages, there are almost identical proportions of deforestation, and that the settlements, deforestation occurred in a more fragmented than in Farm Silvânia and may cause a greater reduction of species in the environment, reducing the potential for environmental sustainability. Finally, the results may serve as guidance in formulating environmental policy to keep families in agrarian reform settlements, contributing to sustainable development of rural properties in the region, coupled with supervision to allow continuity in the production process in a sustainable manner.Item Distribuição espacial do percevejo-do-colmo (Tibraca limbativentris Stål) em arroz irrigado(Universidade Federal de Goiás, 2012-11-09) ALVES, Tavvs Micael; BARRIGOSSI, José Alexandre Freitas; http://lattes.cnpq.br/5377957113836597The injury imposed by Tibraca limbativentris Stål in plants of rice can negatively affect the production and reduce grain yield. Knowing the spatial arrangement of this species allows fast and accurate sampling and identifies focuses of infestation determining the ideal moment of decision-making for the control. The aim of this study was to investigate the spatial and probabilistic distribution of adults and nymphs of T. limbativentris in irrigated rice. Fifteen fields with plants of 50-80 days after emergency were sampled on approximately regular grids in 2008, 2010, and 2011. Poisson and Negative binomial distributions were tested and Pearson chi-squared test was used to determine a probability distribution with the best fit. Polynomial regressions of the number of individuals versus geographical coordinates were used to try detecting trends related with macroscale. Later, semivariograms were used to interpret the spatial dependence and distribution of insects. The semivariance of the samples obtained with nymphs showed patterns grouped in 13% of fields sampled. Similar pattern was also obtained by semivariograms of adults in 26% of fields sampled. However, there were no spatial dependence in the most of the sampled fields with adults (74%) and nymphs (87%). In conclusion, adults and nymphs of T. limbativentris are randomly distributed in irrigated rice fields, though rarely clustered pattern can occur. The probability distribution that best fits the data sampling is the Negative binomial. Adults and nymphs do not inhabit the same local in the rice field. Population levels above the value of economic damage may occur, but individuals are not present in about 2/3 of the units sampled. Polynomial regression models tested are not appropriate to fit the trends related to macro-scale in irrigated rice fields.Item Levobupivacaína, ropivacaína ou lidocaína na anestesia palpebral em equinos: avaliação da pressão intra-ocular, da produção lacrimal e da eficácia do bloqueio anestésico(Universidade Federal de Goiás, 2009-09-26) AMARAL, Andréia Vitor Couto do; SILVA, Luiz Antônio Franco da; http://lattes.cnpq.br/0446055905975647; CHAVES, Nilo Sérgio Troncoso; http://lattes.cnpq.br/9218281815823682Corneal anesthesia is required in order to evaluate the intraocular pressure (IOP) and eyelid blockades may also be necessary, using local anesthetic agents in horses. The aim of this study was to evaluate the IOP and the corneal touch threshold (CTT) at the central area of the cornea, after eyelid blockades with anesthetic 0.75% ropivacaine, 0.75% levobupivacaine and 2% lidocaine. Nine adult female animals of undefined breed horses, which received 2.0 ml of anesthetic for supraorbitary blockade and 2.5 ml for auriculopalpebral blockagde. All animals were anesthetized with the three anesthetic drugs, with an interval period of seven days between drugs, performing a Latin square 3x3x3. The IOP and CTT were measured before and 10, 20, 40, 60, 80 and 100 minutes after the blockades. The PIO was maintained within the limits considered normal in all three anesthetic drug groups evaluated. After 10 minutes, there was significantly CTT values decrease for all three anesthetics. The recovery time of CTT was higher in 30 the animals anesthetized with lidocaine than those anesthetized with levobupivacaine and ropivacaineItem Comércio e meio ambiente: os atuais desafios das pequenas empresas frutícolas do Vale do São Patrício GO no mercado internacional(Universidade Federal de Goiás, 2010-08-10) ANJOS, Diana Marques dos; AGUIAR, Maria do Amparo Albuquerque; http://lattes.cnpq.br/1567037897337008The world market of fruits is in great expansion, mainly due to, among others factors, the changes in the habits of the consumption and the new technologies that improved in the production and storage of fruits. However the technical barriers are the serious obstacles for producers to get access to international markets. The State of Goiás still has a little expressive production in relation to other States, as for example, Bahia. However it has favorable climatic and soil conditions to modify this situation. The purpose of this study is to analyze the challenges of the small fruit producers in the international trade and has as focus the producer of fruits of the region of the Vale do São Patrício in Goiás. For the development of the subject commerce and environment: the current challenges of the small fruit producer companies of the Vale do São Patrício in the international market , had been used exploratory research, literature review, organizational diagnosis field, research through interview and questionnaire with presidents of the cooperatives located in the cities of Uruana, Jaraguá and Itapuranga, which represent great part of the cities of the Vale do São Patrício. The conclusion of the study allows to certify that the small producers of fruits of the region work with the product as form of alternatives for income improvement and are considerably willing to adopt improvements in the productive process and the internal and external qualities of the product, being able to acquire the environmental certification and, in such a way, to increase the commercialization of its products in the domestic and international market.Item Modelagem matemática da variação espaço-temporal da temperatura média diária e do ciclo do algodoeiro herbáceo no Estado de Goiás(Universidade Federal de Goiás, 2009-08-14) ANTONINI, Jorge Cesar dos Anjos; OLIVEIRA, Virlei Alvaro de; http://lattes.cnpq.br/0739376049142731; OLIVEIRA, Luiz Fernando Coutinho de; http://lattes.cnpq.br/5499109407814908; GRIEBELER, Nori Paulo; http://lattes.cnpq.br/2953067359172793The regional climatic conditions in the State of Goias Brazil are favorable for herbaceous cotton (Gossypium hirsutum L. r. latifolium hutch) cultivation. However, for achieving the best productivities, it is important that both the planting date and the fruiting period be matched with the adequate soil-water availability as well as that the period from open bull to harvesting be coincident with the dry period. Thus, the knowledge of cotton cycle as function of planting location is very important for choosing the optimum planting date. In this context, the air temperature is one of the climatic variables that mostly influence the cotton growth. Nevertheless, the low density of meteorological stations with capability for measuring temperature has restricted the modeling studies for estimating cotton cycle. This work was carried out with the objective of developing and validating mathematical models to estimate average daily air temperature and based on the degreesday theory, the cycle of herbaceous cotton in the State of Goias, considering altogether its variations in space and time. Both models were based on a linear combination of elevation, latitude, longitude, and the daily time variation, represented by an incomplete Fourier series. The parameter models were adjusted to the data from 21 meteorological stations available in the State of Goiás and Federal District of Brazil, using multiple linear regressions with observations varying from eight to twenty four years. In the case of modeling degrees-day, the maximum and minimum temperature data were limited between 15°C and 40°C, which were taken as the lower and upper threshold temperatures, respectively. The air-temperature model was validated against the measured data from three meteorological stations from different elevations: high (1100 m), medium (554 m) and low (431 m). The coefficients of determination obtained from fitting the models for both daily air-temperature and daily degrees-day were 0.82 and 0.84, respectively, resulting in a medium performance for both low and high altitudes and very good for intermediate altitudes. The validation of the degrees-day model was conducted by comparing the period duration running from crop emergence to 90% open bulls observed from cotton cultivars, cropped in commercial fields. The results showed an overall performance index of 0.85, which was considered as very good. The models developed in this study adequately estimated the average daily air temperature and the cycle of herbaceous cotton cultivars in the State of GoiasItem Soroepidemiologia da infecção por Leptospira spp. Em bovinos, equídeos, caninos e trabalhadores rurais em assentamento no município de Aragominas, Tocantins, Brasil(Universidade Federal de Goiás, 2010-04-10) ARAÚJO, Bruno Medrado; JAYME, Valéria de Sá; http://lattes.cnpq.br/0603234425928309; BRITO, Wilia Marta Elsner Diederichsen de; http://lattes.cnpq.br/7605775995731168The main economic activity of the state of Tocantins, in Brazilian Amazon is cattle farms, with extensive breeding. Looking for contribution to cattle sanity, this study was devoted to the prevalence of antibodies against Leptospira in livestock of those farms, as production animals (cattle and equids), dogs and animal workers, from a rural governmental settlement in Aragominas, in the northwestern part of Tocantins. The statistically proofed sample was composed by 242 cows, 78 equids, 59 dogs and 41 animals workers, distributed in 38 small properties. All sampling was performed after informed consent, written in the case of human beings. For the diagnosis of leptospirosis, microscopic seroagglutination was performed in the Laboratório de Diagnóstico de Leptospirose do Setor de Medicina Veterinária Preventiva da Escola de Medicina Veterinária da UFG, Goiânia-GO. The seroprevalence for Leptospira spp in cattle was 76,5% [70,7% 81,7%], with serovar predominance of Hardjo (26,2%), followed by Wolffi (23,4%) Hebdomadis (14,1%), Castellonis (11,7%), Grippotyphosa (9,1%) e Pyrogenes (4,8%). In equids the seroprevalence was 79,3% [68,9% 87,4%], with agglutinins more intense to wild life serovars Castellonis (24,4%), Grippotyphosa (13,7%), Patoc (13,1%), Butembo (8,9%), Pomona (7,1%), Hardjo (6,6%), Pyrogenes (6,6%) e Wolffi (6,6%). Dogs presented seroprevalence of 30,5% [19,2 43,9], prevailing Canicola (26,3%), Hardjo (13,3%), Bratislava (10,0%) and Pyrogenes (10,0%). Human leptospirosis seroprevalence in animal workers was 31,7% [18,1%-48,1%], cwith detections of serovars Hardjo (26,3%), Grippotyphosa (15,8%), Pyrogenes (10,5%), Wolffi (10,5%), Autumnalis (10,5%) e Bratislava (10,5%). Looking for association with environmental and breeding conditions, the seroprevalence was associated in cattle to Bos indicus cattle (OR=7,51; [0,99-56,97]), in equids to the use of antihelminths (OR=7,64[0,95 61,50]) and for dogs with use for shepherd cattle (OR=4,44[1,35 14,58]). These data point to endemicity of Leptospira infection in the area and are highly suggestive of extensive environmental contamination with wildlife and production animal serovars. These results also emphasize the importance of the control of livestock leptospirosis, lowering environmental contamination and allowing better animal sanitation, with measures that could be implemented in new adequate settlements.Item Quantificação de machos e fêmeas de Heterodera glycines (Ichinohe, 1952) em cultivares de soja resistentes e suscetíveis(Universidade Federal de Goiás, 2009-11-17) ARAÚJO, Fernando Godinho de; ROCHA, Mara Rúbia da; http://lattes.cnpq.br/4660306671671575Soybean cyst nematode, Heterodera glycines Ichinohe, is one of the major phytopathological problems affecting the soybean, in the major producing countries of this legume. Eradication of H. glycines from contaminated areas is practically impossible. Thus, the soybean growers have to adapt control measures in order to maintain low population levels. The main control measures are crop rotation, soil management and use of resistant cultivars. With the purpose to evaluate the development of H. glycines and male/female ratio on soybean resistant and susceptible cultivars two trials were conducted during the years 2007 and 2008. Susceptible cultivars BRS Aracu, BRSGO Jatai, BRSGO Luziania, BRS Favorita RR, BRS Valiosa RR, BRS Silvania RR and resistant cultivars BRSGO Ipameri e BRSGO Chapadoes were evaluated. Soybean seedlings were transplanted to pots containing naturally infested soil with H. glycines, race 14, and, 10 days later, part of the plants remained in the pots to evaluate the females, while the other part was removed for hydroponic growth to evaluate the males. In the trial of 2008 the plants were divided in three lots, with the last one having the roots stained to count the juveniles and to evaluate survival rate. Resistant cultivars always maintained a small number of females and males, except for cultivar BRSGO Ipameri that had high countings of males. Only cultivars BRS Favorita RR and BRS Silvania RR had the expected sex ratio 1:1. All other susceptible cultivars had greater number of males than females, with ratios varying from 5:1 to 11:1. Survival rate was nil for both resistant cultivars, and varied from 6.75% to 35.00% for the susceptible cultivars. Regarding the number of cysts in 100 cc of soil the only cultivar that differed significantly from the others was the BRSGO Jatai on experiment conducted in 2007. The number of eggs per cyst varied, in both experiments, and the resistance did not influence the averages foundItem Inquéritos sorológicos em equídeos e aves silvestres para detecção de anticorpos anti-arbovírus de importância em saúde pública no Brasil(Universidade Federal de Goiás, 2011-12-06) ARAUJO, Francisco Anilton Alves; LINHARES, Guido Fontgalland Coelho; http://lattes.cnpq.br/6261928164195145; JAYME, Valéria de Sá; http://lattes.cnpq.br/0603234425928309; ANDRADE, Maria Auxiliadora; http://lattes.cnpq.br/9441751521255467This study determined the prevalence of hemagglutination-inhibition antibodies against alphaviruses in horses during an epizootic event by Eastern Equine Encephalitis virus in the state of Paraiba, Brazil, in 2009 and compared the results between the techniques of hemagglutination inhibition and serum neutralization test in microplates. The results of15 arboviruses obtained from serological surveys on horses in Brazil from 2007 to , as well as the results for the arboviruses found in two serological surveys on wild birds in the state of Para, between 2007 and 2008 2009 were analyzed,. In Paraiba, blood was collected from 188 horses during other surveys of 4.402 animals and 544 wild birds. The material was tested by the hemagglutination inhibition technique, neutralization was performed in microplates aiming at virus isolation. In Paraíba, we obtained a true prevalence of 62.2% for Eastern Equine Encephalitis and hemagglutination inhibition test had 79.5% sensitivity and 87.3% specificity . In Brazil, the prevalence rate was 33.3% for arboviruses, 20.6% for flaviviruses, 14.1% for alphavirus and 10.1% for bunyavirus. In birds, the positivity was 28.4%, being 14.7% for alphaviruses, 9.5% for flaviviruses and 7.4% for bunyavirus. There was a high circulation of antibodies against Eastern Equine Encephalitis in inapparent-host animals and the hemagglutination inhibition test can be recommended as screening method. The other arboviruses surveyed were found in animals of the nine states with a significant difference in the prevalence from the motivation of the survey. Migratory birds have proved to be important amplifiers of these agents .Item Certificação de origem através da Indicação Geográfica para o café Cerrado Goiano(Universidade Federal de Goiás, 2011-03-28) ARÊDES, Agda; TEIXEIRA, Sônia Milagres; http://lattes.cnpq.br/1596947832723945Although the coffee cropping in the State of Goiás is more recent and the produced volumes are lower among the traditional coffee producers in Brazil, it presents both climate and soil characteristics similar to those of the savannah in Minas Gerais. This research was carried out to evaluate the viability of the certification for coffee cropping in the State of Goiás, in order that other coffees in the world such as Ethiopia, Colombia, Guatemala and Costa Rica decided for protection through the intangible assets - Geographical Indication. So, either secondary data of the production and primary ones collected in semi-structured interviews with entrepreneurs, coffee growers and agencies accrediting the quality of the coffee: the SCAA (American Association of Special Coffees) and BSCA (Association of Brazilian Special Coffees) that uses the methodology of SCAE (European Association of Special Coffees), besides interviews with entrepreneurs of the coffee industry in the state. The financial-economical data and conditionings to certification were analyzed in order to discuss the obstacles and possibilities to adaptation of either coffee growing and processing sector as aiming at certification. It was inferred that the goianos coffee growers selected in the research presented, in the last years, the highest productivity rates among all Brazilian states, that are rates above the national average. In Goiás, the average cost of the green coffee production is still superior to that produced in the Savanna at Minas Gerais State. It is concluded that the industry link has higher portion of the gross margin with 40% appropriation on the retail price of the product, followed by the link distribution with 31% and the link production with 29%. Concerning to the net income earned by producer, it was found to be higher for the Peeled Cherry with 36%, Hard 19%, Green 19% and Rouy 7% above the final price. The stamp Café do Cerrado is the most complete among all certifications that were analyzed, since it certifies both origin and quality of the coffee whereas internationally promoting the brand. The other certifiers guarantee the quality of the product from several Brazilian areas and from the world, as possessing sensorial characteristics and several production methods.Item Índice de desenvolvimento sustentável e agronegócio: uma análise multivariada(Universidade Federal de Goiás, 2010-03-25) ARRUDA, Caroline Sales; TEIXEIRA, Sônia Milagres; http://lattes.cnpq.br/1596947832723945The purpose of the study was to analyze agribusiness developmente and economic, social and environment sustainability of the Goiás State municipalities, in the years 1995 and 2005. Agribusiness is one of the most important sources of wealth in Brazil. Regardless, its conformation has not been homogenous for all regions, products and forms of production. Besides, the logics of the model for production rationalization through technological packages, with the Green Revolution has resulted in productivity gains, but as a consequence has generated deforestation, soil exhaustion, water pollution, health problems for rural workers, unemployment, rural migration and equity dismiss. Agribusiness development in Goiás resulted in changes on the social, economic and environmental space, and such changes may compromise future generations. The purpose of the study was to analyze agribusiness development, environmental economic and social sustainability in the Goias state municipalities. It has been associated agribusiness development with sustainable development; It has been identified the degree of sustainability of development of the municipalities, period 1995-2005, through the elaboration of the sustainable index; It has been analyzed through comparisons among those years, the municipalities evolution in terms of economic, social and environmental viability search. In this way the method of analysis used was the factor multivariate analysis, which permits to put together regions and municipalities with similar profiles and variable groups to delineate patterns of characteristics and variations; identify the stage and explaining factors among agribusiness development and sustainability, measure and analyze the degree of sustainable development in the Goias municipalities, which ends up helping the elaboration of public policies compatible with the needs of the municipalities and great regions of the State. Based on the results it can be concluded that: there is great heterogeneity among municipalities and great regions, in relation with the agribusiness development and such development was present and highlighted in the same municipalities during the 1995-2005 period, as an example Jatai and Rio Verde; the agribusiness performance is directly related to sustainability as ca defined, in at least one of the social, economic or environmental variables and that, even though large part of the municipalities have presented very low levels of sustainable development, throughout the ten years period, in general, the state has shown evolution in the search for sustainable development. However, such results indicate the possibility of more specific studies and need to focus regional development aiming to reduce inequalities among municipalities and guarantee the permanent search for sustainable development.Item Processos erosivos lineares nas bacias dos Rios Claro e dos Bois, afluentes do Rio Araguaia no Estado de Goiás: relações com a cobertura vegetal e uso da terra(Universidade Federal de Goiás, 2010-08-19) BARBALHO, Maria Gonçalves da Silva; CASTRO, Selma Simões de; http://lattes.cnpq.br/4460827622247417The pattern of land use and occupation of the Cerrado associated with the expansion of the agricultural frontier, in the last 40 years, has been interpreted as causing environmental impacts observed him during this period, especially those related to intensive deforestation and indiscriminate use of areas with soils with low or null agricultural capability, although capable of extensive pastures. The Erosion processes have been described as the most significant, positioned after the remarkable loss of biodiversity, the most important and extensive in area. The present thesis analyzes the relationship between the land use valued at historical series started in the decade of 1975, agricultural suitability of land use pattern and the erosion and silting sites of the two combined basins for purposes of this study, called basins of the rivers Claro and Bois, tributaries of the upper Araguaia river in the state of Goiás. This area was considered in previous studies as the most affected by deforestation among the five sub-basins that make up the upper Araguaia river basin. The research was based an integrated analysis of the physical environment and biota components of the focus area, with base on remote sensing and GIS and pedotransfer criteria. The results are presented as scientific papers and reveal that the most intensive phase of deforestation occurred in the 1980s, when the Forest Formations were most penalized originally, followed by the Savanna Formations, that the conversion occurred in favor of extensive pastures, for which the area has good suitability soil and relief associates; that the numerous of linear erosion impacts, 395 linear erosion features placed in degraded pastures are concentrated in these areas, which predominate low discrepancies between suitability and actual use. As evidenced in the spatial analysis, it is confirmed the presence of 395 linear erosion features associated with degraded pastures. It is concluded that the area supports the pattern of initial occupation of the Cerrado by its conversion to pasture and that environmental impacts arising from the management of them more than this type of use.Item Eficiência agronômica de um fertilizante fonte de micronutrientes nas culturas da soja e milho(Universidade Federal de Goiás, 2010-08-03) BARBOSA, Juliano Magalhães; FERNANDES, Eliana Paula; http://lattes.cnpq.br/7324619074753727; LEANDRO, Wilson Mozena; http://lattes.cnpq.br/9052207260053937The present work aimed to value the agronomic efficiency of different doses of a fertilizer fount of micronutrients applied through the soil in soy culture and the residual answer in culture rotation with the corn, by the determination of chemical attributes related with the productivity. The study was performed in field s condition in a Distrofic Red Latosoil in the experimental area of the School of Agronomy and Food Engineering, in Goiânia Goiás. The experiment was performed in the harvests 2007/2008 and 2008/2009 in randomized complete blocks design with five treatments and four repetitions. Fertilizer was used as fountain of micronutrients in the form of powder containing 6,8% of manganese (Mn), 3,9% of zinc (Zn), 2,1% of iron (Fe), 1,2% of copper (Cu) and 1,1% of boron (B), in four doses and as reference the testimony: D 0 0 kg ha-1, D 0,5 33,33 kg ha-1, D 1 66,66 kg ha-1, D 2 133,32 kg ha-1 and D 1C - 66,66 kg ha-1 plus 1,4 t ha-1 of calcium oxide. The fount of micronutrient was applied only in the harvest 2007/2008 associated to the soil preparation, in the harvest of 2008/2009 there was no reapplication and the system of planting was direct, without the soil preparation. The geeting of soil and leaf were carried out in the florescence of the cultures. It can be concluded that the cultures appears to be responsive to the fertilizer by considering the productivity of both the soy and the corn and that the fertilizer doses of 128,63 kg ha-1 and 69,08 kg ha-1 showed to have the best efficiency for the productivity of the soy to the corn, respectively.Item Interação entre herbicidas e cultivares de soja sobre o desenvolvimento populacional de Heterodera glycines em campo(Universidade Federal de Goiás, 2010-11-29) BARBOSA, Kássia Aparecida Garcia; ROCHA, Mara Rúbia da; http://lattes.cnpq.br/4660306671671575This study evaluated the effect of herbicides on the population density of H. glycines in soybean cultivars, (one resistant and three susceptible) in natural infestation conditions. Experiments were done in Campo Alegre de Goiás and Gameleira de Goiás, agricultural year 2006/07, using randomized blocks, with three repetitions. The treatments were arranged in a factorial design 4 x 4 + 1, with four cultivars (BRSGO Ipameri, BRSGO Luziânia, BRSGO Jataí BRS Silvânia RR), four forms of weed control (hand weeding, chlorimuron-ethyl + lactofen, chlorimuron-ethyl and haloxyfop-methyl), and additional treatment represented by the combination of transgenic cultivar BRS Silvânia RR and herbicide glyphosate. In agricultural year 2009/2010, another test was conducted in Gameleira de Goiás, with four repetitions, in a factorial design 2 x 4 + 2, involving two cultivars (BRSGO Chapadões and BRSGO 8360), four forms of weed control (hand weeding, lactofen, chlorimuron-ethyl; haloxifop-r), and two additional treatments represented by the combination of transgenic cultivar BRS Valiosa RR with control manual weed and chemical control via herbicide glyphosate. In the agricultural year 2006/07, in Campo Alegre de Goiás, eighty days after planting, there was less formation of viable cysts in cultivar BRS Silvânia RR associated with the application of clorimuron + lactofen, compared to manual control. In Gameleira de Goias, it was found, forty days after planting, increase in the number of viable cysts using herbicides, compared with manual control, in cultivar susceptible BRSGO Luziânia, BRSGO Ipameri, resistant to H. glycines, the number of viable cysts was lower when applied herbicides clorimuron+lactofen or haloxyfop, compared the application of clorimuron. The herbicides had no effect on the number of females in susceptible and resistant cultivars in the year 2009/10. In cultivar susceptible BRSGO 8360, the herbicide haloxifop led to a smaller number of females, in comparison with clorimuron, 45 days after sowing. The herbicide lactofen, in the cultivar BRSGO Chapadões (resistant) was associated with increase in the number of viable cysts 45 days after sowing. This herbicide affects negatively the biomass of leaves, fresh green beans and dry bean in the cultivars BRSGO Chapadões and BRSGO 8360.Item Caracterização genética de populações naturais de Palicourea coriacea (Cham) K. Schum utilizando marcadores moleculares(Universidade Federal de Goiás, 2006-08-24) BARBOSA, Taryana Coelho Sales; SIBOV, Sérgio Tadeu; http://lattes.cnpq.br/4627553641870284The Species Palicourea coriacea (Cham) K,Shum is a species little know, it is belonging to the Rubiaceae family, popularly known as douradinha. The popular use medicine in the therapy of kidneys illnesses. The popular name douradinha is associated with the color of the bracts and of the stem and the species occurs in Cerrado s Bioma, however in different environments. Studies about the genetic diversity and its distribution in natural populations of P. coriacea are of extreme importance for the definition of adequate strategies of handling and cultivation, however they do not exist in literature, studies of this nature. This work had as objective to evaluate the genetic structure from nine natural populations of P. coriacea, collected in States of Goiás and Bahia and to evaluate the genetic diversity of these populations through markers RAPD. The P. coriacea species presented one high level of genetic diversity, or heterozygosity waited by Nei (1972) that it varied between 0,259 and 0,338 in the populations, with equal on average value the 0,296. The AMOVA disclosed that 23% of the total variability is meeting each other between populations. Although the estimates of apparent gene flow (Nm) have disclosed values inferior to one, on the other hand, equal the 0,83. The analyses of Bayesian Statistics had disclosed to a value of f (FIS) equal the 0,98 suggesting the possibility of this species has behavior like autogamous species. The analyses of grouping of the populations using Bayesian and AMOVA statistics disclosed that it does not exist a correlation between geographic distance and genetic distance all the nine populations they grouping, eventually, not obeying its geographic origin. Then, the hypothesis previously formulated of that geographically next populations would be genetic next, was discarded for the results gotten for the Mantel test where it got a correlation of 0,155. In addition, this relatively high inter populations differentiation allows to recommend to a strategy ex situ of the genetic variability using the biggest possible number of populations. In what, the conservation says respect in situ must be taken in account characteristic genetic and demographic of this species considering that this fact implies in the possibility of a continuous evolution and in the development of new adaptable strategies. It is necessary to have conscience on the distribution of the genetic diversity of these areas with intention to not only promote polities for preservation of found natural populations in national parks, but yes to private preservation of the legal reserves and properties.