Desempenho produtivo, partenocarpia e expressão sexual de linhagens de pepino caipira em ambiente protegido

Avaliou-se a capacidade produtiva, partenocarpia e expressão sexual de linhagens de pepino caipira sob cultivo em ambiente protegido. A capacidade produtiva foi avaliada em experimento em blocos ao acaso com 18 tratamentos (16 linhagens e dois híbridos do tipo caipira, Safira e Guarani), quatro repetições e cinco plantas por parcela, em estufa agrícola com as laterais abertas possibilitando a entrada de insetos polinizadores. A expressão sexual e a partenocarpia foram avaliadas em delineamento semelhante, utilizando 16 linhagens da população SHS (F2RC1 do cruzamento entre os híbridos Safira e Hatem (tipo holandês)) e 19 da população GH (F2 do cruzamento entre os híbridos Guarani e Hatem), porém este experimento foi conduzido em estufa agrícola fechada, com tela anti-afídeo, evitando- se a entrada de insetos polinizadores. A partenocarpia foi avaliada verificando o pegamento de frutos em cada linhagem. Várias linhagens foram estatisticamente similares aos híbridos em termos de produção, mas nenhuma foi superior. Os híbridos Safira e Guarani produziram respectivamente 23,1 e 19,1 frutos planta-1, sendo, respectivamente, 21,9 e 17,5 frutos comerciais. As massas total e comercial de frutos por planta foram respectivamente 3,8 e 3,6 kg para o híbrido Safira e 2,9 e 2,7 kg para o híbrido Guarani. A linhagem SHS-2 destacou-se pela boa produção, similar aos dois híbridos, apresentando frutos do tipo caipira claro, além de ser partenocárpica e possuir plantas ginóicas. Todas as linhagens da população SHS apresentaram frutos do tipo caipira, mas apenas cinco foram partenocárpicas. Na população GH, nove linhagens foram partenocárpicas e dez apresentaram frutos do tipo caipira. Duas linhagens da população SHS apresentaram apenas plantas monóicas, com as demais segregando para plantas ginóicas e monóicas. Na população GH, todas as plantas foram ginóicas. A população SHS é mais interessante para a obtenção de linhagens principalmente devido ao tipo de fruto caipira mais próximo dos frutos comerciais.

Development of mint (Mentha piperita L.) grown on biosolids: evaluation of productivity and essential oil content

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Efficiency of intermittent exercise on adiposity and fatty liver in rats fed with high-fat diet

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

Two-branes with variable tension model and the effective Newtonian constant

It is shown that, in the two brane time variation model framework, if the hidden brane tension varies according to the phenomenological Eotvos law, the visible brane tension behavior is such that its time derivative is negative in the past and positive after a specific time of cosmological evolution. This behavior is interpreted in terms of a useful mechanical system analog and its relation with the variation of the Newtonian (effective) gravitational constant is explored.

Violência Sexual Infanto-Juvenil em Natal: uma avaliação do Programa Sentinela

Analyze the problem of sexual violence suffered by children and adolescents in the city of Natal / Rio Grande do Norte (RN), attended by the Programa Sentinela, a service aimed at combating sexual violence children and teenagers who serves on the council of Natal. Thus aims to review the implementation of the Programa Sentinela in Natal / RN, in the period 2001 to 2006, verifying that the program has contributed to the access of children and adolescents who are victims of abuse and sexual exploitation to fundamental rights under the Statute Children and adolescents (ECA) and the Local Plan and the National gainst Infanto-Youth Sexual Violence. It has a theoretical and methodological approach quantitative and qualitative, covering the issue of sexual violence against children and adolescents, as one of the expressions of economic relationships, gender, race and culture that make up the material and symbolic structure of society. It methodological procedure: review of literature on the subject and conducting interviews with professionals and families of children and adolescent victims of sexual violence. Investigate as the unit of analysis the Sentinel Program. The analysis on the governmental actions of this period on this social problem points to the continuity and little change in the care of victims of sexual violence: despite maintain features and palliative assistencialistas, favoring the "Network of Sexual Tourism", go through some innovations in terms of securing rights from the ECA, which is the need for transparency and democratization in the management of government policies. In research undertaken, Brazil will only be combating this type of crime when each of the social actors are actually doing their share, down taboos, facing corruption and strengthening a system of guarantee of rights, which target children and adolescents are unprotected, and often ignored by Brazilian society

Educação sexual na escola a partir da psicologia histórico-cultural

Este artigo relata um projeto na área da Psicologia da Educação com referencial histórico-cultural. O projeto foi desenvolvido em uma escola de ensino fundamental que teve como objetivo oferecer educação sexual para adolescentes auxiliando-os para viverem com autonomia e responsabilidade sua sexualidade. A intervenção ocorreu em 15 encontros semanais, com o uso de diferentes estratégias metodológicas abrangendo os seguintes temas: 1) Identidade Grupal e levantamento de expectativas, 2) regras de convívio grupal, 3) Conceito de Sexualidade; 4) Conceito social de adolescência, 5) Fisiologia e saúde, 6) Saúde Sexual e reprodutiva, 7) Iniciação Sexual, 8) Gravidez na Adolescência, 9) Violência Sexual, 10) Padrões de Beleza e atitudes de discriminação e 11) Gênero e diversidade sexual. Alunos e professores avaliaram a proposta de intervenção como satisfatória e necessária na escola. Almeja-se a continuidade do projeto com outros alunos e oferecer formação aos professores.

Corrective eyeglasses and medial canthal basal cell carcinoma: a case-control study

Background Corrective eyeglasses are frequently worn by adults, particularly at older ages. Their lenses and frames provide ultraviolet protection. Medial canthal basal cell carcinomas are infrequent (38%), and their relation with the use of corrective glasses was not yet investigated. Objectives To assess the prevalence of corrective eyeglasses use in individuals with medial canthal basal cell carcinoma. Methods Case-control study using two controls matched by age, gender, and ethnicity for each case. Cases were patients with medial canthal basal cell carcinoma, and controls were patients with basal cell carcinoma elsewhere on the face. The prevalence of major risk variables was estimated and adjusted by conditional multiple logistic regression. Results Fifty cases and 100 controls were assessed. The mean patient age was 69.7 years, and 54% of the subjects were females. No difference regarding the eyeglasses use or use duration was found between groups. However, when visual defects were separately evaluated, eyeglasses for myopia correction were independently associated with lower risk of medial canthal basal cell carcinoma development (OR = 0.26; P = 0.03), what can be related to long term local photoprotection. Conclusion The use of eyeglasses for myopia correction is associated with lower prevalence of medial cantal basal cell carcinoma. Risk-reducing mechanisms should be elucidated.

Impact of skeletal maturation on bone metabolism biomarkers and bone mineral density in healthy Brazilian male adolescents

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

Evaluation of postural balance in postmenopausal women and its relationship with bone mineral density- a cross sectional study

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

Detection of the Vandibular Canal and the Mental Foramen in Panoramic Radiographs: Intraexaminer Agreement

The aim of this study was to evaluate the intraexaminer agreement in the detection of the mandibular canal roof (MCR) and mental foramen (MF) in panoramic radiographs. Forty panoramic radiographs of edentulous patients were used. Two calibrated examiners (A and B) read the images 2 times, for both sides independently, under blind conditions. The interval between the readings was 10 days. The intraexaminer agreement in the interpretation of MCR and MF was performed by kappa statistics with linear weighting (x). The intraexaminer agreement for the detection of MCR, in the left side, was good for both examiners (A: kappa = 0.67; B: kappa = 0.71). Related to the right side, it was found to be kappa = 0.47 and kappa = 0.62, respectively to A and B. The intraexaminer agreement for the detection of MF was good for both examiners interpreting the left side (A: kappa = 0.61; B: kappa = 0.63), and in relation to the right side, it was moderate (A: kappa = 0.51) and fair (B: kappa = 0.38). The intraexaminer agreement in the detection of MCR was good and from good to fair in the detection of MF.

Fenvalerate, A Pyrethroid Insecticide, Adversely Affects Sperm Production and Storage in Male Rats

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Persistent Impairment of Testicular Histology and Sperm Motility in Adult Rats Treated with Cisplatin at Peri-Puberty

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Spermatic cell characteristics in Gymnotiformes (Teleostei: Ostariophysi) and their phylogenetic meaning

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

Hunting spiders of woodland fragments and agricultural habitats in the Atlantic rain forest region of Brazil

The hunting spider communities of the Dionycha clade were studied 1986 through 1988 in fragmented woodlands and secondary agricultural habitats of the Botucatu area in São Paulo state, Brazil. The original vegetation of mainly tropical Atlantic rain forest (Mata Atlantica) was cleared already 70 years ago. In a total sample of over 1000 adult spiders, 247 species belonging to 12 families Mere determined. A decreasing frequency and diversity of spiders rc as found if forest remnants were compared with sugar cane fields and cattle pasture. The specific composition of the spider fauna as surveyed in different habitats is discussed under ecological aspects and in relation to the history of land use.

Ecologia morfofuncional de plântulas de espécies arbóreas da Estação Ecológica do Panga, Uberlândia, Minas Gerais

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)