34 research outputs found

    Gametophytic self-compatibility and its influence on the physical characteristics of plum fruit

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    Gametophytic self-incompatibility can be one of the obstacles to achieving high yields in plum orchards. Therefore, we sought to verify in the field, the occurrence of gametophytic self-compatibility and its influence on the physical characteristics of fruits in Japanese plum accessions. The work was installed at the Research Pole of IDR-Paraná in Ponta Grossa-PR, in 2021, selecting six accesses belonging to the BAG-Ameixa site. The experimental design was completely randomized (DIC) with a split plot (6 x 2), with the plot having six accessions and the subplot having two methods of pollination, induced self-pollination and free pollination, with five replications. For the variables related to the physical quality of the fruits, the DIC was delimited, with the six accessions as treatment and four replicates of five fruits. Data were analyzed using the Rstudio software, applying the Tukey test at the 5% level. The variables observed for self-compatibility were the percentage of apparent and effective fruiting. For the physical quality of fruits, the total mass, seed and pulp, vertical and horizontal diameter, volume, pulp yield and seed/fruit mass ratio were evaluated. Free pollination was higher in the percentage of apparent and effective fruiting, and the genotypes PR-1013 and PR-1095 were the materials that presented the highest percentages for these variables, as well as for the physical quality of the fruits. The evaluated accessions were considered self-incompatible for not having fruits that reached the final maturity, being free pollination the best method of pollination for the development of fruits.Gametophytic self-incompatibility can be one of the obstacles to achieving high yields in plum orchards. The objective of this work was to verify in the field the occurrence of gametophytic self-compatibility, and its influence on the physical characteristics of fruits in Japanese plum accessions.. The work was installed at the Research Pole of IDR-Paraná in Ponta Grossa-PR, in 2021, selecting six accesses belonging to the active Plum-GAB site. The experimental design was completely randomized (DIC) with a split plot (6 x 2), with the plot having six accessions and the subplot having two methods of pollination, induced self-pollination and free pollination, with five replications. For the variables related to the physical quality of the fruits, the DIC was delimited, with the six accessions as treatment and four replicates of five fruits. The variables observed for self-compatibility were the ercentagem of apparent and effective fruiting. For the physical quality of fruits, the total mass, seed and erc, vertical and horizontal diameter, volume, erc yield and seed/fruit mass ratio were evaluated. Free pollination was higher in the ercentagem of apparent and effective fruiting, and the genotypes PR-1013 and PR-1095 were the materials that presented the highest percentages for these variables, as well as for the physical quality of the fruits. The Japanese plum accessions evaluated were classified as self-incompatible, with free pollination as the best pollination method for the production and quality of fruits of this species

    Development and productivity of two beet genotypes for fertilization

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    Beet needs a high demand of nutrients to improve its development and productivity. The objective of this work was to evaluate the effect of fertilizer forms in the development and productivity of the beet crop. The experiment was carried out in the experimental area of the Fazenda Escola of the Higher Education Center of Campos Gerais, located in the city of Ponta Grossa-PR, between September and November 2018. The experimental design was randomized blocks in a 2x4 factorial scheme [2 genotypes of beet (Boron hybrid and Tall Top Early Wonder cultivar) x 4 forms of fertilization, T1 - control (without fertilization), T2 - poultry litter, T3 - bovine manure and T4 - NPK], containing four repetitions. The harvest was carried out at 75 days after transplanting the seedlings, harvesting five plants from each plot to carry out the analyzes, thus evaluating the number of leaves per plant, height of the aerial part, fresh mass of the aerial part and the root, productivity, horizontal diameter and commercial classification of root, presence of white rings through notes and soluble solids content (ºBrix). Among the different genotypes studied, the cultivar Tall Top Early Wonder was superior in the variables of plant height, fresh mass of roots and leaves and soluble solids, 75 days after transplantation. The cultivar Tall Top Early Wonder responded better, implying the idea that organic fertilization would be an alternative as a source of nutrients in beet production

    Effect of tillage reduction on the productive behavior of cassava

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    Em experimento de mandioca (Manihot esculenta Crantz) instalado em Latossolo Amarelo, na cidade de Cruz das Almas (BA), foram comparados tratamentos envolvendo um sistema de preparo reduzido do solo (preparo do solo restrito às linhas de plantio) e o preparo convencional (preparo do solo de toda a área), este consorciado ou não com leguminosa para adubação verde. A mandioca, cultivar BGM-001 (aipim-bravo), plantada no espaçamento de 2,50 m x 0,50 m x 0,50 m, em fileiras duplas, foi colhida aos doze meses após o plantio. Foi utilizado o delineamento experimental inteiramente casualizado, introduzindo-se, ao final do quinto ciclo, o fator ano como repetição. Os resultados obtidos, após cinco anos de cultivos sucessivos na mesma área, mostraram que não houve diferenças de produção da mandioca entre os tratamentos testados, sendo que o preparo reduzido do solo proporcionou uma redução de 65% a 75% nos custos referentes à aração do solo, em relação ao preparo convencional.In a cassava (Manihot esculenta Crantz) experiment conducted in a yellow latossol, in Cruz das Almas, BA, Brazil, two tillage systems were compared: reduced tillage (soil preparation only in the planting rows) and conventional tillage (preparation of the whole area), the former being intercropped or not with a legume for green manure. The cassava cultivar BGM 001 ("aipim-bravo") planted in a 2.50 m x 0.50 m x 0.50 m double row spacing was harvested twelve months after planting. The experimental design was completely randomized, and years were taken as replications. The results after five years of continuous cultivation have shown no difference among the treatments for cassava root production, but the reduced tillage system gave a reduction of 65% to 75% on the costs of soil preparation, when compared to the conventional system

    Effects of Gamma Radiation on Essential Oils: A Review

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    γ-Radiation provides an effective alternative method to reduce or eliminate microbial contamination of medicinal herbs and other plant materials. However, a search in the literature is important to describe the effects of γ-radiation on the content and integrity of secondary metabolites from plants. The present work provides a review of the effects of γ-radiation on extraction yields and chemical composition of essential oils isolated from roots, rhizome and cortex, leaves, fruits, seeds, flowers, and whole plant. In addition, this review describes the effects of γ-radiation on terpenes. The informations in the present work may assist in research about essential oils and dose of γ-radiation that is able to biologically decontaminate without causing chemical changes in secondary metabolites. These reports in the literature can describe the behavior of many of these metabolites when subjected to various doses of radiation

    Enhancing Network Slicing Architectures with Machine Learning, Security, Sustainability and Experimental Networks Integration

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    Network Slicing (NS) is an essential technique extensively used in 5G networks computing strategies, mobile edge computing, mobile cloud computing, and verticals like the Internet of Vehicles and industrial IoT, among others. NS is foreseen as one of the leading enablers for 6G futuristic and highly demanding applications since it allows the optimization and customization of scarce and disputed resources among dynamic, demanding clients with highly distinct application requirements. Various standardization organizations, like 3GPP's proposal for new generation networks and state-of-the-art 5G/6G research projects, are proposing new NS architectures. However, new NS architectures have to deal with an extensive range of requirements that inherently result in having NS architecture proposals typically fulfilling the needs of specific sets of domains with commonalities. The Slicing Future Internet Infrastructures (SFI2) architecture proposal explores the gap resulting from the diversity of NS architectures target domains by proposing a new NS reference architecture with a defined focus on integrating experimental networks and enhancing the NS architecture with Machine Learning (ML) native optimizations, energy-efficient slicing, and slicing-tailored security functionalities. The SFI2 architectural main contribution includes the utilization of the slice-as-a-service paradigm for end-to-end orchestration of resources across multi-domains and multi-technology experimental networks. In addition, the SFI2 reference architecture instantiations will enhance the multi-domain and multi-technology integrated experimental network deployment with native ML optimization, energy-efficient aware slicing, and slicing-tailored security functionalities for the practical domain.Comment: 10 pages, 11 figure

    ATUALIZAÇÕES DOS EFEITOS COLATERAIS NEGATIVOS DECORRENTES DE CIRURGIA BARIÁTRICA

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    This study aims to expose and discuss the negative consequences that arise from bariatric surgery. The present study is an integrative literature review, being carried out from the research of the following Health Sciences Descriptors (DeCS): bariatric; surgery; side; effects. Of the articles found, only articles published in the year 2023 until the date of 12/08/2023 were selected, thus 30 articles were selected, where 21 were excluded for not fitting the objectives of the study and only 09 were analyzed for the production of the work. Bariatric surgery consists, in general terms, of removing part of the stomach and ends up modifying anatomically and physiologically other organs of the digestive system. contributing to the development of osteopenia, osteoporosis, iron deficiency anemia, megaloblastic anemia and other health problems in the postoperative period. In view of the information presented, it is necessary to gather scientific papers on the subject so that patients and health professionals become increasingly aware of this aspect of the surgical procedure. Este estudo tem por objetivo expor e debater as consequências negativas que surgem a partir de uma cirurgia bariátrica. O presente estudo é uma revisão integrativa da literatura, sendo realizado a partir da pesquisa dos seguintes Descritores em Ciências da Saúde (DeCS): bariatric; surgery; side; effects. Dos artigos encontrados foram selecionados apenas artigos publicados no ano de 2023 até a data de 12/08/2023, dessa forma foram selecionados 30 artigos, onde 21 foram excluídos por não se encaixarem nos objetivos do estudo e apenas 09 foram analisados para a produção do trabalho. A cirurgia bariátrica consiste, em termos gerais, na retirada de parte do estômago e acaba por modificar anatomicamente e fisiologicamente outros órgãos do sistema digestório, além disso tem alta eficácia na perda de peso, no entanto, possui efeitos adversos danosos à saúde do paciente, contribuindo para o desenvolvimento no pós-operatório de osteopenia, osteoporose, anemia ferropriva, anemia megaloblástica e dentre outros problemas de saúde. Tendo em vista as informações expostas, é necessário um apanhado de trabalhos científicos acerca do tema para que pacientes e profissionais de saúde se tornem cada vez mais conscientes desta face do procedimento cirúrgico. &nbsp

    Generalidades sobre o quadro clínico da Rinossinusite: uma revisão narrativa de literatura: Generalities about the clinical picture of Rhinosinusitis: a narrative literature reviewv

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    A rinossinusite é um processo inflamatório da mucosa dos seios paranasais e da cavidade nasal. O sistema nasossinusal é responsável pelo balanço adequado entre a fabricação e o clearence de muco nas cavidades paranasais. A fisiologia deste é de vital importância para a proteção das vias aéreas superiores. No advém, determinados fatores podem acarretar um desbalanço nesse complexo, consequentemente um processo inflamatório. Qualquer fator que altere a drenagem, seja por obstrução, maior produção ou espessamento do muco, como processo infecciosos ou alérgicos, haverá uma impactação de secreções e a facilitação de colonização bacteriana, dando início ao processo infeccioso. A identificação da inflamação do nariz e seios paranasais é basicamente clínica. A suspeição desta ocorre através da manifestação de dois ou mais sintomatologias. As quais são o bloqueio ou obstrução nasal, a descarga nasal, pressão ou dor facial e redução ou perda do olfato. De modo geral, é essencial à prevenção básica das rinossinusites agudas é barrar a infecção viral. O suporte inclui medidas gerais de higiene, alimentação e hidratação, imunização para o combate de vírus respiratórios , administração de fármacos para turbinar o sistema imune se necessário

    Ibicaba revisitada outra vez: espaço, escravidão e trabalho livre no oeste paulista

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    Ibicaba Farm, property of Senator Nicolau Pereira de Campos Vergueiro during the 19th century, was the subject of studies that focused on the experience with the sharecropping system. This article intends to undertake a revisit to Ibicaba through new lenses of observation. At first, it tries to insert Vergueiro's farm in the context of the changing World-economy of the first decades of the nineteenth century, and then highlight the importance of the spatial dimension of reality in this historical context. In the following two subitems, which constitute the core of the article, an analysis is made of the protocols - especially spatial - of control of the workers, used by the Vergueiros in order to extract the maximum of labor from slaves and sharecroppers, as well as the strategies that captives and immigrants used to escape from this surveillance. Finally, a brief recapitulation of the main points exposed and some considerations about the tensions that emerged in Ibicaba during the studied period are made.A Fazenda Ibicaba, propriedade do Senador Nicolau Pereira de Campos Vergueiro ao longo do século XIX, foi objeto de estudos que enfocaram a experiência com o sistema de parceria que ela abrigou. Este artigo pretende revisitar Ibicaba por meio de novas lentes de observação. Em um primeiro momento, buscar-se-á inserir a fazenda de Vergueiro no contexto de mudança pela qual a Economia-mundo passava nas primeiras décadas do Oitocentos para, em seguida, salientar a importância que a dimensão espacial da realidade cumpria nesse contexto histórico. Nos dois subitens seguintes, que constituem o núcleo do artigo, analisam-se os protocolos - sobretudo espaciais - de controle da mão de obra utilizados pelos Vergueiro, com vistas à máxima extração de trabalho de escravos e colonos, bem como as estratégias de que cativos e imigrantes lançaram mão para escapar dessa vigilância. Faz-se, ao fim, uma breve recapitulação dos principais pontos expostos e algumas considerações sobre as tensões que emergiram em Ibicaba durante o período estudado
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