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All Journal Agrovigor: Jurnal Agroekoteknologi Seminar Nasional Lahan Suboptimal Agro Bali: Agricultural Journal
Edi Susilo
Ratu Samban University
Agriculture, Biological Sciences & Forestry Other

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Penghambatan Perkecambahan Akibat Aplikasi Ekstrak dari Tanaman Utama dan Ratun Sorgum (Sorghum bicolor L.) yang Diproduksi di Lahan Rawa Edi Susilo; Nanik Setyowati; Uswatun Nurjannah; Riwandi Riwandi; Zainal Muktamar
Seminar Nasional Lahan Suboptimal 2021: Prosiding Seminar Nasional Lahan Suboptimal ke-9 “Sustainable Urban Farming Guna Meningkatkan
Publisher : Pusat Unggulan Riset Pengembangan Lahan Suboptimal (PUR-PLSO) Universitas Sriwijaya

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Abstract

Susilo E, Setyowati N, Nurjannah U, Riwandi, Muktamar Z. 2021. Inhibition of germination due to application of extracts from main plants and ratoon sorghum (Sorghum bicolor L.) produced in swamplands. In: Herlinda S et al. (Eds.), Prosiding Seminar Nasional Lahan Suboptimal ke-9 Tahun 2021, Palembang  20 Oktober 2021. pp. 426-434.  Palembang: Penerbit & Percetakan Universitas Sriwijaya (UNSRI).Sorghum is one of the plants that produces allelopathic chemicals with bioherbicide potential. Water extract can be used to suppress weeds around planted plants. The water extract material's source has the potential to be used as a variety of bioherbicides. The goal of the study was to see if water extract of sorghum obtained from the main plant and ratoon growing in swampland with different test plants could hinder germination. A randomized block design was adopted in this investigation. The first factor is the extract's source, which is made up of the primary plant and ratoon. The second component was the test plants, which were Numbu and Suri 3 types. Experiments on Petri dishes used the bioassay method. Each petri dish received 10 mL of aqueous extract, 25 sorghum seeds, and was cultured for five days. The main plant had the largest germination inhibition, as evidenced by normal germination (33.78%), shorter radicle length (5.55 cm), and a higher number of non-growing seeds (47.12%). Furthermore, the Suri 3 variety had the maximum germination inhibition, with normal sprouts (34.65%), radicle length (5.10 cm), sprout wet weight (0.118 g), and radicle dry weight (0.118 g) in the test plant (0.0012 g). low, and seeds did not develop any faster (43.57 percent). These data suggest that the most allelopathic chemicals are produced by sorghum extract taken from the primary plant. Furthermore, the maximum inhibition was achieved using sorghum extract from the Numbu variety in combination with the Suri 3 test plant. As a result, the primary crop has the greatest potential as a bioherbicide source.
Dampak Tinggi Muka Air dan Bedengan di Lahan Rawa Terhadap Pertumbuhan dan Hasil Sorgum Edi Susilo; Hesti Pujiwati; Wismalinda Rita
Agro Bali : Agricultural Journal Vol 6, No 1 (2023)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.434 KB) | DOI: 10.37637/ab.v6i1.1169

Abstract

Sorgum merupakan tanaman yang memiliki banyak manfaat, seperti pangan, pakan, pupuk organik, dan herbisida. Tanaman sorgum berpotensi untuk dikembangkan pada lahan suboptimal seperti lahan rawa. Cekaman air (kelebihan air) dan ketersediaan hara yang rendah pada lahan Histosols merupakan kendala budidaya sorgum yang baik. Penelitian teknologi budidaya jenuh air dengan menerapkan tinggi muka air dan tinggi bedengan pada tanaman sorgum belum dilakukan. Penelitian ini bertujuan untuk mendapatkan tinggi muka air dan tinggi bedengan yang tepat untuk pertumbuhan dan hasil tanaman sorgum di lahan rawa. Penelitian dilaksanakan pada bulan Desember 2020 sampai Maret 2021 di lahan percobaan Jurusan Budidaya Pertanian, Fakultas Pertanian, Universitas Bengkulu. Rancangan penelitian menggunakan Rancangan Acak Kelompok Lengkap (RAKL) dengan dua faktor, yaitu tinggi muka air (5 cm dan 10 cm) dan tinggi bedengan (20 cm, 25 cm, 30 cm, dan 35 cm). Hasil penelitian menunjukkan bahwa tinggi muka air 10 cm menghasilkan jumlah daun, berat biji.tanaman-1, dan berat biji.ha-1 tertinggi. Bedengan dengan ketinggian 35 cm memperoleh jumlah daun, berat biji.tanaman-1, dan berat biji.ha-1 tertinggi. Interaksi antara ketinggian air 10 cm dan tinggi bedengan 35 cm menghasilkan tertinggi pada tinggi tanaman, panjang daun, lebar daun, luas daun, diameter batang, panjang malai, dan berat malai.tanaman-1.
Profile of Allelochemical Compounds in Ratun Sorghum Leaf Extract (Sorghum bicolor L.) Based on GC-MS Analysis as a Bioherbicide Candidate Edi Susilo
Agrovigor Vol 19, No 2 (2026): In Progress
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/agrovigor.v19i2.33506

Abstract

The intensive use of synthetic herbicides has led to environmental degradation and increasing weed resistance, highlighting the need for environmentally friendly alternatives. Sorghum is widely recognized as an allelopathic plant; however, information on the allelochemical profile of sorghum ratoon leaves remains limited. This study aimed to identify and interpret the allelochemical composition of sorghum ratoon leaf extract as a candidate for natural, allelopathy-based bioherbicides. An experimental approach was applied using ratoon leaf extracts obtained through stepwise maceration with n-hexane, ethyl acetate, and ethanol. Compound identification was performed using Gas Chromatography–Mass Spectrometry (GC-MS), and data were analyzed based on chromatographic peak areas and classified according to chemical structure and biological potential. The results revealed diverse secondary metabolites with allelopathic potential, including alcohols/phenolics, fatty acids, fatty acid esters, amides, sterols, steroids, triterpenoids, and organometallic compounds. Polar compounds, particularly alcohols and phenolics, were identified as the most promising candidates for water-soluble bioherbicides due to their high solubility and rapid absorption by weed tissues. Fatty acids, esters, and amides represented the dominant phytotoxic fractions, contributing to membrane disruption, oxidative stress, and metabolic interference. In contrast, non-polar compounds such as steroids and triterpenoids were less suitable for aqueous formulations but may function as supporting metabolites. Overall, sorghum ratoon leaves represent a promising source of allelochemicals for sustainable bioherbicide development.
Co-Authors Hesti Pujiwati Nanik Setyowati Rita, Wismalinda Riwandi Riwandi Uswatun Nurjannah Zainal Muktamar