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All Journal Jurnal Pertanian Agros Kohesi: Jurnal Sains dan Teknologi
Joko Saputro
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Computer Science & IT Education Energy Engineering Other

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PENGARUH KONSENTRASI IAA DAN JUMLAH DAUN ENTRES TERHADAP PERTUMBUHAN SAMBUNG PUCUK BIBIT JAMBU AIR (Syzygium aqueum) VAR. LUMUT KAYEN Joko Saputro; Endang Dewi Murrinie; Nindya Arini
Agros Journal of Agriculture Science Vol 26, No 2 (2024): Edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i2.4726

Abstract

Lumut Kayen Variety Guava is a local variety of guava from Pati Regency with a greenish color, a fruit weight of 60-100 g, and a sweet taste. Research on the application of auxin and the number of entres leaves on the graft shoots of the Lumut Kayen variety has never been carried out, therefore a study was carried out to determine the effect of Indole Acetic Acid (IAA) concentration and the number of entres leaves on the growth of the graft of the Lumut Kayen variety guava shoots. The research was carried out in Jatimulyo Village, Wedarijaksa, Pati in June - August 2023. The research is a two-factor factorial experiment using a Complete Randomize Block Design. The first factor is the concentration of auxin, consisting of three levels, namely: 0, 100, and 200 ppm. The second factor is that the number of entres leaves consists of three levels, namely: 0, 2, and 4 leaves, so that 9 combinations of treatments are repeated three times. The results showed that IAA concentration had an effect on the time of bud appearance, but had no effect on the number of shoots and the number of leaves. The fastest budding time was obtained at IAA concentration treatment of 200 ppm, which was 8.22 days. The number of entres leaves affects the time of bud appearance, the number of buds, and the number of leaves. The number of 4-leaf entres gives the fastest budding time (7.65 days), the number of shoots, and the highest number of leaves at 8 weeks after grafting, which is 7.46 buds and 20.89 leaves respectively. There was no interaction between IAA concentration and the number of entres leaves on the growth of guava seedlings.
PERANCANGAN DAN PEMBUATAN E-LEARNING PADA MTS NURANI Clarissa Dwi Septia; Bernadus Gunawan Sudarsono; Joko Saputro
Kohesi: Jurnal Sains dan Teknologi Vol. 7 No. 6 (2025): Kohesi: Jurnal Sains dan Teknologi
Publisher : CV SWA Anugerah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.3785/kohesi.v7i6.11845

Abstract

MTS Nurani membutuhkan sistem e-learning untuk menunjang kegiatan belajar mengajar, terutama karena adanya peraturan baru dan belum tersedianya platform e-learning di sekolah tersebut. Penelitian ini bertujuan untuk merancang dan membangun sistem e-learning di MTS Nurani guna meningkatkan efektivitas proses belajar mengajar dan memberikan akses pembelajaran yang lebih luas bagi siswa. Sistem ini dikembangkan dengan mengikuti tahapan System Development Life Cycle (SDLC) yang meliputi analisis kebutuhan, desain perangkat lunak, pengembangan, pengujian, dan pemeliharaan. Pada tahap analisis kebutuhan, dilakukan identifikasi kebutuhan pengguna, baik dari sisi siswa, guru, maupun admin sekolah, untuk memastikan sistem yang dibangun sesuai dengan kebutuhan mereka. Desain perangkat lunak mencakup perancangan arsitektur, antarmuka pengguna, dan basis data yang mendukung operasional e-learning. Pengembangan dilakukan dengan menulis kode menggunakan bahasa pemrograman PHP sehingga e-learning dapat berfungsi sesuai dengan spesifikasi. Pengujian dilakukan menggunakan metode black box testing untuk memastikan bahwa semua fitur berfungsi dengan baik. Hasil pengujian menunjukkan bahwa sistem e-learning yang dibangun dapat berfungsi dengan baik. Dengan adanya sistem e-learning ini, diharapkan proses pembelajaran di MTS Nurani menjadi lebih efektif dan efisien.
Co-Authors Arini, Nindya Bernadus Gunawan Sudarsono Clarissa Dwi Septia Endang Dewi Murrinie