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All Journal Vegetalika Jurnal Lahan Suboptimal Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Martabe : Jurnal Pengabdian Kepada Masyarakat Seminar Nasional Lahan Suboptimal Society: Jurnal Pengabdian Masyarakat JRIIN :Jurnal Riset Informatika dan Inovasi
Adriansyah, Fikri
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Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media Social Sciences Other

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Journal : Jurnal Lahan Suboptimal

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Growth and yield of lettuce (Lactuca sativa L.) grown on different planting media volumes in a floating cultivation system Gustiar, Fitra; Septiani, Duwi; Agustina, Hilda; Adriansyah, Fikri; Ramadhani, Fitri
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 14 No. 1 (2025): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.14.1.2025.721

Abstract

Lettuce (Lactuca sativa L.) is one of the vegetables that is widely loved because of its taste and nutritional content. The increase in lettuce production can be increased by the use of swamp land with floating cultivation during the flood season. The size of the pots used in floating system cultivation will affect the growth and number of plants that will be produced. The study aimed to determine the optimal of planting media volume on the growth and yield of lettuce in floating cultivation system. The research used a randomized block design with 4 treatments of planting media volume, namely 1.9 L (P1), 2.7 L (P2), 3.6 L(P3), and 5 L (P4). Each treatment was repeated 4 times and each replication consisted of 5 plants. The results showed that at the beginning of the growth of the media volume of 2.7 L would be faster, but at the time of harvest almost all parameters showed that plants with a media volume of 5 L produced a larger plant weight than the plant unit. Although the use of smaller volumes of media results in a smaller plant weight, the raft is able to accommodate a larger number of pots. So that the use of a media volume of 1.9 L will be better used for floating lettuce production.
Agronomic evaluation of sub1-introgressed black rice lines under rainfed lowland conditions in South Sumatra Adriansyah, Fikri; Halimi, Entis Sutisna; Septiani, Septiani
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 15 No. 1 (2026): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36706/jlso.15.1.2026.784

Abstract

Rice (Oryza sativa L.) is a major staple crop, and black rice is increasingly valued for its nutritional and economic importance. In South Sumatra, Indonesia, rainfed lowland swamp ecosystems offer substantial potential for rice cultivation, but productivity is constrained by alternating flooding and drought stress. The introgression of the Sub1 gene provides tolerance to submergence and supports the development of adaptive black rice cultivars. This study aimed to evaluate the agronomic performance of six black rice lines carrying the Sub1 gene under rainfed lowland conditions. The experiment was conducted using a randomized complete block design with three replications. Agronomic traits, including phenology, tillering, yield components, and grain yield, were recorded and analyzed using analysis of variance, correlation, and principal component analysis (PCA). Significant differences among genotypes were observed for most agronomic traits, indicating substantial genetic variability. Regita5 and Febry1 showed superior performance, producing the highest grain yields of 3.53 and 3.37 t/ha, respectively, supported by higher numbers of productive tillers and filled grains per panicle. Correlation and PCA results revealed that grain yield was primarily influenced by tillering capacity and grain production traits, whereas 100-grain weight and phenological traits contributed weakly or negatively. These findings demonstrate that black rice lines carrying the Sub1 gene, particularly Regita5 and Febry1, possess strong agronomic potential for cultivation and as breeding materials in stress-prone swamp ecosystems, contributing to sustainable rice production under climate variability.
Co-Authors Agustina, Peni Andhika, Muhammad Arsi, Arsi Astuti Kurnianingsih Barokah, Putri Cahya, Muhardianto Cahyani, Assifa I. Darmawan, Arif Rizky Djohan, Athaya Zafirah Dona, Rama Dwisatria, Novian Entis Sutisna Halimi Fitra Gustiar, Fitra Fitri Ramadhani Habibulloh, Habibulloh Halimi, E. S. Harman Hamidson Hilda Agustina Irmawati Irmawati Izzati, Rinaldi Fahril Janos, Hevon Pheriantsih Marshanda, Marshanda Mery Hasmeda Mulyadi Mulyadi Novianto, Chabib Novitasari, Dea Nuraini, Habibah Panjaitan, Mega S. Purnomo, Azfa Naufal Rahardian, Dwinta Noval Rahmat Pratama, Rahmat Rama Doni Risna rusdan Rujito Agus Suwignyo Santa Maria Lumbantoruan, Santa Maria Saputra, Rian Saputra, Roby Sefrila, Marlin Septiani Septiani Septiani, Duwi Sevia, Rizka Suparman Suparman Susilawati, Susilawati Trianda, Gita Tricahyati, Titi Umar Harun, Umar Wahyudi, Lidya Dwi Wijaya, Rama Yakup Parto Zahrotul Jannah, Nabila Zaidan, Zaidan Zakaria, Hadi