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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian jurnal Ilmu Pertanian (Agricultural Science) Jurnal Triton Media Pertanian Jurnal Pengabdian kepada Masyarakat Politeknik Negeri Batam Prosiding Seminar Nasional Inovasi Teknologi Terapan Jurnal Inovasi Teknologi Terapan JURNAL FLOBAMORATA MENGABDI
Riski Meliya Ningsih
Politeknik Manufaktur Negeri Bangka Belitung
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Economics, Econometrics & Finance Electrical & Electronics Engineering Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Veterinary

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Characterization of Local Muhfud Avocado from West Bangka as a Germplasm Conservation Strategy in Bangka Belitung Riski Meliya Ningsih; Helda Susianti; Lesta Lesta; Alaini Lise; Amanda Saputri
Jurnal Ilmu Pertanian Vol 11, No 1 (2026): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.112741

Abstract

West Bangka Regency has significant potential from its local avocado accession, Muhfud, which has been cultivated and adapted to local agroecological conditions for decades. However, this accession has not been registered as a variety, rendering it vulnerable to genetic erosion and misappropriation. This study aimed to characterize the morphological traits of Muhfud avocado accession from West Bangka Regency as a step toward preserving local germplasm. Qualitative and quantitative morphological observations were performed on vegetative, generative, and fruit traits. The study was conducted from August to October 2025, employing purposive sampling on five trees, including the original parent tree. Characterization followed the descriptor for avocado, encompassing tree organs, leaves, flowers, fruits, and seeds. The results indicate that Muhfud accession exhibits distinctive morphological features, such as a semi-circular tree architecture, type B flowering, a clavate fruit shape with buttery-smooth, doughy texture, and fruits that are longer with thinner skin compared to other local varieties such as Muntok accession. Variations in mean values and standard deviations of quantitative morphological characters (particularly fruit weight of 358.40 ± 29.04 g, tree height of 5.90 ± 2.32 m, and stem circumference of 70.12 ± 26.67 cm for Muhfud accession) suggest strong genetic potential and adaptation to the local agroecological conditions of West Bangka Regency. These characteristics support the development of locally adapted, productive, and storage-resilient superior varieties. In conclusion, the findings contribute to germplasm conservation efforts and the advancement of local avocado breeding programs in tropical Indonesia.
RANCANGAN DESAIN PENGHAPUS TULIS OTOMATIS BERBASIS MIKROKONTROLER ARDUINO UNO Salma Anya Suhartono; Roynaldo Adytia Saputra; Yudhi Yudhi; Riski Meliya Ningsih
Prosiding Seminar Nasional Inovasi Teknologi Terapan Vol. 6 No. 1 (2026): Prosiding Seminar Nasional Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

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Abstract

Whiteboards serve as the primary instructional medium in classrooms. However the manual cleaning process often wastes time. To address this issue, an automated whiteboard eraser system for a 50x70cm board was developed using the Research and Development (R&D) method, with a system cleanliness rate reaching 95% in erasing writings on the whiteboard. The device relies on motor dynamos to drive its horizontal and vertical movement mechanisms. To restrict the erasing range while calibrating the initial position, the systems utilizes two limit switches (NO and NC). Test results indicate successful integration of all components. The device evenly sweeps the board surface within a single operational cycle and automatically returns to its initial position, making the learning process both efficient and hiegenic.Performance testing indicates that the average duration of the sweeping movement varies between 3 to 23 seconds depending on the tested cycle variation and mechanical direction.
Co-Authors ., Yudhi Abi Barokah Adhitya Vishnu Pradana Alaini Lise Ali, Hendrik Amanda Saputri Badriyah Badriyah, Badriyah Dora Palupi Endah Retno Palupi Eny Widajati Felisha, Nita Anggi Geby Geby Lesta, Lesta Limartaida Siahaan Lise, Alaini M. Fiu Muthi M. Hizbul Wathan Mahmudin Mahmudin Priestiani Priyandi, Priyandi Rindi Renanda Roynaldo Adytia Saputra Salma Anya Suhartono Saputri, Amanda Susianti, Helda Trimedya Oktama, Sudewa Yuke Mareta Ariesta Sandra Yus Dwi Yanti Zain, M Syafrizal Zanu Saputra