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All Journal Jurnal Ilmu Pertanian Indonesia Animal Agricultural Journal Widya Warta Journal of the Indonesian Tropical Animal Agriculture Jurnal Penelitian Karet BIOMA Health Notions Jurnal Penelitian Pendidikan IPA (JPPIPA) Journal of Economic, Bussines and Accounting (COSTING) BUANA SAINS AGROTEK: Jurnal Ilmiah Ilmu Pertanian Jurnal Magrobis INFOKUM Jurnal Agrotropika INVEST : Jurnal Inovasi Bisnis dan Akuntansi Journal of Artificial Intelligence and Digital Business Jurnal Higiene Sanitasi Blantika : Multidisciplinary Journal Journal of Tropical Crop Science and Technology Society Jurnal Multidisiplin Indonesia
Karno Karno
Program Studi Agribisnis Fakultas Pertanian, Universitas Majalengka
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Nursing Physics Public Health Social Sciences

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The Effect of Growing Media Composition and Indole–3–Butyric Acid Concentration on Growth and Flowering Time of Rose Cuttings Ar Rasyid, Muhaimin; Karno, Karno; Rosyida, Rosyida
Jurnal Ilmu Pertanian Indonesia Vol. 30 No. 4 (2025): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.30.4.669

Abstract

The purpose of this study is to increase the propagation success rate of Rosa centifolia L. cuttings by examining the interaction of several types of growing media with varying amounts of auxin-based plant growth regulators. A factorial Completely Randomized Design with four treatment groups and three replications. The first factor was the composition of the planting media, which was made up of four tiers of soil: soil:husk (1:1), soil:compost (1:1), and soil:manure (1:1). The second factor was the concentration of indole-3-butyric acid (IBA), which has four levels: Z1 (control), Z2 (500 ppm), Z3 (1000 ppm), and Z4 (1500 ppm). The acquired data were subjected to Analysis of Variance, which was followed by a comparison using the Least Significant Difference test to identify significant treatment effects. The results showed that the soil:compost (1:1) treatment was the most effective planting media composition in terms of shoot length, number of leaves, and flowering time. Providing auxin concentrations is not effective in increasing root growth and rose plant yield through cutting propagation. Keywords: auxin, flower appearance time, growing media, indole–3–butyric acid, rose cuttings
Pengaruh Sistem Informasi dan Partisipasi Politik terhadap Efektivitas Pemilihan Kepala Daerah Serentak selama Pandemi COVID-19 Yahya, Afif Syarifudin; Masrich, Andi; Karno, Karno
Society Vol 13 No 2 (2025): Society
Publisher : Laboratorium Rekayasa Sosial, Jurusan Sosiologi, FISIP Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/society.v13i2.940

Abstract

The COVID-19 pandemic required new approaches to organizing regional elections, highlighting the use of information systems to reduce infection risk and improve election management effectiveness. This study examines the influence of information systems and political participation on the efficacy of simultaneous regional head elections during the pandemic. A quantitative design determined a sample of 402 respondents with the Slovin formula at a 95% confidence level. Data were collected through a Likert-scale questionnaire comprising 12 indicators of information systems, 21 of political participation, and 12 of electoral effectiveness, and analyzed using Structural Equation Modeling (SEM) with LISREL. The results show that information systems exerted a positive but statistically insignificant effect on electoral effectiveness (T-value = 0.79, below the 1.96 threshold). In contrast, political participation demonstrated a significant positive impact (T-value = 6.79), underscoring its decisive role in achieving effective election outcomes under pandemic conditions. These findings emphasize the importance of citizen engagement for sustaining democratic processes during public health crises and illustrate how digital technologies can support, but not replace, active political participation.
The Effect of Selenium Biofortification on The Growth and Biochemical Responses of Two Microgreen Species Finalia, Nosa; Karno, Karno; Rosyida, Rosyida
Jurnal Ilmu Pertanian Indonesia Vol. 0 No. 00 (2025): inpress
Publisher : Institut Pertanian Bogor

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Abstract

Microgreens are a type of vegetable crop that may be grown at a young age (7−14 days) and have a high nutritional value. Microgreens from the Brassicaceae family, such as red radish and broccoli, contain a variety of antioxidants. Selenium biofortification improves microgreen quality and selenium content. The purpose of this study was to determine the influence of selenium levels and the differences between microgreen species. This study was carried out in November−December 2023 at a housing development on Kudan Street in Semarang City, Central Java. Chlorophyll and carotenoid analyses were performed at the Plant Physiology and Breeding Laboratory, Faculty of Animal and Agricultural Sciences, the Waste Treatment Laboratory at the Faculty of Engineering conducted the phenol analysis, while the Cendekia Nanotech Hutama Chemical and Biological Analysis Laboratory in Semarang City performed the antioxidant analysis. This study utilized a randomized complete block design with a factorial pattern of 5×2 and four replications. The first factor was selenium concentration, which had five levels: 0, 2, 4, 6, and 8 mg/L. The second factor was microgreen species, which consisted of two components: red radish and broccoli microgreens. The study found that treating broccoli microgreen with selenium at a concentration of 4 mg/L increased total chlorophyll content and antioxidant capability. Broccoli outperformed red radish microgreens on all metrics.
Co-Authors Abd. Rasyid Syamsuri Achmad, Mansyur Agustina, Risqi Amalia Andi Masrich Anisa Zulhimah Ar Rasyid, Muhaimin Bahrullah Akbar Benowo, Fendias Eko Bunga Oktora Ws Dida Suhada Iskandar Dwi Retno Lukiwati eka rahmawati Endang Dwi Purbajanti Fahrunsyah, Fahrunsyah Faria Ruhana Faria Ruhana Finalia, Nosa Florentina Kusmiyati Freddy Gena Gisky Andria Putra Gogo Ricky Martin Purba H. Djoko Windu P. Irawan Handayani, Nur Safira Hendrarinata, Frida Hurip Jayadi Khaerunnisa, Mahdelia Alyaa Kristanto, Budi Adi Mahardika Sembahen, Caisar Makhi, Anang Hajarul Makrufah, Aliatul Marcio J. C. Rosa Lay Marzuki Marzuki Muh. Ilham Muhammad Saleh Narayana, Ramadhan Cakra Nur Arif Setya Hendra Winata Nurweni, Susi pamungkas, wahyu widi kusuma Prameswari, Mayang Arnindika Purbajanti, Endang Putri Daulika Rahmani, Dia Ayu Rosyida, Rosyida Sadana, E. Sampara Lukman Sary, Kezia Arum Sinaga, Corry Dominika Sri Suryani Sri Suryani Suharyani Suharyani Sumarsono Sumarsono Sutarno Sutarno Suyanto, Beny Syaiful Anwar syakhril, Syakhril Widiyarso, Salsabila Mumtaz Yahya, Afif Syarifudin Yayi Sonia Anggar Kusumah