bluuebunny/crossref_metadata_2025 huggingface dataset:
Assessing learning strategies among Indigenous University researchers: A comparative analysis of the brief ACRA scale
Authors: Kamran Muhammad , Saleh Warda , Ameer Iqra , Aslam Sarfraz , Hamedani Sharareh Shahidi
Published: July 2024

Learning strategies have been critical due to a large body of evidence verifying their association with various outcomes such as academic success, creativity, critical thinking, life satisfaction, self-efficacy, metacognitive awareness, emotional intelligence, and student motivation. Therefore, identifying better learning strategies can benefit students and teachers. Learning strategies have been widely examined on several scales, among which the ACRA brief scale for university students is the most popular, especially in Spain. In Pakistan, validation of the ACRA scale is important so that indigenous researchers can use it according to their context and culture. The present study examined the factor structure of the ACRA brief scale using a cross-validation approach that involves an exploratory and confirmatory factor analysis in a sample of 951(M = 533, F = 417) students from Pakistani Universities. The results proposed a 17-item version with three factors: micro-strategies, keys for memory and metacognition, and emotional-social support with satisfactory psychometric properties. Furthermore, the key for memory and metacognition factors is significantly associated with the CGPA of students and is higher in women than in men; however, the effect sizes of these findings are small. The validated version of the brief ACRA scale can be used to assess the learning strategies. In addition, it is suggested that national researchers and MS and Ph.D. students can use the validated scale version in their research studies, including project papers, theses, and dissertations. Directly teaching students about the techniques and benefits of learning strategies can help them overcome their hesitation.
LA URDIMBRE DE LOS ESTUDIOS SOBRE SABERES, DISCIPLINAS Y LIBROS ESCOLARES EN AMÉRICA LATINA: LOS CASOS DE BRASIL, COLOMBIA Y MÉXICO
Authors: Martínez Moctezuma Lucía , Martins Maria do Carmo , Calderón Palacio Isabel Cristina
Published: July 2024

Este artículo presenta un balance de las investigaciones sobre libros, manuales, textos, saberes y disciplinas escolares en América Latina, específicamente en Brasil, Colombia y México. Con ocasión de la celebración de los 30 años del Congreso Iberoamericano de Historia de la Educación -CIHELA-, se plantea este artículo que se propone visibilizar los hilos de las investigaciones acerca de las temáticas centrales y los efectos en la constitución de una comunidad académica interesada en este objeto de estudio en la región. Es así como se parte del análisis de fuentes documentales derivadas de las memorias del CIHELA y de otros referentes derivados o conectados con el Congreso. Se hace una presentación de los contextos, desarrollos y descripciones particulares de cada país, para concluir en los puntos comunes, las articulaciones, las diferencias en los abordajes y rutas de cada país, así como los desafíos que se proyectan para la investigación en este campo de estudio en América Latina.
Analisis Kesulitan Siswa Dalam Menyelesaikan Soal Cerita Matematika Materi Bilangan Bulat Di Kelas VII SMPN 1 Tana Righu Setelah Daring
Authors: Ama Alfianus tamo , Lede Yulius Keremata , Making Samuel Rex
Published: July 2024

Data merupakan informasi penting dan perlu perhatian khusus menunjukan bahwa, lebih dominan siswa yang nilainya tidak tuntas sehingga ada kesulitan yang dialami siswa pada materi bilangan bulat. Data yang tertulis merupakan rekomendasi untuk mengetahui tingkat kesulitan siswa. Analisis kesulitan siswa mengunakan metode penelitian kualitatif dengan jenis deskriptif. Analisis data meliputi; Reduksi data, penyajian data, kesimpulan dan verifikasi data. Data yang dianalisis yaitu berdasarkan Indikator Yeo dan Kow (2009), Arikunto (2006) dan Suyoto dkk(2015). Penelitian terlaksana pada hari kamis, 4 Agustus 2022 sampai Sabtu, 6 Agustus 2022 di kelas VIIA SMPN 1 Tana Righu yang menjadi kelas penelitian dengan jumlah 25 siswa. Tetapi, pada pelaksanaan tes hanya  21 siswa yang mengikuti tes karena satu siswa tidak hadir. Berdasarkan hasil Analisis kesulitan siswa dalam menyelesaikan soal cerita matematika materi bilangan bulat, peneliti mencatat dan menyimpulkan hasil penelitian bahwa, kesulitan memahami masalah yang diberikan khususnya mengetahui yang diketahui dan ditanyakan mencapai 34% yaitu ada 7 siswa, kesulitan menentukan strategi penyelesaian yang tepat khusunya menentukan rumus penyelesaian matematika mencapai 38% yaitu ada 8 siswa, kesulitan membuat model matematika pada penyelesaian jawaban mencapai 24% yaitu ada 5 siswa, dan kesulitan melakukan prosedur matematika yang benar khususnya menentukan kesimpulan yang logis mencapai 4% yaitu ada 1 siswa.
Penerapan Metode Arima Dan Grey Theory Dalam Meramalkan Harga Saham Pt Indofood Sukses Makmur TBK
Authors: Sitompul Yossi Adelina , Sitepu Suryati
Published: July 2024

Saham merupakan salah satu instrumen keuangan jangka panjang yang diperdagangkan di pasar modal serta peluang investasi yang cukup dikenal di kalangan investor di Indonesia.  Pergerakan harga saham di Indonesia bersifat fluktuatif, sehingga perlu dilakukan pemodelan dan prediksi untuk mengetahui kondisi dan menyusun strategi dalam menghadapi penurunan atau pelonjakan harga saham PT. Indofood Sukses Makmur Tbk. Penelitian ini juga bertujuan untuk mengetahui metode terbaik untuk meramalkan harga saham INDF antara metode ARIMA dan Grey Theory. Data yang digunakan dalam penelitian yaitu data harga saham periode Januari 2018- Juni 2023. Peramalan harga saham menggunakan metode Grey Theory menghasilkan MAPE 13,2% sedangkan metode ARIMA dengan model terbaik adalah ARIMA (1,0,0) dengan MAPE 4,61%. Sehingga metode terbaik dalam meramalkan harga saham adalah metode ARIMA. Didapatkan hasil ramalan harga saham PT. Indofood Sukses Makmur Tbk. pada tahun 2023-2024 mengalami sedikit penurunan.
Structural Equation Modeling Partial Least Square Pada Analisis Faktor Kualitas Pelayanan Perpustakaan Berdasarkan Persepsi Mahasiswa
Authors: Siregar Ariel Saron , Rosmaini Elly
Published: July 2024

Kualitas layanan perpustakaan dipengaruhi oleh beberapa faktor, seperti kompetensi pegawai dan lingkungan perpustakaan. Masalah dalam penelitian ini adalah untuk mengetahui pengaruh dan signifikansi variabel kompetensi pegawai dan lingkungan perpustakaan terhadap kualitas pelayanan. Metode yang digunakan adalah analisis data menggunakan pendekatan Partial Least Square Structural Equation Modeling (PLS-SEM). Dari hasil penelitian, kesimpulan yang diperoleh kompetensi pegawai berpengaruh positif dan signifikan terhadap kualitas pelayanan sebesar 0,457. Lingkunngan perpustakaan berpengaruh positif dan signifikan terhadap kompetensi pegawai sebesar 0,441. Lingkunngan perpustakaan berpengaruh positif dan signifikan terhadap kualitas pelayanan sebesar 0,308. Variabel kompetensi sebesar 0,163 sehingga dikatakan model lemah, artiya 16,3% variasi kompetensi dapat dijelaskan oleh model. Nilai variabel kualitas pelayanan sebesar 0,415 sehingga dikatakan model moderat, artiya 41,5% variasi kompetensi dapat dijelaskan oleh model.
Artificial Neural Network dalam Meramalkan Kasus Covid-19 di Indonesia Menggunakan Metode Backpropagation
Authors: Pasaribu Ampudan Riki , Sawaluddin Sawaluddin , Sitorus Syahriol , Syahputra Muhammad
Published: July 2024

Kasus covid-19 sudah menjadi ancaman bagi seluruh dunia termasuk negara Indonesia. Grafik kasus penyebaran covid-19 di Indonesia semakin tidak terkendali sejak awal mula kasus pertama covid-19 di Indonesia. Prediksi kasus konfirmasi harian covid-19 sangat dibutuhkan untuk memutus rantai penyebaran covid-19 dimasa mendatang. Dalam penelitian ini, melalui pendekatan jaringan saraf tiruan menggunakan metode backpropagation dilakukan peramalan kasus konfirmasi harian covid-19 di Indonesia menggunakan data kasus harian sebelumnya dimulai sejak tanggal 02 maret 2020 hingga 18 Februari 2023. Arsitektur dan parameter terbaik dalam proses peramalan ini, diperoleh terdapat 14 neuron pada input layer, 128 neuron pada hidden layer dan 1 neuron pada output layer. Sedangkan nilai-nilai parameter terbaik selama pembelajaran model diperoleh nilai learning rate sebesar 0.001 dan fungsi aktivasi yang digunakan adalah ReLu dalam 1000 epoch pelatihan. Dalam peramalan ini akan diperoleh hasil ramalan dalam periode 14 hari kedepan dengan tingkat keakurasian yang dinilai berdasarkan nilai MAPE terkecil yaitu sebesar 1.16% dan koefisien determinasi  sebesar 98%.
THE INFLUENCE OF WORK DISCIPLINE, EMOTIONAL INTELLIGENCE, AND WORK MOTIVATION ON THE PERFORMANCE OF PAUD TEACHERS IN PAMULANG, SOUTH TANGERANG
Authors: Kultsum Ummi
Published: July 2024

The purpose of this study was to determine the effect of work discipline and emotional intelligence on the performance of PAUD teachers in Pamulang, South Tangerang. The research method used in this research is descriptive with a quantitative approach. The population amounted to 1,652 people, this study used a sampling technique with the accidental sampling method and obtained a total sample in this study of 50 respondents. Data analysis techniques using multiple linear regression.
The results showed that: There is a positive and significant influence of work discipline and emotional intelligence variables on the performance of PAUD teachers in Pamulang, South Tangerang. This is evidenced by the value of Fhitung > Ftable, namely 72.591 > 2.70 with a probability value (significance) = 0.000 which is below 0.005.
Influence of Environmental Social Governance (ESG), Profitability and Capital Structure on Firm Value
Authors: Mokhtar Widad Yuliawati , Kusumastuti Ratih , Wiralestari Wiralestari
Published: July 2024

The faster information spreads, the more important it is for companies to publicize the good and minimize problems that can harm the company's reputation and value. Environmental pollution cases and issues are the reasons why positive information is very attractive to investors. Therefore, this study aims to test (1) Does Environmental Social Governance affect firm value, (2) Does Profitability affect firm value, (3) Does Capital structure affect Firm Value and (4) Does Environmental Social Governance, profitability and Capital structure jointly affect firm value in Indonesia. In this study, the population used was industrial sector companies totaling 56 companies and those used as samples in this study were 49 companies that were consecutively listed on the Indonesia Stock Exchange for 3 years in 2020-2022. The sample of this study was determined by random sampling method. The type of research and data used is quantitative with secondary data. The analysis method used is multiple linear regression analysis and uses SPSS 26 software. The results showed that (1) Environmental Social Governance variables affect firm value, (2) Profitability variables affect firm value, (3) Capital structure affects firm value and (4) Environmental Social Governance, profitability and Capital structure together affect firm value.
Effiziente Praktik oder Gift für den freiheitlichen Rechtsstaat?
Authors: von Bernstorff Jochen , Scheinfeld Jörg
Published: July 2024

Gewaltsames Handeln der Polizei kann nach den Polizeigesetzen der Länder, wenn es verhältnismäßig ist, als „unmittelbarer Zwang“ rechtmäßig sein und vielfach ist es auch erforderlich, um polizeiliche Aufgaben zu erfüllen. Ob dies auch für polizeiliche Schmerzgriffe gegen rein passiv Protestierende vor oder während der Räumung einer Straßenblockade gilt, erscheint jedoch zweifelhaft: Handelt es sich bei extremer Schmerzzufügung gegenüber den Betroffenen überhaupt um unmittelbaren Zwang im Sinne des Polizeirechts? Und kann diese Praxis tatsächlich noch als verhältnismäßig angesehen werden?
Justice In Management, Utilization and Preservation of Local Plant Varieties
Authors: Susi Irianti Yuliana Diah Warsiki
Published: July 2024

Justice is important (urgent) in the Management, Utilization and Conservation of Local Plant Varieties and as an effort to realize the protection of the rights of local communities. Justice in question must be a basic value that must be realized through law, in this case the Plant Variety Protection Law, article 7, and Regional Regulations. Substantially, both laws and regional regulations must accommodate all stakeholders' interests and needs in the management, utilization and preservation of local plant varieties.
Effectiveness of a Counseling Program Based on Realistic Therapy in Reducing the Social Networking Site Addiction and Enhancing Social Self-efficacy Among Male Adolescents
Authors: Shtayat Mohammed , Alguzo Naela
Published: July 2024

The study aims to explore the effectiveness of realistic therapy (RT) to reduce the social networking site addiction and enhancing social self-efficacy among male adolescents. The sample of the study consisted of 30 male students in the eighth and ninth grades at a public school in Irbid Governorate, Jordan. In this study, a social networking site addiction scale, consisted of 18 items, and a social self-efficacy scale, consisted of 6 items were used. The participants were selected based on their high scores on the social networking site addiction scale and low scores on the social self-efficacy scale. They were randomly assigned into two groups: experimental group included (15) male adolescents, who received a program of (RT) consisted of (12) sessions; and a control group consisted of (15) male adolescents, who did not receive the counseling program. The post-test results showed that there were significant differences between the two groups regarding the level of social networking site addiction and social self-efficacy in favor of experimental group.
PREPARATION AND CHARACTERIZATION OF PERFLUOROETHYLSUBSTITUTED ALKYLAMMONIUM OLIGOFLUOROPHOSPHATES
Authors: Mokrushin Ivan G. , Pinegina Olga A. , Kransnovskikh Marina P. , Dmitriev Maksim V. , Markin Igor V. , Kozen Arkadij L.
Published: July 2024

Mono-, di-, triperfluoroethyl substituted fluorophosphate anions are building blocks in the molecular design of salts with onium cations, and are used to increase hydrophobicity, modify surfactant properties and electrical conductivity. The work proposes methods for the synthesis of superacid H+[PF3(C2F5)3]- by the reaction of tri(pentafluoroethyl)difluorophosphorane with a solution of hydrofluoric acid, as well as superacids H+[PF4(C2F5)2]- and H+[PF5C2F5]- by step-by-step removal of the pentafluoroethyl substituent by hydrolysis with subsequent treatment with HF solution. Ionic compounds were synthesized by metathesis of anions at 0 °C from the corresponding quaternary ammonium chloride based on the obtained superacids. The article presents NR4FAP-class ionic compounds with the tributylmethylammonium (TBMA) cation of the general formula [(C4H9)3NCH3]+[PF6-n(C2F5)n]-, where n = 1, 2, 3. The square bipyramidal structure of the three studied anions was confirmed by nuclear magnetic resonance (NMR) spectroscopy and X-ray diffraction (XRD) data. The study shows, the synthesized compounds are characterized by extremely low vapor pressure up to 300 °C, a wide range of the liquid state with a width of up to 310 K by the methods of differential scanning calorimetry (DSC) and synchronous thermal analysis (STA). Melting temperatures and enthalpies were determined. The TBMA salts belong to ionic liquids (IL's), including one type liquid at room temperature (RT-IL). The general patterns of compounds decomposition were analyzed by the analysis of evolved gases (STA-EGA); it was shown that in all cases, the decomposition of the studied ionic liquids begins with the destruction of the anion. The electrical resistance of a pure ionic liquid at room temperature was studied. The described characteristics of perfluoroethylsubstituted alkyl ammonium oligofluorophosphates open up prospects for their use as electro conducting and antistatic additives for petrochemicals, fuels and polymers.
For citation:
Mokrushin I.G., Pinegina O.A., Krasnovskikh M.P., Dmitriev M.V., Markin I.V., Kozen A.L. Preparation and characterization of perfluoroethylsubstituted alkylammonium oligofluorophosphates. ChemChemTech [Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol.]. 2024. V. 67. N 5. P. 54-61. DOI: 10.6060/ivkkt.20246705.6916.
INTERACTION OF 7,7´-DIOXO-7H, 7´ H-3, 3´ -BENZIMIDAZO[2,1-a]BENZO[de]ISOQUINOLINE-4, 4´ -DICARBOXYLIC ACID WITH SODIUM DITHIONITE IN WATER-ALKALINE SOLUTION
Authors: Polenov Yuri V. , Egorova Elena V.
Published: July 2024

Using the spectrophotometric method, the interaction of 7,7´-dioxo-7H, 7´ H-3, 3´ -benzimidazo[2,1-a]benzo[de]isoquinoline-4, 4´ -dicarboxylic acid with sodium dithionite in an aqueous-alkaline solution in aerobic and anaerobic conditions has been studied. It is found, that in the initial stage of process very rapidly formation of a tetraanion is observed due to the addition of two electrons. In the future, depending on the conditions of the reaction (aerobic, anaerobic atmosphere, small or large concentrations of the reducing agent), the tetraanion transition to the initial compound is observed due to its oxidation with air oxygen or sulfite anion formed from dithionite anions, as well as at sufficiently high concentrations of the reducing agent. A subsequent chemical stage of cyclization is possible with the cleavage of two carboxyl groups from the reduced form of the initial compound. It has also been established that the cyclization product is N,N'-di(benzimidazole)diimides of perilen-tetracarboxylic acid, which is isolated from a solution in a solid state. Its elemental composition is analyzed, IR- and electronic absorption spectra were obtained. The reversible nature of the initial stage of the interaction of 7, 7´-dioxo-7H, 7' H-3, 3´-benzimidazo[2,1-a]benzo[de]isoquinoline-4,4´-dicarboxylic acid with sodium dithionite is indicated by the fact that under aerobic conditions the concentration of the intermediate product present in the form of tetraanion decreases faster than the anaerobic atmosphere. The transition of the reduced form of the initial compound to the original, non-restored one is also observed during bubbling of air through the reaction mixture. It has been established by cyclic voltammetry that reversible reduction of the initial compound is also possible due to an electrochemical reaction occurring on a carbon-metal electrode in an aqueous-alkaline solution. The analysis of the voltage dependences showed that two electrons participate in the electrode reaction.
For citation:
Polenov Yu.V., Egorova E.V. Interaction of 7,7´-dioxo-7H, 7´ H-3, 3´ -benzimidazo[2,1-a]benzo[de]isoquinoline-4, 4´ -dicarboxylic acid with sodium dithionite in water-alkaline solution. ChemChemTech [Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol.]. 2024. V. 67. N 6. P. 80-87. DOI: 10.6060/ivkkt.20246706.7056.
BATCH COMPOSITION INFLUENCE ON SINTERING AND CRYSTALLIZATION PROCESSES OF CORDIERITE GLASSES OBTAINED BY THERMAL PLASMA MELTING
Authors: Sharafeev Sharif M. , Shekhovtsov Valentin V. , Zvyagina Elena E.
Published: July 2024

This article focuses on the production of glasses and glass-ceramic materials with a cordierite (2MgO∙2Al2O3∙5SiO2) composition. The processes of crystallization and sintering of cordierite glasses, which are based on natural raw materials, pure oxides and pre-synthesized cordierite, have been investigated. It has been determined that cordierite glasses produced via plasma melting exhibit high structural defects attributed to rapid heating and cooling rates. The relaxation of microstresses in the glasses takes place within the temperature range of 480 – 490 °C. Glasses based on synthesized cordierite exhibit a crystallization temperature of 930 – 1020 °C, depending on the presence and type of nucleating agents. This is approximately 20 – 50 °C lower compared to glasses based on component mixtures. The primary crystallization product of studied glasses at 900 °C is the high-quartz solid solution with formula MgO∙Al2O3∙3SiO2, which is dissociate above 1000 °C with the formation of cordierite. The addition of 5% ZrO2 to the batch increases the viscosity of softened glasses and their crystallization temperature, resulting in increased activity of glass powders in the sintering processes due to the higher impact of liquid-phase sintering on the general densification process of glass-ceramics. This allows for the production of glass-ceramics with open porosity of 2 – 4% at 1300 – 1350 °C. The addition of 5% TiO2 to the batch reduces the glass crystallization temperature. However it does not significantly effect on the cordierite glass-ceramics sintering processes.
For citation:
Sharafeev S.M., Shekhovtsov V.V., Zvyagina E.E. Batch composition influence on sintering and crystallization processes of cordierite glasses obtained by thermal plasma melting. ChemChemTech [Izv. Vyssh. Uchebn. Zaved. Khim. Khim. Tekhnol.]. 2024. V. 67. N 7. P. 80-87. DOI: 10.6060/ivkkt.20246707.7032.
ALTERNATIVAS PARA A SAUDABILIDADE DE SALAMES: REVISÃO DE ESCOPO
Authors: Silva Tatiana Labre
Published: July 2024

Uma visão geral da composição de salames foi realizada nesta revisão, com o objetivo de fornecer uma base de dados de referência para profissionais e pesquisadores da indústria de alimentos compreenderem abordagens para manter ou melhorar a qualidade desse produto cárneo. Dentre os fatores relacionados a composição de salames, destaque para o tipo de processamento. Outro fator relevante, foi a redução do teor de gordura, alvo para o incremento da qualidade nutricional da fração lipídica, em substituição a gordura suína. O tipo de matriz cárnea também teve evidência, seja pela valorização de diferentes grupos raciais de suínos autóctones ou pelo uso alternativo de outras fontes de matrizes cárneas. Já a adição de sais não sódicos foi alvo de estudos exclusivos ou combinados. O desenvolvimento de novas tecnologias no processamento de salames deve atender ao padrão de identidade e qualidade desse produto cárneo reestruturado. Apesar dos produtos cárneos ultraprocessados integrarem a dieta, o suprimento nutricional e a segurança alimentar, a busca por dietas saudáveis e sustentáveis emerge frente aos desafios para o desenvolvimento de sistemas integrados de produção, com crescente demanda por produtos clean-label.
PERFIL EPIDEMIOLÓGICO DA MENINGITE NO ESTADO DO PARANÁ NO PERÍODO DE 2013 A 2023
Authors: Tenconi Júlia , Castro Oliveira Mariana , Lima de Souza Isabela , Rauber Rafael
Published: July 2024

As meningites correspondem a ocorrência de um processo infeccioso e/ou inflamatório localizado nas membranas de revestimento encefálico, chamadas de meninges. Esse estudo visa analisar e quantificar o perfil epidemiológico e a ocorrência de casos de meningite no estado do Paraná no período de uma década, entre 2013 e 2023. O estudo revela a meningite viral como a mais frequente em todos os meses do ano, o que contraria a sazonalidade típica dessas infecções, comumente associada ao inverso e a meningite bacteriana associada ao verão. A análise também mostrou uma maior incidência na macrorregião leste do estado, especialmente nas regiões metropolitanas de Curitiba, Maringá e Londrina. Como esperado, a faixa etária mais atingida foi a população pediátrica da primeira década de 0 a 9 anos.
HIPERSENSIBILIDADE DENTÁRIA ASSOCIADA AO CLAREAMENTO CASEIRO USANDO PERÓXIDO DE CARBAMIDA 10%
Authors: Aguilar Anne Marcelle , Silva Alves pereira Isaura , Santos Fonseca Maria Vitória , Indiara Porto Ribeiro
Published: July 2024

A hipersensibilidade dentária é um efeito colateral comum do clareamento dental, que muitas vezes afeta a satisfação do paciente e a adesão ao tratamento. Portanto, compreender os fatores que influenciam a hipersensibilidade e a eficácia de estratégias de prevenção e tratamento é de importância clínica significativa. Para abordar essa questão, uma revisão abrangente da literatura será conduzida. Os estudos selecionados para a revisão foram examinados para identificar tendências, fatores de risco, protocolos de clareamento e estratégias para minimizar a hipersensibilidade. O objetivo do trabalho é avaliar a relação entre a concentração do agente clareador e a ocorrência de hipersensibilidade, visando a identificação de protocolos mais seguros e eficazes. Além disso, serão explorados mitos e verdades comuns associados ao clareamento dental caseiro, proporcionando um entendimento mais claro para pacientes e profissionais. A análise da literatura fornecerá informações atualizadas sobre o tema, abordando preocupações relevantes para a prática clínica em odontologia e para pacientes que buscam procedimentos de clareamento dental. Contribuirá também para a orientação informada dos pacientes, melhorar a segurança dos procedimentos de clareamento e fornecer uma base para pesquisas futuras no campo. No final, a pesquisa pode beneficiar pacientes, profissionais de odontologia e a indústria de produtos de clareamento, promovendo a compreensão e o aprimoramento do processo de clareamento dental caseiro.
Punjab Swarna: high yielding tomato variety for naturally ventilated polynet house cultivation
Authors: Jindal SK , Dhaliwal MS
Published: July 2024

Tomato (Solanum lycopersicum L) is one of the important commercial vegetable grown under protected conditions, where environment is modified to suitable conditions for optimum plant growth which leads to production of quality tomatoes suitable for exports and domestic consumption. Previously, the Punjab Agricultural University has developed and recommended two indeterminate table varieties such as ‘Punjab Gaurav’ and ‘Punjab Sartaj’ (Dhaliwal and Jindal 2018a), three cherry tomato varieties viz
Study on rural women empowerment through vegetable production
Authors: Vanitha SM , Singh HP , Singh B
Published: July 2024

Women have become an indispensable part of all the agricultural activities starting from sowing/transplantation, inter-cultivation, harvesting, grading, processing, marketing and cooking tasty vegetable dishes. They also maintain kitchen gardens for sustainable vegetable production for home consumption and thus, maintain the nutritional security of the family. Women are also engaged in small- to large-scale vegetable processing and seed production. In rural areas, women perform marketing activities in vegetables. Women immensely contribute in maintaining the country’s food and nutritional security, though theircontribution is unrecognized and underweighted. Vegetable production has shorter duration and can provide early economic returns to the farmers. Therefore, it has immense potential to be one of the best suitable, remunerative and affordable enterprises which can be taken up by farm womenpaving the way for their socio-economic empowerment. A sample of 54 women vegetable growers were selected and the analysis of the data revealed that cent per cent of the women in the sample were all illiterates and around 76% of the sample respondents were below poverty line. The average number of mandays they worked was around 22.5 per month employed for 6 months in a year. Men earned around 12% of higher wages than women. The annual average wage income earned by the women workers was Rs. 23214 and they saved around Rs. 5040 (21.7%) per year. The only focus required is to provide them access to credit needs, suitable vegetable production training programmes, low cost technologies, market access, and extension awareness services.
Kashi Bathua-2: A bathua variety for higher nutrient and yield
Authors: Singh BK , . Pragya , Chaurasia SNS , Singh B , V PM
Published: July 2024

Bathua or leafy chenopod (Chenopodium album L.) is also known as fat hen, lamb’s quarters, goose foot, pigweed, dungweed, melde, etc. Though cultivated in some regions, the plant is also a potentially serious weed in almost all winter-sown crops of the subtropics and tropics. It belongs to family Amaranthaceae, sub-family Chenopodiaceae, genus Chenopodium, and species album that has almost worldwide distribution and comprises of about 250 species (Risi and Galwey 1984).
Comparative production performance of vegetable crops in the country vis-à-vis Eastern India
Authors: Ahmad Nasim , Sinha DK , Singh KM , Mishra RR
Published: July 2024

The present study was conducted to analyze thecomparative production performance of vegetable crops in eastern India and India. In this study compound growth rates of vegetable crops and major vegetables like potato, tomato, onion, brinjal, cabbage, cauliflower, okra and pea were calculated by fitting exponential function to variables like area, production and productivity and tabular analysis was done to arrive at meaningful results. The study was based on macro framed data collected through different published secondary sources like Horticultural statistics of India and Agricultural statistics at a Glance, Ministry of Agriculture and Farmers Welfare, Government of India. The results pointed out positive growth trends in area, production and productivity of vegetable crops in the region and country during the last 16 years. Considering remarkable growth trends, vegetable crops may be taken as pathway for income enhancement of farming communities. Being good sources of healthy dietary requirements, nutritional security of the region in particular and nation in general can be addressed. Some limiting factors like pre and post harvest losses, storage facilities, lack of refrigerated vans and transportation and farmer’s friendly marketing facilities restrict arrival of the actual quantity of vegetable to theconsumers and in fetching remunerative prices of the produce. Hence, there is a need to improve pre and postharvest technologies,  provide suitable transport and marketing facilities. Appropriate policy to tackle the abrupt price fluctuations during good harvest and scarce period is also needed to protect both the producers and the consumers. Shifting Indian farming from rural setup to urban setup and linking cultivators to super markets particularly for vegetables grower will be a key drivers in improving financial conditions of the farming community of country.
Effect of transplanting dates and mulching on growth and yield of tomato (Solanum lycopersicum L.)
Authors: Tomar Saurabh , . Rajiv , Beniwal Deepa , . Sourabh
Published: July 2024

The effect of different dates of transplanting and various kinds of mulching materials was evaluated on growth attributes and yield of tomato (Solanum lycopersicum L.) under open field conditions. Different dates of transplanting and application of mulch significantly influenced the number of primary branches per plant at 30, 60 and 90 days after transplanting, number of secondary branches per plant at 60 and 90 days after transplanting, fruits per plant, fruit weight and the total fruit yield during both the years of experiments. Different dates of transplanting and application of mulch significantly influenced the plant height at all the growth stages except at 10 DAT. The maximum values of number of primary branches per plant at 30, 60 and 90 days after transplanting (8.78, 13.94 and 14.26, respectively), number of secondary branches per plant at 60 and 90 days after transplanting (9.45 and 11.65, respectively), fruits perplant (32.76), fruit weight (49.81g) and the total fruit yield(374.90 q/ha) during both the years recorded transplanting on 31st October with bio-mulch (Paddy straw), whereas the minimum values of number of primary branches per plant at 30, 60 and 90 days after transplanting, number of secondary branches per plant at 60 and 90 days after transplanting, fruits per plant, fruit weight and the total fruit yield during both the years of experiments recorded with crop transplanted on 30th November without mulch.
Genetic studies of yield and its component traits using generation mean analysis in summer squash (Cucurbita pepo subsp. pepo)
Authors: Kaur Navjot , Dhatt Ajmer Singh , Sidhu Mohinder Kaur
Published: July 2024

The present investigation involved the generation mean analysis of six generations (P1, P2, F1, F2, BC1P1 (F1 × PCK-1) and BC1P2 (F1× Lady Godiva) derived from cross of PCK- 1(hulled seed) × Lady Godiva (hull-less seed) in summer squash. The pooled analysis of variances revealed highly significant differences among the generation means of different populations for vine length (cm), leaf length (cm), days to 50% flowering, inter-nodal length (cm), peduncle length (cm), polar diameter (cm), equatorial diameter (cm), flesh thickness (cm), fruit yield per plant (kg), number of seeds per fruit and seed yield per fruit (g).The epistasis was absent for node number of 1st female flower, node number of 1st male flower, number of primary branches, leaf width (cm), days to 1st harvest, number of fruits per plant, average fruit weight (kg), fruit shape index and petiole length (cm), where leaf width, number of fruits per plant, and petiole length with highly significant additive genetic variances and partial dominance can be improved through inbreeding and selection. However, over-dominance in the inheritance of node number to first female flower, node number to first male flower, number of primary branches per vine, days to 1st harvest, average fruit weight and fruit shape index suggested use of heterosis breeding for improvement. Six parameter model unveiled the preponderance of dominance and dominant × dominant [l] gene interactions for most of the other traits with the inheritance of many dominant genes carrying small and cumulative effects. However, the opposite effects of dominance [h] and the estimates of dominant × dominant [l] interactions highlighted duplicate type of geneinteractions. Therefore, summer squash cross involving PCK-1(hulled seed) × Lady Godiva (hull-less seed) can be used as a source of dominant genes and inter-allelic gene combinations for the expression of yield and related traits that can be exploited in the form of hybrid vigour through heterosis breeding.
Effect of irrigation systems and mulching on soil temperature and fruit yield of marrow (Cucurbita pepo) in temperate Himalaya of Uttarakhand
Authors: Mishra AC
Published: July 2024

Present investigation was conducted in the vegetable research block of Veer Chandra Singh Garhwali Uttarakhand University of Horticulture and Forestry, Ranichauri, Tehri- Garhwal, Uttarakhand during summer seasons 2013 and 2014. The experiments were conducted with Bulam House F1 hybrid of marrow (Cucurbita pepo) under two irrigation systems, drip and basin and by application of three types of mulch materials viz., black polythene (100 μm), white polythene (100μm) and dried grass mulching of 10 cm thickness applied @ 10.0 t/ha alongwith plots having no mulching i.e. bared soil. The experiments were laid out in two factors RBD with five replications. Results indicated that drip irrigation was consistently superior in relation to fruit yield (694.1 q/ha) over traditional system of basin irrigation (594.5 q/ha) in squash or marrow over two years. Mulch application resulted in 44.9-47.2% increase in fruit yield over the unmulched crop. Higher and at par fruit yield was realized by application of dried grass (705.1 q/ha) and black polythene mulches (704.9 q/ha). The interaction two  treatment combinations indicated that black and white polythene mulches accompanied with drip irrigation exhibited high and at par fruit yield in marrow (C. pepo) over the years (797.6 q/ha and 788.5 q/ha, respectively) in the temperate hills of Uttarakhand Himalaya
Molecular screening of Indian garlic genotypes (Allium sativum L.) for bolting using DNA based Bltm markers
Authors: Benke Ashwini Prashant , Nair Abhilash , Krishna Ram , S. Anandhan , Mahajan Vijay , Singh Major
Published: July 2024

In the present study, we screened 32 Indian garlic (Alliumsativum) germplasm to identify bolting genotype using threemitochondrial DNA based molecular markers, P1, P2, andP3. In two different combinations P1+P2 and P1+P3. 1.4 kbamplicon was obtained with P1+P2 bolt marker in all the 32screened accessions which showed the inherent ability ofbolt with accessions and further needs to impose to intensewinter. Further, the consistency of result was confirmed withP1+P3 mitochondrial DNA based marker which producesthe amplicon of 3.7kb size, on the basis of nonsynchronizationin molecular profiling, the whole populationhas been classified in two groups, i.e. bolting and not boltingbased on presence or absence of both or one of them. Group-1 includes 22 (656, 662, 663, 664, 665, 667, 668, 669, 675, GG-1, GG-2, G-41, G-355, AC-50, AC-183, AC-316, SG-1, CG-1,Phule Baswant, Bhima Purple, Bhima Omkar, and AKG-2)accessions having the amplicons of both P1+P2 and P1+P3markers 1.4 and 3.7 kb respectively which indicates chimericgene arrangement. Group-2 consists of 10 accessionsshowing 1.4 kb amplicon with P1+P2 marker, includingbolting genotypes (one complete, G-5 and nine, G-3, 654,671, Ranibennur Local, Gadag Local, GG-4, G-282, AC-378,Godavari) hence it can be concluded that Indian garlicgenotypes do not need chimeric gene arrangement forbolting. This is the first step towards the identification ofshort day bolted garlic in India.
Effect of inorganic and organic fertilizers on growth, yield and nutrient uptake in beetroot (Beta vulgaris L.) under shade-net conditions
Authors: Kayalvizhi A , Vethamoni P Irene
Published: July 2024

An experiment was conducted to find the effect of inorganicand organic fertilizers application on growth, yield andnutrient uptake of beetroot (Beta vulgaris L.) under shadenet condition. Fertigation with water soluble fertilizers at100 % RDF along with liquid phosphobacteria andvermicompost treatment (T7) showed the best performancein almost all the parameters studied in both the crops (I andII) with the highest mean plant height (16.76, 45.50 and 43.22cm), leaf area (260.23, 1929.95 and 1101.46 cm2) and dry matterproduction (419.40, 2008.17 and 2338.62 kg ha-1) on 30, 60and 90 DAS. The highest uptake of NPK also recorded in T7treatment with the highest mean nitrogen (11.60, 61.90 and76.76 kg ha-1), phosphorus (1.36, 7.21 and 12.75 kg ha-1) andpotassium uptake (11.60, 55.30 and 69.27 kg ha-1) on 30, 60and 90 DAS. Highest yield hectare-1 was also observed inthe same treatment with the value of 37.97 and 34.52 t ha-1 incrop I and II, respectively.
Economic analysis of sweet pepper-garden pea cropping sequence as influenced by NPK and micronutrients through fertigation under polyhouse conditions
Authors: Mushtaq Nighat , Ahmed Nazeer , Hussain Khursheed , Ganai AQ
Published: July 2024

important vegetable and has attained a status of highvalue crop in India. It is used both as salad and culinarypurposes and is highly praised worldwide for its flavour,aroma and colour and is rich in vitamin A and C and hasadequate levels of essential minerals like iron, copper,zinc, manganese and selenium. It is also an excellentsource of antioxidants and anti-inflammatory,phytonutrients and carotenoids. Due to its versatile useand high nutritional value, it is cultivated in most partsof the world especially in temperate regions of Centraland South America, Europe, tropical and subtropical areasof Asia mainly in India and China. In India
Influence of pre- and post-emergence herbicides on growth and yield of garlic (Allium sativum L.)
Authors: Patil BT , Siddhu GM , Shinde KG , Handal BB
Published: July 2024

The present investigation was conducted at AICRP on vegetable crops, Department of Horticulture, Mahatma Phule Krishi Vidyapeeth, Rahuri during rabi season 2015-16. The finding revealed that, among the herbicide treatment Oxyfluorfen 23.5 EC PoE @ 0.150 kg a.i./ha + Quizalofop ethyl 5% EC PoE @ 0.050 kg a.i./ha recorded maximum growth viz., plant height, number of leaves per plant. Significantly maximum number of cloves per bulb, bulb length, bulb diameter, average weight of bulb, yield per plot and per hectare also registered by same treatment. Further, lowest weed index (5.12%) and maximum weed control efficiency (84.17%) recorded by same herbicide treatment. This indicates application of Oxyfluorfen @0.150 kg a.i.+ Quizalofop Ethyl 0.05 kg a.i./ha as post emergence herbicide is better option for controlling weed population and obtaining better yield of garlic.
Effect of exogenous application of phytohormones and fungicides on yield, quality storability and economics of garlic (Allium sativum L.)
Authors: Ram Munshi , Kumar Satesh , Chopra Sandeep , Kumar Manoj , Gupta RK
Published: July 2024

In garlic, compactness, firmness and healthy state are important quality attributes that determine market value and consumer preference. Phytohormones (cycocel and ethrel) and fungicides (carbendazim and benomyl) are known to play important role in checking post-harvest losses like physiological weight in loss (PLW), rotting, sprouting etc in long stored crops. Main aim of the study was to investigate the effects of their preharvest application on growth, yield, quality and storability of garlic cv. Agrifound Parvati. Results suggested that exogenous application of CCC at 1000 ppm applied at 90 days (bulb development stage) and 150 days (50% neck fall stage) significantly increased growth and yield related parameters in garlic. This hormone maintained higher levels of sulphur content after harvest, which proved helpful in reducing PLW of bulbs significantly during ambient storage period of 4 months. Economically, cost benefit ratio in this treatment was high, both at harvest and after storage as compared to other treatments and control. Fungicides on the other hand, had more or less similar effect on growth and yield parameters but showed significant effect on post-harvest losses of garlic as compared to control. Hence, application of CCC at critical stages of alliums can be tried for reducing postharvest losses during long periods of ambient storage.
Compatibility of integrated management (chemical x biological, and botanical x biological) strategies deployed against Athelia rolfsii, causing Sclerotium rots
Authors: Ndifon Elias Mjaika ,   Alex Ekwueme Federal University Ndufu-Alike, Crop Science Department. P. M. B. 1010 Abakaliki, Nigeria
Published: July 2024

Athelia rolfsii induces severe Sclerotium rots on 500 plantspecies, thus efficient field and post-harvest management strategies for this disease exist. A completely randomized design with three replications was used to set up two sub-trials. Sub-trial 1: Interaction of Mancozeb (all concentrations) x Trichoderma species caused 29.3-100% inhibition and all Ketoconazole x Trichoderma species caused 95.8-100% inhibition of A. rolfsii. Ketoconazole and Mancozeb (main effects) ranged between 23.3-100% inhibition of A. rolfsii. T. virens, T. harzianum, and T. viride (main effects) ranged from 60.3-96.7% inhibition of A. rolfsii. Unfortunately, Ketoconazole inhibited Trichoderma species more than Mancozeb. The chemical fungicides and Trichoderma species were highly positively correlated (0.522**, P≤0.05). Sub-trial 2: The Plant extracts (Ricinus and Eucalyptus species: 100% concentration) x Trichoderma species interactions caused 95-100% inhibition of A. rolfsii. Botanicals (50% concentration) x Trichoderma species caused above 80% inhibition of A. rolfsii. Trichoderma species (main effects) (in environs of 50% botanicals) caused 57-84% inhibition. The results revealed that at 100% concentration, plant extracts completely inhibited A. rolfsii.
Quantitative analysis of the nutrient solutions of three aquaponic systems
Authors: Krastanova Milena ,   Department of Anatomy, Physiology and Animal Sciences, Faculty of Veterinary Medicine, University of Forestry, Sofia, Bulgaria
Published: July 2024

The effects of nutrient flows on tilapia fish (Oreochromis niloticus) and plant crops in three model aquaponic systems (deep water culture system, nutrient film technique and substrate beds) placed under identical conditions were evaluated. Quantitative analysis of ammonia, nitrite, nitrate concentrations and the factors on which they depend (air and fish water temperature, air humidity, pH and dissolved oxygen) was performed. The nutrient solutions affecting the yield and quality of the produce and the efficiency of the resources used were assessed. Monitoring and good management of aquaponics are necessary and mandatory requirements to ensure optimal conditions for the symbiosis between fish, beneficial bacteria and plants.
Avaliação do cenário da balneabilidade das praias da graciosa e Luzimangues – TO
Authors: Caroline Marlow Tomm Gabriela , Gonçalves Lopes Vinicius , Castagnino Sesti Luis Fernando
Published: July 2024

Este estudo visa avaliar a qualidade microbiológica da água na praia da Graciosa e Luzimangues, no Tocantins. Preocupações ligadas à saúde pública é objeto de constantes discussões e investigações, com o objetivo de evitar enfermidades infecciosas. Durante esta pesquisa, foram analisadas 40 amostras de água totais em 4 pontos das praias, para a determinação de Coliformes Totais e Termotolerantes, pela técnica de tubos múltiplos de Durhan, e para identificação da presença de E.coli , visto que estes microrganismos são marcadores de contaminação fecal. Foi realizado o teste presuntivo no Caldo Lactosado, em seguida semeio em placas (XLD) e Coloração de Gram para classificação e confirmação das análises acima. Através dessas análises foi possível ver que 600 amostras 52,5% apresentaram positividade, destas, foi executado o teste confirmatório em meio VB bile 2% e o teste de termotolerantes em meio E.coli , em que se pode-se notar que a praia da graciosa obteve números maiores de contaminação nos pontos G3 e G4, com valores de 840 a 1.300 NMP de coliformes fecais. Já na praia de luzimangues o resultado foi diferente, pois obteve-se números baixos para coliformes fecais, com valores de 230 a 940 NMP, que estão dentro dos padrões de balneabilidade. Os resultados obtidos pela Coloração de Gram realizado através das amostras das placas de Xilose Lisina Desoxicolato (XLD) indicaram contaminação por bactérias Bacilos Gram Negativos (BGN). A partir dos resultados obtidos nas análises podemos concluir da pesquisa realizada que as praias Graciosa e Luzimangues foram classificadas como próprias para o banho, segundo a regulamentação do Conselho Nacional de Meio Ambiente., segundo a regulamentação do Conselho Nacional de Meio Ambiente.
Factors Affecting Farmer Poverty and Efforts to Overcome It In Tanjung Jabung Timur District
Authors: Muhammad Awaluddin
Published: July 2024

This study aims to analyze the effect of technology, own capital, people's business credit, training, and agricultural institutions on the income of farmers in East Tanjung Jabung Regency and analyze poverty reduction strategies for farmers in East Tanjung Jabung Regency. The analysis tools used are multiple linear regression analysis and SWOT analysis. Based on the results of multiple linear regression partially owned capital, people's business credit, training, and agricultural institutions have a significant effect on the income of food farmers in East Tanjung Jabung Regency. Meanwhile, technology does not have a significant effect on the income of food farmers in East Tanjung Jabung Regency. The results of the SWOT analysis show that the strategy used for poverty reduction in farmers in East Tanjung Jabung Regency is in quadrant I position, which is a progressive recommendation, which means a very favorable situation for farmers in East Tanjung Jabung Regency because it has opportunities and strength so that it can take advantage of existing opportunities to overcome poverty