Despite the knowledge about the effects of silicon augmenting antibiosis and nonpreference of plants by apterous aphids, few studies exist on such effects with alate aphids. This study evaluated the effects of silicon fertilization on the biology of alate and apterous morphs of Sitobion avenae (F.) (Hemiptera: Aphididae), and the effect on nonpreference by S. avenae alates for wheat plants with or without silicon fertilization. A method for rearing aphids on detached leaves was evaluated comparing the biology of apterous aphids reared on wheat leaf sections and on whole plants with and without silicon fertilization. Because the use of detached leaves was a reliable method, the effect of silicon fertilization on the biology of apterous and alate S. avenae was assessed using wheat leaf sections. Biological data of aphids were used to calculate a fertility life table. Finally, the effect of silicon fertilization on the nonpreference of alate aphids was carried out for both vegetative and reproductive phases of wheat. Thirty alate aphids were released in the center of a cage, and the number of aphids per whole plant with or without silicon fertilization was observed. Silicon fertilization induced antibiosis resistance in wheat plants to apterous morphs as shown by reduced fecundity, reproductive period, longevity, intrinsic rate of increase, and net reproductive rate; however, alates were unaffected. Plants that received silicon fertilization had fewer alate aphids in both the vegetative and reproductive phases. Thus, silicon fertilization can reduce colonization by alates, enhancing nonpreference resistance, and population growth of apterous S. avenae in wheat plants.

The aims of this study were to investigate the genetic variability and the genotype × environment interaction for quality and yield traits in common bean (Phaseolus vulgaris L.), to evaluate the degree of informativeness of the evaluations of grain quality in only one environment, to estimate genetic parameters for grain quality traits, and to select lines with superior grain quality. We evaluated 81 carioca common bean lines in preliminary line trials in several environments for nutritional, technological, and commercial quality and selected the 20 superior lines, which were evaluated in validation trials in nine environments. Individual and combined ANOVAs were performed for all the traits. Correlations were estimated between Fe and Zn concentrations and yield; adaptability and phenotypic stability were analyzed; and superior genotypes were selected based on the Mulamba & Mock index. It is possible to increase the Fe, Zn, and crude protein concentrations and reduce cooking time; however, increasing crude fiber is a challenge. Preliminary evaluation of the quality traits in only one environment was effective and sufficient for selection of genotypes superior in Fe concentration, crude fiber, crude protein, and cooking time; and genetic gains can be obtained from selection for these traits. Genetic and phenotypic correlations were observed between Fe and Zn concentrations. The lines CNFC 16627, CNFC 16518, CNFC 16602, CNFC 16615, and CNFC 16520 are superior based on the selection index and are recommended for breeding for grain quality in carioca common bean.

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Introdução: A identificação humana em corpos putrefeitos demanda análise especializada, sendo recomendável uma abordagem multidisciplinar. Uma análise antropológica preliminar de sexo e idade pode ser útil para eleger os métodos primários a serem aplicados. Objetivo:Demonstrar a importância dos registros odontológicos para a identificação humana, quando caracteres antropológicos apontam para perfis biológicos discrepantes da real identidade.Relato de caso: Em 2014 um cadáver parcialmente esqueletizado foi examinado para determinação da causa mortis e identificação humana. Exames cadavéricos e radiológicos não puderam determinar a causa da morte. A análise do crânio permitiu constatar caracteres sexuais compatíveis com os sexos masculino (protuberância occipital externa, processo mastoide e margem supraorbital) e feminino (glabela/arco superciliar e ângulo nasofrontal). O crânio sugeria um indivíduo adulto ou idoso (algumas suturas abertas, outras fechadas, deiscência do parietal, pneumatização do seio frontal). Supostos familiares relataram o desaparecimento de um ente do sexo masculino, de 85 anos de idade. O confronto necropapiloscópico apontou 11 pontos de similaridade, ainda insuficientes para