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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Buletin Agrohorti Jurnal Hortikultura Indonesia (JHI) Jurnal Manajemen Teori dan Terapan Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Journal of Comprehensive Science Jurnal Hukum dan Keadilan Biodiversitas Journal of Biological Diversity
Endang Gunawan
Pusat Kajian Hortikultura Tropika, Lembaga Penelitian Dan Pengabdian Kepada Masyarakat, Institut Pertanian Bogor (IPB University), Jl. Raya Pajajaran, Bogor 16141, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science

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Performance Evaluation of a Modified Granulator Based on Operating Parameters for Bioherbicide Granule Production Gatot Pramuhadi; Muhamad Achmad Chozin; Endang Gunawan; Vitho Alveno; Kusuma Darma
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 2 (2026): April 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i2.554-561

Abstract

Bioherbicide granules is a new innovation in weed control produced using a granulator machine. This study aimed to evaluate the performance of a modified pan granulator prototype intended for bioherbicide granule production. Wheat flour and tapioca flour were used as starch-based substitute materials to assess the mechanical performance of the granulator. Granulation performance was evaluated by varying the pan inclination angle, pan rotational speed, and spraying duration. The experimental treatments consisted of two inclination angles (40° and 45°), two rotational speeds (15 rpm and 35 rpm), and three spraying durations (20 s, 30 s, and 40 s). The results showed that the machine produced granules with an average diameter ranging from 4.01 mm to 6.08 mm and diameter uniformity between 90.80% and 96.23%. Increasing the spraying duration enhanced inter-particle bonding, resulting in larger granule diameters, while increasing the pan rotational speed from 15 rpm to 35 rpm reduced granule size due to stronger material–scraper interactions. The most favorable granulation performance among the tested conditions was obtained at pan inclination angle of 40° and rotational speed of 35 rpm, producing average granule diameters <5 mm that in accordance with SNI 7698:2011. Higher rpm resulted in more stable granule diameter uniformity, indicating improved particle homogeneity.
Assessment of relationship among traits and genotypes for melon (Cucumis melo) breeding RAHMATUN NISFUL MAGHFIROH; WILLY BAYUARDI SUWARNO; SOBIR SOBIR; ENDANG GUNAWAN
Biodiversitas Journal of Biological Diversity Vol. 24 No. 8 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240833

Abstract

Abstract. Maghfiroh RN, Suwarno WB, Sobir, Gunawan E. 2023. Assessment of relationship among traits and genotypes for melon (Cucumis melo) breeding. Biodiversitas 24: 4523-4531. Melon (Cucumis melo L.) is widely consumed as fresh fruit or juice, and therefore deeper analyses of fruit quality are needed for future breeding purposes. Breeders have a role in providing improved melon varieties that suit consumer ideotypes or preferences. This study aimed to (i) evaluate the performance of melon genotypes, (ii) estimate the correlation between quantitative traits, and (iii) determine the clustering among genotypes based on plant and fruit traits. This research evaluated 24 genotypes from inodorus, reticulatus, and makuwa groups that were carried out from March to June 2022 at a greenhouse in the Tajur experimental station of the Center for Tropical Horticulture Studies, Bogor, Indonesia. IPB HD 2-111 and IPB HD 2-100 had good quality based on soluble solids content, fruit shape, flesh texture, and rind color, and G30 was relatively superior on flesh thickness, fruit weight, and vitamin C. Based on the multiple regression analysis, it was known that petal width, petiole length, and days to harvest were significantly affected the proportion of fruit cavity width to the fruit diameter. The adjusted coefficient of determination (R2) was 0.569. Cluster analysis grouped 23 genotypes into three main clusters based on the neighbor-joining method. These results may be useful for selection in melon breeding programs.
Co-Authors Agus Purwito Aida Vitayala Amalia Nurul Huda Anas Dinurrohman Susila Anggara, Heru Anggraeni Sukmawati Atang Sutandi Awang Maharijaya Budi Indra Setiawan Dewi, Cindy Aulia Edi Santosa Efendi, Darda Erlin Vira Novianti Gatot Pramuhadi Guntara, Deny Harti, Heri Kalsum Yulifar, Andi Sri Ummi Kusuma Darma Muhamad Achmad Chozin Nur Wahyu Sariningtias Putra, Daffa Fauzan Hanif Angkoso Putri, Shilva Alya Rahman, M. Rafly Dwi RAHMATUN NISFUL MAGHFIROH Roedhy Poerwanto Satyanto Krido Saptomo SOBIR SOBIR Suhartanto , M. Rahmad Vitho Alveno Wahyudi, Rikes Willy Bayuardi Suwarno