Repensando a metodologia do Índice de Potencial de Consumo (IPC) para estudos sobre consumo nas cidades medias

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Plantas de cobertura em pré-safra e adubação nitrogenada na fertilidade do solo em diferentes camadas, cultivado com milho em sistema de plantio direto e convencional

The species of cover crops in pre-harvest of maize crop may influence the soil chemical properties. The objective was to evaluate soil fertility due to the use of plant species cover, previously cultivated with maize crop in no-tillage and conventional and subjected to nitrogen. The experiment was conducted at UNESP in Jaboticabal-SP, in an Oxisol clay during the crop years 2000/01, 2001/02 and 2002/03. The experimental design was randomized blocks in split plots with four replications. The treatments consisted of nitrogen (0, 60 and 120 kg N ha(-1)) and planting systems, and three under no-tillage system with the use of cover crops: Brachiaria, millet, Crotalaria and lablab, and under a conventional tillage. We evaluated at the flowering stage of corn, covering the crop year 2002-2003, the chemical soil layers (0-0.05, 0.05-0.10, 0.10-0.20; 0.20-0.30 m deep). Tillage systems and nitrogen levels influenced differently to the chemical properties of soil layers studied. Regardless of the nitrogen used in the conventional treatment showed lower organic matter content, calcium and value of sum of bases in the topsoil.

Ocorrência de Commelina villosa como planta daninha em áreas agrícolas no estado do Paraná-PR, Brasil

As trapoerabas pertencem à família Commelinaceae e são plantas daninhas de difícil controle em diferentes regiões do país. No Brasil, a espécie Commelina benghalensis destaca-se como a principal trapoeraba infestante nas culturas de soja, milho, café e citros. Outras duas espécies desse gênero, Commelina diffusa e Commelina erecta, também são conhecidas como infestantes de ocorrência freqüente no território nacional. Commelina villosa está registrada, até o momento, apenas para os Estados da Bahia e Goiás além do Distrito Federal. O presente trabalho teve como objetivos caracterizar e registrar a ocorrência de C. villosa no Estado do Paraná, onde pode estar sendo confundida com outras trapoerabas, principalmente C. benghalensis. Exemplares de C. villosa e C. benghalensis foram coletados, de forma aleatória, em lavouras de soja, feijão e milho, nos municípios de Ponta Grossa, Tibagi, Piraí do Sul, Guarapuava, Pato Branco, Francisco Beltrão, Cascavel, Campo Mourão e Londrina. Parte desse material foi herborizado para a confecção de exsicatas e outra parte foi mantida in vivo, cultivada no Departamento de Botânica, do Instituto de Biociências de Botucatu-UNESP. Caracteres morfológicos descritivos e quantitativos foram avaliados e as espécies comparadas entre si. C. villosa distinguiu-se de C. benghalensis por apresentar folhas maiores (9,76 x 3,26 cm), elíptica a elípticaestreita, sésseis, de coloração verde escura com manchas violáceas na face inferior, filetes translúcidos, entre outras características. A ocorrência de C. villosa no Paraná foi constatada em todos os municípios amostrados, com exceção de Campo Mourão e Londrina.

O delito dos proscritos: a marginalidade política em Londrina (1956-1967)

Pós-graduação em História - FCLAS

Dessecação em pré-colheita com glifosato e qualidade de sementes armazenadas de soja

Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)

Ação da dopamina na secreção do hormônio do crescimento em novilhas pré-púberes da raça Nelore

The aim of this study was to evaluate the response of dopamine in the growth hormone secretion (GH) during Nellore heifer's sexual maturation. The animals were randomly assigned into two experimental groups: Sulpiride group (dopamine D-2 antagonist, 0.59 mg/kg, S. C.) and control group (saline solution S. C.) at 8, 12 and 16 months of age. Blood samples were collected every 15 min for 10h after drug injection. Growth hormone was quantified by RIA, sensitivity (0.25 ng/mL) and intra and inter-assay variation coefficients were 15% and 17%, respectively. GH concentration was higher in sulpiride group than control group at 8 mo (10.1 +/- 0.38 ng/mL vs 4.3 +/- 0.34 ng/mL; P < 0.05) and 12 mo of age (9.46 +/- 0.35 vs 3.74 +/- 0.19 ng/mL; P < 0.05). In sulpiride group GH average concentration was greater at 8 and 12 mo compared to 16 mo of age (10.10 +/- 0.38 ng/mL and 9.46 +/- 0.35 ng/mL vs 4.87 +/- 0.35 ng/mL; P < 0.05) respectively. There was no difference between groups (P > 0.05) in total GH secretion area, total peak area and maximum peak amplitude. These results suggested an inhibitory dopamine effect on GH secretion in pre-pubertal Nellore heifers that decreases according to age.

Sentidos vermelhos nos anos dourados: uma análise do anticomunismo católico em Londrina no período de 1955 a 1958

This article aims to analyses the anti-Communism in the period between 1955 and 1958 in Londrina, Paraná, from the event march of Production which was reported by Folha de Londrina in 1958. We’ll use as methodological the discourse analysis of French substantiated in studies of Pêcheux (1997) and the mechanisms for structuring of antiCommunism discourse of Catholic Londrina leaders from the 1950s. Starting on survey of documentary sources and bibliographical, specially texts produced by representatives of Catholic church in Northern Paraná during the period of proposed analysis. We intend to analyse Catholic anti-Communism from point of view of its elements. The complexity of the political historical period of reference of this article shows how about communism in Folha de Londrina is linked to a discourse on other prebuilt discourses. This article is built in three steps: the first one is JK Years: Anti-Communism while legitimizing the development policy that we will produce an analysis of JK government that stood against to communism while conception of society and economic and political structures. The second one is the multifaceted anti-Communism in Brazil. We focus on the theoretical discussion on the concept of anti-Communism pointing out many Brazilian facets interpretation. The last one , faith and power: Anti-Communism sense and Catholic church in Londrina (1955-1958) will systematize texts of Catholic leaders about communism and finally analyze them with the proposed theoretical framework of discourse analysis.

Tratamentos pré-germinativos e substratos na emergência de sementes e qualidade de mudas de pinhão manso (Jatropha curcas L.)

The physic nut can be propagated asexually or sexually. Using cuttings have been earlier yield and more fidelity characteristics of the parent plant. However, there is less initial vegetative growth. The seeds from the plants have increased genetic variability, are more vigorous and begin production later. To get quality changes, the substrate is an important factor. With that the objective was to taste pre-germinated treatments and different substrate on seeds emergence and quality physic nut seedlings. The experimental design was completely randomized, in factorial scheme 6 x 3 (pre-germinated treatments x substrate), 18 treatments and 4 repetition, 8 seeds to each repetition. It was evaluated six pre-germination treatments: T1: witness (without treatments); T2: water immersion for 12 hours; T3: water immersion for 24 hours; T4: mechanical scarification; T5: mechanical scarification + water immersion for 12 hours; T6: mechanical scarification + water immersion for 24 hours, using as substrate: commercial, expanded vermiculite and sand washed. The mechanical scarification was realized opposite the micropyle using sandpaper n. 60. After the pre-germination treatments, the seeds were emergence in plastic cups (200mL) with substrates. We evaluated the characteristics: percentage, beginning and emergence speed index, mean length of plant, diameter of plant stem, SPAD index, fresh and dry shoot and root. The results showed that in seeds of Jatropha do not need pre-germinative treatments; and the use of commercial substrate showed seedling development.