bluuebunny/crossref_metadata_2025 huggingface dataset:
PENINGKATAN HASIL BELAJAR IPA PESERTA DIDIK KELAS IX-4 SMP NEGERI 1 TAKALAR MELALUI PENERAPAN MODEL PEMBELAJARAN DISCOVERY LEARNING
Authors: AISYAH AISYAH
Published: January 2023

This research is motivated by the fact that the learning outcomes of students in science subjects in class IX-4 SMPN 1 TAKALAR are still low. This is indicated by the learning outcomes of students who are still below the KKM. The Discovery Learning learning model can be an alternative to improve student learning outcomes. Therefore researchers are interested in conducting further research on the Discovery Learning learning model in improving student learning outcomes. The purpose of this study was to improve the science learning outcomes of class IX-4 students of SMPN 1 TAKALAR. The type of research used in this research is classroom action research. The subjects in this study were students in class IX-4 of SMPN 1 TAKALAR. Data collection techniques used are observation sheets, tests, and documentation. Based on the results of the research, it can be seen that the application of the Discovery Learning learning model can improve the science learning outcomes of students in class IX-4 SMPN 1 TAKALAR. From cycle 1, 50% classical learning completeness was obtained, with an average value of 64.67 and cycle II obtained 90% classical learning completeness with an average value of 82.00. Thus it can be concluded that by applying the Discovery Learning learning model it can improve the science learning outcomes of students in class IX-4 SMPN 1 TAKALAR.
ABSTRAKPenelitian ini dilatarbelakangi oleh kenyataan masih rendahnya hasil belajar peserta didik pada mata pelajaran IPA di kelas IX-4 SMPN 1 TAKALAR. Hal ini ditunjukkan dengan hasil belajar peserta didik masih dibawah KKM. Model pembelajaran Discovery Learning dapat menjadi alternatif untuk meningkatkan hasil belajar peserta didik. Oleh karena itu peneliti tertarik untuk melakukan penelitian lebih lanjut mengenai model pembelajaran Discovery Learning dalam meningkatkan hasil belajar peserta didik. Tujuan penelitian ini adalah untuk meningkatkan hasil belajar IPA peserta didik kelas IX-4 SMPN 1 TAKALAR. Jenis penelitian yang digunakan dalam penelitian ini adalah penelitian tindakan kelas. Subjek dalam penelitian ini adalah peserta didik kelas IX-4 SMPN 1 TAKALAR. Teknik pengumpulan data yang digunakan adalah lembar observasi, tes, dan dokumentasi. Berdasarkan hasil penelitian, maka dapat diketahui bahwa dengan penerapan model pembelajaran Discovery Learning dapat meningkatkan hasil belajar IPA peserta didik kelas IX-4 SMPN 1 TAKALAR. Dari siklus 1 diperoleh ketuntasan belajar klasikal 50%, dengan nilai rata-rata 64,67 dan siklus II diperoleh ketuntasan belajar klasikal 90% dengan nilai rata-rata 82,00. Dengan demikian dapat diambil kesimpulan bahwa dengan penerapan model pembelajaran Discovery Learning dapat meningkatkan hasil belajar IPA peserta didik kelas IX-4 SMPN 1 TAKALAR.
PENERAPAN METODE GROUP INVESTIGATION DALAM MENINGKATKAN HASIL BELAJAR MATEMATIKA MATERI KONSEP TRANSLASI DAN REFLEKSI TERHADAP MATRIKS TRANSFORMASINYA
Authors: PRIBADI SURYANINGTYAS
Published: January 2023

This study aims to improve mathematics learning outcomes regarding the concepts of translation (shift) and reflection (reflection) of the transformation matrix. This research is a research study that applies the group investigation method. The background for this research was due to a lack of conceptual understanding of transformation material, so that the acquisition of student learning outcomes for translation and reflection material was very low. This research was conducted in 2 cycles. The results analysis technique was carried out qualitatively in the form of test results. The objectives to be achieved in this research include: (1) Knowing the implementation of the group investigation method in improving mathematics learning outcomes for students, (2) Knowing the increase in student learning outcomes with the group investigation method for students. The instrument used was class XI IPS students with 36 students as research subjects. Prior to the administration of the group investigation method the number of students who completed only reached 12 people with an average of 57.14, whereas after using the group investigation method the number of students who completed as many as 33 people with an average of 74.72. This means that the group investigation method is effectively used to improve student learning achievement in the material of the concept of translation (shift) and reflection (reflection) of the transformation matrix.
ABSTRAKPenelitian ini bertujuan dalam meningkatkan hasil belajar matematika mengenai konsep translasi (pergeseran) dan refleksi (pencerminan) terhadap matriks transformsinya. Penelitian ini adalah penelitian penelitian yang menerapkan metode group investigation. Latar belakang dilakukannya penelitian ini karena kurangnya pemahaman konsep tentang materi transformasi, sehingga perolehan hasil belajar siswa untuk materi translasi dan refleksi sangat rendah. Penelitian ini dilakukan sebanyak 2 siklus. Tekhnik analisis hasil dilakukan secara kualitatif berupa hasil tes. Tujuan yang akan dicapai pada peneltian ini antara lain: (1) Mengetahui pelaksanaan metode group investigation dalam meningkatkan hasil belajar matematika pada peserta didik, (2) Mengetahui peningkatan hasil belajar siswa dengan metode group investigation pada pesert didik. Instrumen yang digunakan adalah peserta didik kelas XI IPS dengan subjek penelitian 36 peserta didik. Sebelum diberikannya metode group investigation jumlah peserta didik yang tuntas hanya mencapai 12 orang dengan rata-rata 57,14, sedangkan setelah menggunakan metode group investigation jumlah peserta didik yang tuntas sebanyak 33 orang dengan rata-rata 74,72. Artinya metode group investigation efektif di gunakan untuk meningkatkan prestasi belajar peserta didik pada materi Konsep translasi (pergeseran) dan refleksi (pencerminan) terhadap matriks transformasinya.
PENINGKATAN HASIL BELAJAR IPA MELALUI MODEL PEMBELAJARAN TUTOR SEBAYA SISWA SMP NEGERI 7 BENGKALIS
Authors: MAZLAHIDAR MAZLAHIDAR
Published: January 2023

This research is classroom action research using a peer tutor learning model to improve physics learning outcomes. Peer tutor learning is a learning that utilizes classmates who have more ability to help their friends in carrying out an activity or understanding the concept of learning. The problem to be solved is the low physics learning outcomes of class IX B in SMP Negeri 7 Bengkalis. This study consisted of three cycles, in each cycle consisting of four stages, namely Planning, Implementation, Observation and Reflection. This research involved 28 students which are consisting of 13 female students and 15 male students. In the pre-cycle process, the percentage of learning completeness was 35,71 % with a student absorption rate of 56.61%, then after learning the first cycle using the peer tutoring model there was an increase in the percentage of learning completeness to 53,57 % with a student absorption rate of 70,71 %. In the second cycle, it succeeded in achieving the percentage of learning completeness of 75,00 % with a student absorption rate of 80,86 %. The results showed that an increase in student learning outcomes along with the application of peer tutoring models. Thus, the results of the study indicate that the use of peer tutoring models can improve the physics learning outcomes of IX B students in SMP Negeri 7 Bengkalis.
ABSTRAKPenelitian ini merupakan penelitian tindakan kelas (PTK) dengan menerapkan model pembelajaran tutor sebaya untuk meningkatkan hasil belajar IPA. Pembelajaran tutor sebaya adalah pembelajaran yang memanfaatkan teman sekelas yang mempunyai kemampuan lebih untuk membantu temannya dalam melaksanakan suatu kegiatan atau memahami konsep pembelajaran. Masalah yang hendak dipecahkan adalah rendahnya hasil belajar IPA kelas IX B di SMP Negeri 7 Bengkalis. Penelitian ini terdiri dari dua siklus, pada setiap siklus terdiri dari empat tahapan, yaitu Perencanaan, Pelaksanaan, Observasi dan Refleksi. Penelitian ini melibatkan 28 orang siswa kelas IX B SMP Negeri 7 Bengkalis yang terdiri dari 13 siswa perempuan dan 15 siswa laki-laki. Pada proses prasiklus, persentase ketuntasan belajar sebesar 35,71 % dengan daya serap siswa sebesar 56,61 %, kemudian setelah dilaksanakan pembelajaran siklus 1 dengan menggunakan model tutor sebaya ada peningkatan persentase ketuntasan belajar menjadi 53,57 % dan daya serap siswa sebesar 70,71 %. Pada siklus 2 berhasil mencapai persentase ketuntasan belajar 75,00 % dengan daya serap siswa sebesar 80,86 %. Hasil penelitian menunjukkan bahwa terjadi peningkatan hasil belajar siswa seiring dengan diterapkannya model tutor sebaya. Dengan demikian, hasil penelitian menunjukkan penerapan model tutor sebaya dapat meningkatkan hasil belajar IPA siswa kelas IX B SMP Negeri 7 Bengkalis.
La occidentalización de la pintura japonesa: auge y consolidación del yōga
Authors: Romero-Leo Jaime
Published: January 2023

El presente artículo tiene como fin establecer un acercamiento a la evolución y auge del yōga en relación a los profundos cambios que la sociedad japonesa fue experimentando a lo largo del siglo XIX, y que fueron considerados en buena medida como un proceso de occidentalización del país. De este modo, no debe entenderse al yōga como el resultado de la mezcla entre tradición japonesa y modernidad occidental, sino más bien como la superposición de lo segundo respecto a lo primero. Es precisamente en este punto en donde radica su singularidad histórica: el yōga se trató de una corriente pictórica japonesa cuya intención, paradójicamente, fue la de distanciarse todo lo posible del entorno artístico japonés para abrazar el europeo. Para llevar a cabo el análisis se tomarán en cuenta las obras de los tres artistas más influyentes en la evolución de esta corriente, Shiba Kōkan, Takahashi Yūichi y Kuroda Seiki, así como el contexto histórico y académico en el que desarrollaron sus trabajos.
Arquitectura fisiológica. Propuestas artísticas para hábitats futuros
Authors: Salgado-de la Rosa María Asunción , Raposo-Grau Javier F. , Butragueño Belén
Published: January 2023

Si la fisiología es la ciencia que estudia las funciones de los seres orgánicos, entendemos la arquitectura fisiológica como la disciplina que diseña el espacio atendiendo a las necesidades no visibles del cuerpo humano. De carácter especulativo, muchas de estas arquitecturas permanecen confinadas en círculos artísticos a pesar de su sólida base científica. Se trata de propuestas espaciales que explotan la dimensión oculta, al tiempo que, como espectadores, nos hacen reflexionar sobre las condiciones de nuestro entorno. Equipos como Diller Scofidio + Renfro, Fabric o Philippe Rahm considerado nos solo pionero sino uno de los máximos exponentes de esta arquitectura, nos brindan un enfoque alternativo al modelo habitable contemporáneo. Este artículo repasa el pasado y el presente de esta arquitectura, a través del análisis crítico de una selección de propuestas desarrolladas en los últimos veinte años.
Una aproximación macroscópica al ecosistema galerístico neoyorquino (1905-1995)
Authors: Ortiz-Tello María
Published: January 2023

Nueva York se presenta como un caso de estudio ideal para los análisis de distritos culturales, pues a lo largo de todo el siglo xx las galerías de arte, entre otras instituciones, localizadas en la ciudad han conformado clústeres activos y muy representativos. En consecuencia, este artículo se propone analizar cuáles fueron y cómo se distribuyeron, tanto a nivel espacial como temporal, las distintas galerías neoyorquinas a lo largo del siglo xx desde una perspectiva macroscópica, observando las dinámicas de origen, desarrollo y desaparición de los clústeres galerísticos neoyorquinos, elucidando cuáles fueron sus principales focos.
Academic libraries and their legal obligation for content accessibility
Authors: Wentz Brian , Gorham Ursula , Jaeger Paul T.
Published: January 2023

U.S. academic libraries exist in an unusual space, as they are both providers of access to computers, the Internet, and databases and electronic products, and producers of electronic content through digital repositories and electronic journals. They are part of larger organizations, yet the other parts of these larger organizations are not libraries or even library-related. In addition, there are factors — beyond merely decision-making processes — that make accessibility a far more fraught concern for academic libraries. U.S. academic libraries are also influenced by the policies of new media content creators that maximize their profits through streaming on their own platforms. Further, academic libraries have taken on new roles related to information access, including the collation and distribution of electronic materials through campus digital repositories of preprints, theses, and other works created by faculty, staff, and students. Moreover, in some cases, libraries have stepped into the role of publisher, particularly with respect to open-access electronic journals. For people with disabilities, accessibility in all of these facets is essential for their ability to be equal users of the library. These various roles of academic libraries create a distinct set of legal, technological, and ethical pressures related to ensuring accessibility for individuals with disabilities, which will be explored in this article, along with the potential for academic libraries to become leaders in accessibility in libraries and in broader society.
Definition drives design: Disability models and mechanisms of bias in AI technologies
Authors: Newman-Griffis Denis , Rauchberg Jessica Sage , Alharbi Rahaf , Hickman Louise , Hochheiser Harry
Published: January 2023

The increasing deployment of artificial intelligence (AI) tools to inform decision-making across diverse areas including healthcare, employment, social benefits, and government policy, presents a serious risk for disabled people, who have been shown to face bias in AI implementations. While there has been significant work on analysing and mitigating algorithmic bias, the broader mechanisms of how bias emerges in AI applications are not well understood, hampering efforts to address bias where it begins. In this article, we illustrate how bias in AI-assisted decision-making can arise from a range of specific design decisions, each of which may seem self-contained and non-biasing when considered separately. These design decisions include basic problem formulation, the data chosen for analysis, the use the AI technology is put to, and operational design elements in addition to the core algorithmic design. We draw on three historical models of disability common to different decision-making settings to demonstrate how differences in the definition of disability can lead to highly distinct decisions on each of these aspects of design, leading in turn to AI technologies with a variety of biases and downstream effects. We further show that the potential harms arising from inappropriate definitions of disability in fundamental design stages are further amplified by a lack of transparency and disabled participation throughout the AI design process. Our analysis provides a framework for critically examining AI technologies in decision-making contexts and guiding the development of a design praxis for disability-related AI analytics. We put forth this article to provide key questions to facilitate disability-led design and participatory development to produce more fair and equitable AI technologies in disability-related contexts.
ACCESS SERVER: Dreaming, practicing and making access
Authors: MELT (Ren Loren Britton and Iz Paehr)
Published: January 2023

ACCESS SERVER is an e-mail server that anonymizes, collects and financially compensates access requests that disabled people send to cultural institutions. This design research project pushes institutions towards caring for disability access, and upholds disabled knowledges that are currently underdiscussed, underpaid and not cared for by cultural institutions in Europe. In line with the UN Disability Treaty from 2016, ACCESS SERVER supports cultural institutions in transforming their practices so that accessibility is cared for. In this paper, we conceptualize ACCESS SERVER in relation to access, ableism and direct and indirect discrimination. We tend to conflicts, questions, and frictional anti-assimilationist crip technoscience (Hamraie and Fritsch, 2019) perspectives, and locate friction and its relation to heat as a link through technical practices that take shape against ableist cultural institutional infrastructures. In analyzing frictional experiences that emerged when institutional workers encountered the concepts around ACCESS SERVER and our demands for access, we identify three key barriers to partnership building between disabled people and institutions on the basis of our experiences with a European cultural institution: lack of accountability, lack of engagement and barrier guilt. Finally, we discuss technical-financial questions to realize ACCESS SERVER
This patient is a hidden messenger: NF2, watchful waiting, and records of care
Authors: DiBella Samuel
Published: January 2023

“Watchful waiting” is a medical approach that delays radical intervention, like surgery, but depends on regular imaging and patient self-scrutiny. To explore its social effects in a single case, I conducted an autoethnography of my patient archive from my diagnosis and 17 years of watchful-waiting treatment for neurofibromatosis, type II, a genetic disorder. I show how watchful waiting encourages self-surveillance and the stress it causes. I also discuss how the personal medical archive, with its complicated structure of reports, CDs, and notes, is a tool for communication as well as a cause of moral obligation for the patient. I contrast these uses with information studies of medical records that focus on records’ collaborative use within medical institutions. I conclude that my case has been held in stasis, reinforced by diagnostic surveillance that I participate in, due to the vagueness of “watchful waiting” as a treatment protocol and the uncertainty of more invasive treatments themselves. Through this study, I recenter patients and their needs in the discussion of medical archives and contribute to the collective recognition of disability through the genre of the illness narrative and the method of archival ethnography. I consider how my results conflict with general calls for “open notes” in medical care and cultures of life-logging and -tracking.
Concept of sustainable development of metallurgy of Ukraine. Condition, experience, prospects
Authors:   Iron and Steel Institute, National Academy of Sciences of Ukraine, Tuboltsev L. , Prygunova A. , Narivskyi A. , Petrenko V.
Published: January 2023

Колективна монографія містить широке коло питань розвитку чорної металургії, які розглядаються в контексті теоретичних, економічних та технологічних особливостей сучасного стану та еволюції. Аналізуються підходи та способи забезпечення сталого розвитку гірничо-металургійного комплексу України в умовах світового та вітчизняного виробництва металопродукції, а також відновлення металургії України після її руйнації внаслідок воєнної агресії РФ. Розглянуто сучасні металургійні процеси та інноваційні технології управління сталим розвитком. Представлено методичні розробки щодо аналізу виробництва, моделювання і прогнозу очікуваних перспектив. У кожному розділі наведено цілі та результати досліджень металургійних процесів, а також список рекомендованих бібліографічних посилань. Книга призначена для широкого кола фахівців чорної металургії та суміжних з нею спеціальностей, а також студентів металургійних, економічних і адміністративних профілів вищих навчальних закладів.
REMOTE SURVEILLANCE: A MEANS OF INTELLIGENCE GATHERING FOR MINIMIZING SECURITY CHALLENGES IN NIGERIA
Authors: Shehu Anas , Aliyu Kangiwa Hadiza , Sani Abubakar
Published: January 2023

Nowadays, national security issues are increasing day by day in most countries. A multitude of measures to reduce the challenges have been presented and even implemented by many authors, but without exhaustive results. The use of computers and sophisticated IT tools by the terrorist group, increasing number of citizens, lack of social amenities and other factors have made some of them inadequate enough to control the problems in Nigeria. The purpose of this paper is to highlight national security challenges in Nigeria and how security oversight is operated. To achieve this, the authors analyze available secondary data, investigating national security modus operandi and presenting the general concept of surveillance. Related works were also investigated for discussion. Remote surveillance, wiretapping, geospatial intelligence and a consolidated national database are proposed to achieve digital intelligence collection for insecurity management.
Development of an Operational Satellite-Based Flood Monitoring Model for Tanzania
Authors: Kimati Andrew , Munishi Subira , Kongo Victor
Published: January 2023

Timely information during water related disasters is of utmost importance for flood preparedness and risk reduction. Real time observation and monitoring of flooded areas is an expensive and time-consuming exercise. Satellite remote sensing is a quick and affordable approach that can be used for concurrent floods detection at different scales. This is important as it facilitates timely information for emergency response to disaster management departments, even in scarcely instrumented catchments. This study presents a novel approach for flood tracking using satellite technology to map flood affected areas. An open-source water detection algorithm is developed that employs readily available satellite images and the Google Earth Engine (GEE) platform. Dar es Salaam and Singida regions in Tanzania were used as the case study for validation of the proposed approach. Use is made of Sentinel-1 satellite images and GEE coding. The after-flood tracking GEE code was validated with the physical flood extent markers and after-event flood extent survey points of the regions provided by the Ministry of Water (MoW). The findings reveal that the approach supports mapping flood extent areas by giving promising results after the satisfaction from validated data. Relevant parameters were then coded in order to develop the flood map of Tanzania. The findings of this study demonstrate the usefulness of open-source GEE in rapid flood inundation mapping.
Temas metropolitanos selectos: vivienda, espacio público y patrimonio
Authors: Acosta Pérez Eva , Afonso de Albuquerque e Melo Alcilia , Andrade de Moraes Demóstenes , Barbosa Bomfim Leticia , Bezerra de Miranda Lívia Izabel , Chávez Vega Juan Carlos , Chong Garduño María Concepción , Da Silva Lima Jobson Brunno , García Jiménez Luisyvania , Guerrero Hernández Daniel Arturo , Jiménez Montano Mayra , León Lira María del Rosario , Lezama García Yahir Eduardo , Lira dos Anjos Kainara , Lira Rocas María del Rosario , Luna de Ledesma Katia Jazmín , Martí Capitanachi Daniel Rolando , Melgarejo Ochoa Ezequiel , Mendoza Kaplan Laura , Muñoz Hernández Anabell , Parga Vázquez Andrea María , Sánchez García Juan Andrés , Santos Pereira Ivanilson , Soriano Ramírez Camila Marcela , Uehara Guerrero Ma Guadalupe Noemi , Velázquez Ruiz Arturo
Published: January 2023

El libro se adentra en el análisis de problemáticas que cobran dimensión e importancia distinta a la habitual al ubicarse en el contexto de la metrópoli, ya sea por las razones administrativas que ello implica, ya por la complejidad de la raigambre social y cultural que acompaña a cada una de las partes que construyen el fenómeno metropolitano. Se trata de una visión académica y crítica que se sitúa como testigo de la noción contemporánea de lo urbano desde la perspectiva de sus componentes: vivienda, espacio público y patrimonio edificado. Asume que la construcción del futuro depende del cabal entendimiento de una cuestión compleja que se debe imaginar, gestionar y construir desde la cooperación solidaria de todos los actores intervinientes en los procesos cotidianos, en respeto y armonía con el territorio, el medio natural, los valores y afectos locales, además del conocimiento y aplicación de las tecnologías y herramientas actuales. Aborda lo metropolitano desde diferentes escalas de sitio: el lugar de actuación urbana a pequeña escala, el barrio, la ciudad y la región. Entiende que lo metropolitano es en sí la suma de diversas características urbanas que se agregan para construir un todo que es vivido y entendido de manera distinta y subjetiva. Esta obra compila una síntesis académica inacabada que deja interrogantes abiertas para poder ser continuadas en indagatoria y reflexión, permite el intercambio de voces y pensamientos entre investigadores de distintas corrientes y nacionalidades. Despierta la curiosidad y el ánimo de seguir investigando.
Внешние дифференциальные системы стохастической динамики
Authors: Телкова Светлана Анатольевна
Published: January 2023

В работе рассматривается геометрия стохастических дифференциальных уравнений. На основе корреляционных соотношений для средних значений Винеровского процесса предлагается расширение распределения Картана. Несмотря на особенности, переплетающие независимые переменные, данное распределение допускает существование полей Ли и их лифты. Геометрическая постановка задачи вариационного исчисления предполагает использование распределения Картана в качестве неголономной связи и введения дифференциальной 1-формы импульса как множителя Лагранжа. На основе этого в рабoте получено уравнение Эйлера – Лагранжа, реализующее уравнение Ито как экстремаль некоторого функционала, а также система уравнений Якоби в гамильтоновой форме.
Osmotic dehydration influence on marking nut (Semecarpus anacardium)
Authors:   College of Horticulture, Bidar- 585 403, UHS, Bagalkot, Karnataka, India, . Mangesh , N Srinivas ,   College of Horticulture, Bidar- 585 403, UHS, Bagalkot, Karnataka, India, Patil Anand G ,   College of Horticulture, Bidar- 585 403, UHS, Bagalkot, Karnataka, India, K. S. Tippanna ,   College of Horticulture, Bidar- 585 403, UHS, Bagalkot, Karnataka, India, Patil S V ,   College of Horticulture, Bidar- 585 403, UHS, Bagalkot, Karnataka, India
Published: January 2023

Marking nut (Semecarpus anacardium) is one of the underutilized minor crops growing wildly in our country. This fruit has got great medicinal properties and health benefits. But its importance is not completely understood and the fruits go waste. Therefore, it is necessary to develop value-added products and osmotically dehydrated fruits have good potential. The inclusion of an osmotic process in conventional dehydration has two major advantages quality improvement and energy savings. There was a significant difference found in the samples prepared from different pretreatments of osmotic dehydration. Osmotic pretreatment T3 (Sucrose 60º Brix. + 18 hrs of immersion + Drying at 60º C) had a great influence on the quality and organoleptic properties of the fruits with maximum solid gain (86.40 %), carbohydrates (75.78 %) and minimum scores for moisture (13.60 %). Also, the highest scores for organoleptic parameters like colour (4), appearance (4), texture (3.75) and taste (3.75) were recorded in the same sample.
Phytochemical and antibacterial activity of stem bark extract of Cordia africana Lam.
Authors:   Department of Chemistry, Faculty of Science, Abdu Gusau Polytechnic Talata Mafara, Zamfara State, Nigeria., A.A. Salaudeen, , S.M. Dangoggo, ,   Department of Chemistry, Faculty of Science, Usmanu Danfodiyo University Sokoto, Sokoto State, Nigeria., U.Z. Faruq, ,   Department of Chemistry, Faculty of Science, Usmanu Danfodiyo University Sokoto, Sokoto State, Nigeria., H.E. Mshelia, ,   Department of Pharmaceutical Sciences, Usmanu Danfodiyo University Sokoto, Sokoto State, Nigeria.
Published: January 2023

Traditional African medicine treats microbiological infections with Cordia africana. The maceration method was used to extract powder samples in stages using hexane, chloroform, ethyl acetate and methanol. The presence of carbohydrates, anthraquinones, phenols, proteins, amino acids, saponins, tannins, flavonoids, alkaloids and triterpenoids/steroids were tested in the extracts by conventional phytochemical screening. The study provides evidence-based support for the use of Cordia africana by healers in the treatment of microbial diseases and has the potential to be used in medicine.
Genetic variability in heat tolerant maize (Zea mays L.) hybrids and their parents for yield and grain quality traits
Authors:   Department of Genetics and Plant Breeding, University of Agricultural Sciences, Raichur-584104, Karnataka, India, Ashwini Ashwini , Sowmya H. C. ,   Department of Genetics and Plant Breeding, University of Agricultural Sciences, Raichur-584104, Karnataka, India, Kuchanur Prakash H. ,   Department of Genetics and Plant Breeding, University of Agricultural Sciences, Raichur-584104, Karnataka, India, Beladhadi R. V. ,   Department of Biochemistry, University of Agricultural Sciences, Raichur-584104, Karnataka, India, Lokesha R. ,   Department of Genetics and Plant Breeding, University of Agricultural Sciences, Raichur-584104, Karnataka, India, Patil Ayyanagouda ,   Department of Molecular Biology and Agricultural Biotechnology, University of Agricultural Sciences, Raichur-584104, Karnataka, India, Zaidi P.H. ,   International Maize and Wheat Improvement Centre (CIMMYT)-Asia, c/o ICRISAT, Patancheru, Hyderabad-502324, Telangana, India, Vinayan M.T. ,   International Maize and Wheat Improvement Centre (CIMMYT)-Asia, c/o ICRISAT, Patancheru, Hyderabad-502324, Telangana, India, Seetharam K. ,   International Maize and Wheat Improvement Centre (CIMMYT)-Asia, c/o ICRISAT, Patancheru, Hyderabad-502324, Telangana, India
Published: January 2023

The present investigation was carried out to estimate genetic variability, heritability and GAM in inbred lines and hybrids. ANOVA indicated the availability of considerable variation for all the characters among inbred lines and hybrids except for ASI. PCV was higher than the GCV for all the characters. In inbred lines, important traits like plant height, number of grains per row, number of grains per cob, 1000-grain weight, grain yield per plant, dietary fibre, and β-carotene exhibited high PCV and GCV along with high heritability and GAM. Whereas, hybrids showed high values of PCV and GCV for ASI, phytic acid and high heritability coupled with high GAM were observed for traits like ASI, plant height, number of grains per row, number of grains per cob, shelling percentage, grain yield per plant, protein, dietary fibre, and β-carotene indicating the presence of variability in inbred lines and hybrids for these traits. Hence, simple selection for these traits in early generations for developing heat-tolerant maize lines can be practised.
PENDETEKSIAN KECURANGAN LAPORAN KEUANGAN BERBASIS FRAUD TRIANGLE MELALUI KUALITAS AUDIT SEBAGAI PEMODERASI
Authors: Sintabela Devi , Badjuri Achmad
Published: January 2023

This study aims to determine the effect of financial stability, external pressure,ineffective supervision, and rationalization as independent variables from the fraudtriangle on fraudulent financial reporting with moderated audit quality. Thisresearch uses banking company objects listed on the Indonesia Stock Exchange in2019-2021. The sample selection used purposive sampling by producing 75samples. The results show that only financial stability has a negative effect onfraudulent financial statements proxied by earnings management. External pressurevariables, ineffective supervision, and rationalization have no effect on fraudulentfinancial reporting. Audit quality as a moderating variable is unable to moderatethe effect of all independent variables on fraudulent financial statements.
Colonização micorrízica de videiras cultivadas em sistemas orgânico e convencional no estado de Santa Catarina
Authors: Bettoni Jean Carlos , Costa Murilo Dalla , Dambrós Remi Natalim , Becegato Valter Antônio , Souza Juliana Aparecida
Published: January 2023

Resumo – Indicadores microbiológicos são utilizados para avaliação da qualidade do solo e comparação de formas de manejoem sistemas de produção agrícolas. O objetivo do trabalho foi avaliar colonização micorrízica de videiras em sistemas deprodução com manejo orgânico e convencional nos municípios de Tangará e Videira, SC. Foram avaliadas taxas de colonizaçãomicorrízica e densidade de esporos de fungos micorrízicos no solo. Nos sistemas orgânicos, em relação aos sistemas convencionais,foram constatados aumentos na taxa de micorrização do córtex radicular e na densidade de esporos de fungos micorrízicosarbusculares no solo. Os resultados sugerem que variáveis associadas à colonização micorrízica podem ser utilizadas comoindicadores microbiológicos para avaliação da qualidade do solo em vinhedos.
Análise dos critérios de compra de sêmen bovino pelos órgãos públicos do Oeste Catarinense.
Authors: Broch Viviane , Cucco Diego de Córdova , Ferreira Rogério , Portes Vagner Miranda , Thaler Neto André
Published: January 2023

Resumo: Muitos municípios do Oeste Catarinense possuem programas de inseminação artificial com o intuito de melhorarseus rebanhos leiteiros. Este trabalho teve como objetivo analisar os critérios estabelecidos pelos órgãos públicos paraaquisição de sêmen de bovinos leiteiros. Analisaram-se 23 editais de compra de sêmen de municípios das microrregiões de Chapecó, Concórdia e Xanxerê, entre outros do Oeste de Santa Catarina. Encontraram-se critérios como confiabilidade, PTA para produção de leite, gordura, proteína, contagem de células somáticas, características morfológicas (tipo, composto de úbere, composto de pernas e pés, entre outras), controle de genealogia. Concluiu-se que alguns critérios poderiam ser mais bem direcionados a fim de promover o melhoramento genético.
O valor nutracêutico da cebola
Authors: Gonçalves Paulo Antonio de Souza , Menezes Junior Francisco Olmar Gervini de , Vieira Neto João
Published: January 2023

Resumo: A cebola é uma das principais fontes de antioxidantes entre as frutas e hortaliças consumidas no Brasil. A importância nutracêutica da cebola, principalmente, às substâncias antioxidantes, como quercetina e tióis. Essas substâncias apresentam efeito na redução de inflamações, alergias e doenças virais e na prevenção de câncer, catarata e doenças cardiovasculares. O cultivar de cebola Bola Precoce, desenvolvido pela Epagri, apresentou teor de quercetina relativamente alto em análise realizada pelo CNPH, Embrapa. A Epagri realizou análises da composição mineral em bulbos de cebola produzidos na Estação Experimental de Ituporanga e por alguns agricultores da região do Alto Vale do Itajaí, SC. Os teores de nutrientes minerais nos bulbos foram superiores aos apresentados na Tabela Brasileira de Composição de Alimentos. Portanto, a qualidade da cebola produzida no alto Vale do Itajaí, em termos minerais, foi satisfatória.
Estimativas de perdas na agricultura por chuvas excessivas no Alto Vale do Rio Itajaí em 2015
Authors: Ricce Wilian da Silva , Padrão Glaucia de Almeida , Trabaquini Kleber , Alves João Rogério , Reiter Janice Maria Waintuch
Published: January 2023

Resumo: A agropecuária é muito afetada pelas condições climáticas e seus eventos extremos. Os objetivos deste estudo foram caracterizar o evento de excesso de chuvas em setembro e outubro de 2015 causado pelo fenômeno El Niño e estimar as perdas agrícolas na região do Alto Vale do Itajaí, em Santa Catarina. Foram aplicados questionários estruturados aos extensionistas sobre as perdas econômicas nas principais culturas agrícolas da região de estudo. As lavouras mais prejudicadas foram cebola, fumo, milho, arroz e feijão. Cebola e fumo tiveram redução de cerca de 55% e 7,5% da produção do Estado respectivamente.
Importância dos minerais para bovinos de corte criados à base de pasto no Planalto Sul Catarinense
Authors: Rech Ângela Fonseca
Published: January 2023

Resumo: Conhecer a importância dos minerais para bovinos de corte é uma preocupação que todo produtor e todo técnico da área deveriam ter. Animais criados no campo estão sujeitos a desenvolver deficiências nutricionais que limitam seu desempenho e reduzem o lucro do criador. Neste informativo são apresentadas algumas informações importantes para a correta mineralização do rebanho de corte criado em pastagens no Planalto Sul Catarinense.
SCS121 CL no sistema Clearfield® de produção de arroz irrigado: Manejo da lavoura para semeadura em lâmina d’água e em solo seco
Authors: Schiocchet Moacir Antonio , Noldin José Alberto , Eberhardt Domingos Sávio
Published: January 2023

Resumo: O arroz-daninho, também conhecido como arroz-vermelho, é a planta daninha que causa os maiores prejuízos à orizicultura catarinense. Além da redução da produtividade, devida à elevada estatura e arquitetura das plantas, provoca acamamentos do arroz na lavoura, aumenta o custo do beneficiamento industrial, deprecia o produto final e reduz o valor da terra pela infestação do solo. O sistema de produção Clearfield® é uma importante alternativa de controle do arroz-vermelho, bem como de outras plantas daninhas que ocorrem em lavouras de arroz irrigado, com herbicidas que não são seletivos ao arroz sem o gene de resistência. Os principais componentes desse sistema são as variedades de arroz resistentes, os herbicidas recomendados, o emprego de semente certificada e o monitoramento permanente da lavoura. A Epagri, através da Estação Experimental de Itajaí, registrou e protegeu o cultivar SCS121 CL, de segunda geração, por apresentar alta resistência aos herbicidas do grupo das imidazolinonas e adequação ao cultivo, tanto com sementes pré-germinadas em lâmina d’água como em solo drenado. Esse cultivar foi lançado para cultivo comercial para a safra 2014/15 e disponibilizado para a produção de grãos na safra 2015/16.
Ação de inseticidas botânicos sobre o curuquerê-da-couve
Authors: Ribeiro Leandro do Prado , Sapper Biermann Ana Cristina , Dorneles Mariane Paludette , Vendramim José Djair
Published: January 2023

Resumo: Ascia monuste orseis (Lepidoptera: Pieridae) é uma praga-chave de brassicáceas, cujo controle ainda carece de informações sobre ferramentas alternativas de manejo. Assim, este estudo avaliou, inicialmente em condições de laboratório, a atividade ovicida e larvicida de extratos aquosos de sete espécies vegetais e de um bioinseticida à base de limonoides (DalNeem®) diante dessa praga. Além disso, também foi avaliada a ação antialimentar dos tratamentos em testes com e sem chance de escolha. DalNeem® e extratos aquosos de pó de fumo (Nicotiana tabacum), de eucalipto (Eucalyptus tereticornis) e de timbó (Ateleia glazioveana) reduziram a viabilidade de ovos, sendo o extrato de pó de fumo o tratamento com maior atividade ovicida. Por sua vez, o extrato de pó de fumo e DalNeem® apresentaram a maior ação larvicida via ingestão. Todos os derivados botânicos testados causaram efeito antialimentar para o curuquerê-da-couve. Em teste no campo, o extrato aquoso de pó de fumo apresentou eficácia similar a um inseticida sintético à base de deltametrina (Decis® 25CE). Dessa forma, o extrato aquoso de pó de fumo e o inseticida botânico DalNeem® apresentam potencial para ser utilizados no manejo de A. monuste orseis.
SCS424 Fortunato – cultivar de pessegueiro de baixa exigência de frio hibernal
Authors: Bruna Emilio Della , Moreto Alexsander Luis , Dalbó Marco Antônio , Petry Henrique Belmonte
Published: January 2023

Resumo: O cultivar de pessegueiro SCS424 Fortunato foi obtido pelo Programa de Melhoramento Genético da Epagri/Estação Experimental de Urussanga, localizada no município de Urussanga, estado de Santa Catarina. Teve origem com a coleta e germinação de sementes de polinização aberta de uma população F₁ proveniente do cruzamento entre os cultivares Ouromel 4 (progenitor feminino) e ‘Pampeano’ (progenitor masculino). Esse cultivar apresenta adaptação para regiões com aproximadamente 150 horas de frio hibernal abaixo de 7,2°C e sem ocorrência de geadas tardias. O cultivar é suscetível a Xanthomonas arborícola pv. pruni, sendo necessário seu plantio em locais abrigados de ventos. Os frutos são de polpa branca, baixa acidez e tamanho comercial padrão. É recomendado para plantio na região Sul de Santa Catarina, em locais com altitudes acima de 200 metros e para outras regiões do Sul do Brasil, com similaridade climática.
Influência da origem da semente, espaçamento e época de plantio na produção e qualidade da palha de sorgo-vassoura
Authors: Foltran Dulcineia Elizabete , Tavares Sílvio
Published: January 2023

Resumo: A produção e a qualidade das panículas de sorgo-vassoura cultivar Tietê, cujas plantas foram provenientes de panículas de diversos tipos e cultivadas em duas densidades de semeadura (0,6 e 0,8m entre linhas), foram avaliadas em cultivos de verão e outono. Os resultados obtidos mostraram que a época de semeadura influenciou a produção de palha e de semente nas duas densidades e que a origem da semente teve efeito significativo apenas na menor densidade de plantio, afetando a produção de panículas com fibras mais longas, o que é desejável nessa cultura.
Adaptabilidade e estabilidade de genótipos de mandioca avaliados no Oeste de Santa Catarina
Authors: Moreto Alexsander Luis , Miranda Mario , Neubert Enilto de Oliveira
Published: January 2023

Resumo: A mandioca é uma cultura capaz de adaptar-se a condições adversas de solo e clima, sendo por isso cultivada em todos os estados do Brasil. O objetivo deste trabalho foi avaliar o comportamento produtivo de clones de mandioca destinados à indústria no Oeste do estado de Santa Catarina. Os experimentos foram conduzidos durante três safras consecutivas (2010/11, 2011/12 e 2012/13) no delineamento blocos casualizados com três repetições. Os caracteres avaliados foram: produção de raízes (t/ha), teor de amido nas raízes (%) e produtividade de amido (t/ha). A magnitude da interação GxA para as três variáveis estudadas foi testada pela análise conjunta. Para as análises de adaptabilidade e estabilidade foram utilizadas as metodologias de Lin e Binns, de Yates e Cochran (ou Tradicional) e de Wricke. Dentre os genótipos avaliados destaca-se principalmente o clone 269 pelo seu bom desempenho quanto à estabilidade, adaptabilidade e produtividade.
Viabilidade econômica de estudo sanitário e ambiental da malacocultura conforme recomendações internacionais
Authors: Garbossa Luis Hamilton Pospissil , Padrão Glaucia , Rosa Marcos Vinicius Pfleger , Dorow Reney , Lapa Katt Regina
Published: January 2023

Resumo: A malacocultura é uma atividade em crescimento no Brasil, especialmente em Santa Catarina, com a maior produção de moluscos ocorrendo nas baías da Ilha de Santa Catarina. O governo brasileiro, através de recomendações e normas, estabeleceu um programa de monitoramento e controle das áreas de produção, focando a qualidade dos alimentos provenientes da malacocultura. Para que seja viabilizada a exportação da carne, o mercado internacional exige uma série de estudos que garanta a qualidade sanitária da região produtora. Nesse sentido, um estudo sanitário ambiental foi aplicado na região das Baías da Ilha de Santa Catarina (BISC), tendo por base, mas não limitado a, a exigência europeia do Centre for Environment, Fisheries & Aquaculture Science (Cefas). Este trabalho visou levantar os custos e avaliar a viabilidade econômica do desenvolvimento de estudo sanitário ambiental para apoio na definição de áreas apropriadas para o cultivo comercial de moluscos. O  custo total do estudo foi de R$ 910.968,95, e o resultado do trabalho mostra que a implementação de estudo sanitário ambiental em áreas similares às baías  Norte e Sul são economicamente viáveis.
Manejo da palhada da aveia-preta na cultura do feijão-preto em sistema plantio direto
Authors: Partica Nogara Willian Jr. , Santos Jean Francisco , de Souza Nátali Maidl , Ohse Silvana
Published: January 2023

Com o objetivo de determinar o melhor manejo da aveia-preta na cultura do feijão-preto, conduziu-se um experimento em blocos casualizados com 4 repetições, em esquema fatorial, com 3 níveis do fator época de dessecação da aveia (30, 15 e 0 dias antes da semeadura-DAS) e 3 níveis do fator manejo da palhada (rolagem transversal, longitudinale sem rolagem). A porcentagem de cobertura do solo pela aveia foi maior quando da rolagem transversal e na ausência de rolagem. O menor número de plantas daninhas por unidade de área aos 30 dias depois da semeadura (DDS) foi obtido com a dessecação no dia da semeadura. A ausência de rolagem da aveia proporcionou menor massa fresca e seca de plantas daninhas aos 30 DDS e na colheita, com reﬂexos na produtividade do feijão, tendo sido superior à utilização das rolagens transversal e longitudinal. Assim, pode-se inferir que a dessecação poder ser realizada no mesmo dia da semeadura do feijão, cv. IPR-Graúna, sem prejuízos à produtividade de grãos, bem como o custo com a rolagem da cultura antecessora, no caso a aveia-preta, é desnecessário.
Economic analysis of common snook, Centropomus undecimalis, cultured in floating cages in southern Brazil
Authors: Silva Fabiano Müller , Ronzani Cerqueira Vinicius , Lemos de Mello Giovanni
Published: January 2023

The economic viability of common snook culture was evaluated from a simulated marine farm with 20 cages of 225m³, with a production cycle of two years, fish with a final weight of 500g and annual production of 45 tons. To scale the production costs, the eﬀectve operating cost (EOC), total operating cost (TOC), total production cost (TPC) were considered.The indices for evaluating profitability were the Internal Rate of Return (IRR), the Return on Capital (RC) and the Net Present Value (NPV). The TPC was USD $305,820 year-1, with USD $6.79 kg-1. Sensitivity analysis by the variation of the feed conversionrate (FCR) reinforces the importance of good production practices, such as adequate food management, use of balanced diets. The factors: juvenile price, feed cost and sales price, more dependent on the market, require a greater ability of the producer to apply commercial and marketing strategies to contain the production cost and avoid the reduction of the sales price. The high cost of installing culture structures and management equipment suggests projects with a minimum rate of attractiveness of 23%, minimum volume of 6,500m³, productivity of 20kg m-³, annual production of 65 tons, FCR below 1.6 and marketing price above USD$8.39 kg-1.
Manejo da virose do endurecimento dos frutos do maracujazeiro-azedo em Santa Catarina
Authors: Petry Henrique Belmonte , Da Silva Diego Adílio , Bertolini Edson , Remor Moritz Daniel , Mees Alexandre , Ferreira Bonfim Júnior Mauro
Published: January 2023

O endurecimento dos frutos do maracujazeiro (EFM), causado pelo Cowpea aphid-borne mosaic virus (CABMV), é uma das doenças mais importantes da cultura. Trata-se de uma doença endêmica nas principais regiões produtoras do Brasil. A principal forma de controle do EFM é a utilização de diversas estratégias dentro do manejo integrado de doenças e exige uso de mudas sadias, com pelo menos 80cm de altura, produzidas em ambiente protegido sob telado antiafideo, cuidados nas operações de poda e desbaste, eliminação sistemática de plantas com sintomas até o início do ﬂorescimento, utilização dequebra-ventos, a realização do planto em períodos de menor incidência de afídeos no campo e a realização de cultivo anual associado à adoção de vazio sanitário.